Merging r1558604 through r1559901 from trunk.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/HDFS-5698@1559904 13f79535-47bb-0310-9956-ffa450edef68

BUILDING.txt

@@ -183,11 +183,11 @@ Building on Windows
 Requirements:
 
 * Windows System
-* JDK 1.6
-* Maven 3.0
-* Windows SDK or Visual Studio 2010 Professional
-* ProtocolBuffer 2.4.1+ (for MapReduce and HDFS)
+* JDK 1.6+
+* Maven 3.0 or later
 * Findbugs 1.3.9 (if running findbugs)
+* ProtocolBuffer 2.5.0
+* Windows SDK or Visual Studio 2010 Professional
 * Unix command-line tools from GnuWin32 or Cygwin: sh, mkdir, rm, cp, tar, gzip
 * Internet connection for first build (to fetch all Maven and Hadoop dependencies)
 

hadoop-common-project/hadoop-common/CHANGES.txt

@@ -98,7 +98,8 @@ Trunk (Unreleased)
     HADOOP-8844. Add a plaintext fs -text test-case.
     (Akira AJISAKA via harsh)
 
-    HADOOP-9432 Add support for markdown .md files in site documentation (stevel)
+    HADOOP-9432 Add support for markdown .md files in site documentation 
+    (stevel)
 
     HADOOP-9186.  test-patch.sh should report build failure to JIRA.
     (Binglin Chang via Colin Patrick McCabe)
@@ -110,6 +111,8 @@ Trunk (Unreleased)
 
     HADOOP-10201. Add listing to KeyProvider API. (Larry McCay via omalley)
 
+    HADOOP-10177. Create CLI tools for managing keys. (Larry McCay via omalley)
+
   BUG FIXES
 
     HADOOP-9451. Fault single-layer config if node group topology is enabled.
@@ -117,8 +120,8 @@ Trunk (Unreleased)
 
     HADOOP-8419. Fixed GzipCode NPE reset for IBM JDK. (Yu Li via eyang)
 
-    HADOOP-8177. MBeans shouldn't try to register when it fails to create MBeanName.
-    (Devaraj K via umamahesh)
+    HADOOP-8177. MBeans shouldn't try to register when it fails to create 
+    MBeanName. (Devaraj K via umamahesh)
 
     HADOOP-8018.  Hudson auto test for HDFS has started throwing javadoc
     (Jon Eagles via bobby)
@@ -287,9 +290,6 @@ Trunk (Unreleased)
 
     HADOOP-10044 Improve the javadoc of rpc code (sanjay Radia)
 
-    HADOOP-10125. no need to process RPC request if the client connection
-    has been dropped (Ming Ma via brandonli)
-
   OPTIMIZATIONS
 
     HADOOP-7761. Improve the performance of raw comparisons. (todd)
@@ -523,6 +523,13 @@ Release 2.4.0 - UNRELEASED
     HADOOP-10236. Fix typo in o.a.h.ipc.Client#checkResponse. (Akira Ajisaka
     via suresh)
 
+    HADOOP-10146. Workaround JDK7 Process fd close bug (daryn)
+
+    HADOOP-10125. no need to process RPC request if the client connection
+    has been dropped (Ming Ma via brandonli)
+
+    HADOOP-10235. Hadoop tarball has 2 versions of stax-api JARs. (tucu)
+
 Release 2.3.0 - UNRELEASED
 
   INCOMPATIBLE CHANGES
@@ -613,6 +620,11 @@ Release 2.3.0 - UNRELEASED
 
     HADOOP-10234. "hadoop.cmd jar" does not propagate exit code. (cnauroth)
 
+    HADOOP-10240. Windows build instructions incorrectly state requirement of
+    protoc 2.4.1 instead of 2.5.0. (cnauroth)
+
+    HADOOP-10112. har file listing doesn't work with wild card. (brandonli)
+
 Release 2.2.0 - 2013-10-13
 
   INCOMPATIBLE CHANGES

hadoop-common-project/hadoop-common/src/main/bin/hadoop

@@ -104,6 +104,8 @@ case $COMMAND in
       CLASS=org.apache.hadoop.util.VersionInfo
     elif [ "$COMMAND" = "jar" ] ; then
       CLASS=org.apache.hadoop.util.RunJar
+    elif [ "$COMMAND" = "key" ] ; then
+      CLASS=org.apache.hadoop.crypto.key.KeyShell
     elif [ "$COMMAND" = "checknative" ] ; then
       CLASS=org.apache.hadoop.util.NativeLibraryChecker
     elif [ "$COMMAND" = "distcp" ] ; then

hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/crypto/key/JavaKeyStoreProvider.java

@@ -77,7 +77,7 @@ public class JavaKeyStoreProvider extends KeyProvider {
   private JavaKeyStoreProvider(URI uri, Configuration conf) throws IOException {
     this.uri = uri;
     path = unnestUri(uri);
-    fs = FileSystem.get(conf);
+    fs = path.getFileSystem(conf);
     // Get the password from the user's environment
     String pw = System.getenv(KEYSTORE_PASSWORD_NAME);
     if (pw == null) {

hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/crypto/key/KeyProvider.java

@@ -244,6 +244,17 @@ public abstract class KeyProvider {
     return new Options(conf);
   }
 
+  /**
+   * Indicates whether this provider represents a store
+   * that is intended for transient use - such as the UserProvider
+   * is. These providers are generally used to provide access to
+   * keying material rather than for long term storage.
+   * @return true if transient, false otherwise
+   */
+  public boolean isTransient() {
+    return false;
+  }
+
   /**
    * Get the key material for a specific version of the key. This method is used
    * when decrypting data.

hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/crypto/key/KeyShell.java

@@ -0,0 +1,474 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.apache.hadoop.crypto.key;
+
+import java.io.IOException;
+import java.io.PrintStream;
+import java.security.InvalidParameterException;
+import java.security.NoSuchAlgorithmException;
+import java.util.List;
+
+import javax.crypto.KeyGenerator;
+
+import org.apache.hadoop.conf.Configuration;
+import org.apache.hadoop.conf.Configured;
+import org.apache.hadoop.crypto.key.KeyProvider.Metadata;
+import org.apache.hadoop.crypto.key.KeyProvider.Options;
+import org.apache.hadoop.util.Tool;
+import org.apache.hadoop.util.ToolRunner;
+
+/**
+ * This program is the CLI utility for the KeyProvider facilities in Hadoop.
+ */
+public class KeyShell extends Configured implements Tool {
+  final static private String USAGE_PREFIX = "Usage: hadoop key " +
+  		"[generic options]\n";
+  final static private String COMMANDS =
+      "   [--help]\n" +
+      "   [" + CreateCommand.USAGE + "]\n" +
+      "   [" + RollCommand.USAGE + "]\n" +
+      "   [" + DeleteCommand.USAGE + "]\n" +
+      "   [" + ListCommand.USAGE + "]\n";
+
+  private boolean interactive = false;
+  private Command command = null;
+
+  /** allows stdout to be captured if necessary */
+  public PrintStream out = System.out;
+  /** allows stderr to be captured if necessary */
+  public PrintStream err = System.err;
+
+  private boolean userSuppliedProvider = false;
+
+  @Override
+  public int run(String[] args) throws Exception {
+    int exitCode = 0;
+    try {
+      exitCode = init(args);
+      if (exitCode != 0) {
+        return exitCode;
+      }
+      if (command.validate()) {
+          command.execute();
+      } else {
+        exitCode = -1;
+      }
+    } catch (Exception e) {
+      e.printStackTrace(err);
+      return -1;
+    }
+    return exitCode;
+  }
+
+  /**
+   * Parse the command line arguments and initialize the data
+   * <pre>
+   * % hadoop key create keyName [--size size] [--cipher algorithm]
+   *    [--provider providerPath]
+   * % hadoop key roll keyName [--provider providerPath]
+   * % hadoop key list [-provider providerPath]
+   * % hadoop key delete keyName [--provider providerPath] [-i]
+   * </pre>
+   * @param args
+   * @return
+   * @throws IOException
+   */
+  private int init(String[] args) throws IOException {
+    for (int i = 0; i < args.length; i++) { // parse command line
+      if (args[i].equals("create")) {
+        String keyName = args[++i];
+        command = new CreateCommand(keyName);
+        if (keyName.equals("--help")) {
+          printKeyShellUsage();
+          return -1;
+        }
+      } else if (args[i].equals("delete")) {
+        String keyName = args[++i];
+        command = new DeleteCommand(keyName);
+        if (keyName.equals("--help")) {
+          printKeyShellUsage();
+          return -1;
+        }
+      } else if (args[i].equals("roll")) {
+        String keyName = args[++i];
+        command = new RollCommand(keyName);
+        if (keyName.equals("--help")) {
+          printKeyShellUsage();
+          return -1;
+        }
+      } else if (args[i].equals("list")) {
+        command = new ListCommand();
+      } else if (args[i].equals("--size")) {
+        getConf().set(KeyProvider.DEFAULT_BITLENGTH_NAME, args[++i]);
+      } else if (args[i].equals("--cipher")) {
+        getConf().set(KeyProvider.DEFAULT_CIPHER_NAME, args[++i]);
+      } else if (args[i].equals("--provider")) {
+        userSuppliedProvider = true;
+        getConf().set(KeyProviderFactory.KEY_PROVIDER_PATH, args[++i]);
+      } else if (args[i].equals("-i") || (args[i].equals("--interactive"))) {
+        interactive = true;
+      } else if (args[i].equals("--help")) {
+        printKeyShellUsage();
+        return -1;
+      } else {
+        printKeyShellUsage();
+        ToolRunner.printGenericCommandUsage(System.err);
+        return -1;
+      }
+    }
+    return 0;
+  }
+
+  private void printKeyShellUsage() {
+    out.println(USAGE_PREFIX + COMMANDS);
+    if (command != null) {
+      out.println(command.getUsage());
+    }
+    else {
+      out.println("=========================================================" +
+      		"======");
+      out.println(CreateCommand.USAGE + ":\n\n" + CreateCommand.DESC);
+      out.println("=========================================================" +
+          "======");
+      out.println(RollCommand.USAGE + ":\n\n" + RollCommand.DESC);
+      out.println("=========================================================" +
+          "======");
+      out.println(DeleteCommand.USAGE + ":\n\n" + DeleteCommand.DESC);
+      out.println("=========================================================" +
+          "======");
+      out.println(ListCommand.USAGE + ":\n\n" + ListCommand.DESC);
+    }
+  }
+
+  private abstract class Command {
+    protected KeyProvider provider = null;
+
+    public boolean validate() {
+      return true;
+    }
+
+    protected KeyProvider getKeyProvider() {
+      KeyProvider provider = null;
+      List<KeyProvider> providers;
+      try {
+        providers = KeyProviderFactory.getProviders(getConf());
+        if (userSuppliedProvider) {
+          provider = providers.get(0);
+        }
+        else {
+          for (KeyProvider p : providers) {
+            if (!p.isTransient()) {
+              provider = p;
+              break;
+            }
+          }
+        }
+      } catch (IOException e) {
+        e.printStackTrace(err);
+      }
+      return provider;
+    }
+
+    protected byte[] generateKey(int size, String algorithm)
+        throws NoSuchAlgorithmException {
+      out.println("Generating key using size: " + size + " and algorithm: "
+          + algorithm);
+      KeyGenerator keyGenerator = KeyGenerator.getInstance(algorithm);
+      keyGenerator.init(size);
+      byte[] key = keyGenerator.generateKey().getEncoded();
+      return key;
+    }
+
+    protected void printProviderWritten() {
+        out.println(provider.getClass().getName() + " has been updated.");
+    }
+
+    protected void warnIfTransientProvider() {
+      if (provider.isTransient()) {
+        out.println("WARNING: you are modifying a transient provider.");
+      }
+    }
+
+    public abstract void execute() throws Exception;
+
+    public abstract String getUsage();
+  }
+
+  private class ListCommand extends Command {
+    public static final String USAGE = "list <keyname> [--provider] [--help]";
+    public static final String DESC =
+        "The list subcommand displays the keynames contained within \n" +
+        "a particular provider - as configured in core-site.xml or " +
+        "indicated\nthrough the --provider argument.";
+
+    public boolean validate() {
+      boolean rc = true;
+      provider = getKeyProvider();
+      if (provider == null) {
+        out.println("There are no non-transient KeyProviders configured.\n"
+            + "Consider using the --provider option to indicate the provider\n"
+            + "to use. If you want to list a transient provider then you\n"
+            + "you MUST use the --provider argument.");
+        rc = false;
+      }
+      return rc;
+    }
+
+    public void execute() throws IOException {
+      List<String> keys;
+      try {
+        keys = provider.getKeys();
+        out.println("Listing keys for KeyProvider: " + provider.toString());
+        for (String keyName : keys) {
+          out.println(keyName);
+        }
+      } catch (IOException e) {
+        out.println("Cannot list keys for KeyProvider: " + provider.toString()
+            + ": " + e.getMessage());
+        throw e;
+      }
+    }
+
+    @Override
+    public String getUsage() {
+      return USAGE + ":\n\n" + DESC;
+    }
+  }
+
+  private class RollCommand extends Command {
+    public static final String USAGE = "roll <keyname> [--provider] [--help]";
+    public static final String DESC =
+        "The roll subcommand creates a new version of the key specified\n" +
+        "through the <keyname> argument within the provider indicated using\n" +
+        "the --provider argument";
+
+    String keyName = null;
+
+    public RollCommand(String keyName) {
+      this.keyName = keyName;
+    }
+
+    public boolean validate() {
+      boolean rc = true;
+      provider = getKeyProvider();
+      if (provider == null) {
+        out.println("There are no valid KeyProviders configured.\n"
+            + "Key will not be rolled.\n"
+            + "Consider using the --provider option to indicate the provider"
+            + " to use.");
+        rc = false;
+      }
+      if (keyName == null) {
+        out.println("There is no keyName specified. Please provide the" +
+            "mandatory <keyname>. See the usage description with --help.");
+        rc = false;
+      }
+      return rc;
+    }
+
+    public void execute() throws NoSuchAlgorithmException, IOException {
+      try {
+        Metadata md = provider.getMetadata(keyName);
+        warnIfTransientProvider();
+        out.println("Rolling key version from KeyProvider: "
+            + provider.toString() + " for key name: " + keyName);
+        try {
+          byte[] material = null;
+          material = generateKey(md.getBitLength(), md.getAlgorithm());
+          provider.rollNewVersion(keyName, material);
+          out.println(keyName + " has been successfully rolled.");
+          provider.flush();
+          printProviderWritten();
+        } catch (NoSuchAlgorithmException e) {
+          out.println("Cannot roll key: " + keyName + " within KeyProvider: "
+              + provider.toString());
+          throw e;
+        }
+      } catch (IOException e1) {
+        out.println("Cannot roll key: " + keyName + " within KeyProvider: "
+            + provider.toString());
+        throw e1;
+      }
+    }
+
+    @Override
+    public String getUsage() {
+      return USAGE + ":\n\n" + DESC;
+    }
+  }
+
+  private class DeleteCommand extends Command {
+    public static final String USAGE = "delete <keyname> [--provider] [--help]";
+    public static final String DESC =
+        "The delete subcommand deletes all of the versions of the key\n" +
+        "specified as the <keyname> argument from within the provider\n" +
+        "indicated through the --provider argument";
+
+    String keyName = null;
+    boolean cont = true;
+
+    public DeleteCommand(String keyName) {
+      this.keyName = keyName;
+    }
+
+    @Override
+    public boolean validate() {
+      provider = getKeyProvider();
+      if (provider == null) {
+        out.println("There are no valid KeyProviders configured.\n"
+            + "Nothing will be deleted.\n"
+            + "Consider using the --provider option to indicate the provider"
+            + " to use.");
+        return false;
+      }
+      if (keyName == null) {
+        out.println("There is no keyName specified. Please provide the" +
+            "mandatory <keyname>. See the usage description with --help.");
+        return false;
+      }
+      if (interactive) {
+        try {
+          cont = ToolRunner
+              .confirmPrompt("You are about to DELETE all versions of "
+                  + "the key: " + keyName + " from KeyProvider "
+                  + provider.toString() + ". Continue?:");
+          if (!cont) {
+            out.println("Nothing has been be deleted.");
+          }
+          return cont;
+        } catch (IOException e) {
+          out.println(keyName + " will not be deleted.");
+          e.printStackTrace(err);
+        }
+      }
+      return true;
+    }
+
+    public void execute() throws IOException {
+      warnIfTransientProvider();
+      out.println("Deleting key: " + keyName + " from KeyProvider: "
+          + provider.toString());
+      if (cont) {
+        try {
+          provider.deleteKey(keyName);
+          out.println(keyName + " has been successfully deleted.");
+          provider.flush();
+          printProviderWritten();
+        } catch (IOException e) {
+          out.println(keyName + "has NOT been deleted.");
+          throw e;
+        }
+      }
+    }
+
+    @Override
+    public String getUsage() {
+      return USAGE + ":\n\n" + DESC;
+    }
+  }
+
+  private class CreateCommand extends Command {
+    public static final String USAGE = "create <keyname> [--cipher] " +
+    		"[--size] [--provider] [--help]";
+    public static final String DESC =
+        "The create subcommand creates a new key for the name specified\n" +
+        "as the <keyname> argument within the provider indicated through\n" +
+        "the --provider argument. You may also indicate the specific\n" +
+        "cipher through the --cipher argument. The default for cipher is\n" +
+        "currently \"AES/CTR/NoPadding\". The default keysize is \"256\".\n" +
+        "You may also indicate the requested key length through the --size\n" +
+        "argument.";
+
+    String keyName = null;
+
+    public CreateCommand(String keyName) {
+      this.keyName = keyName;
+    }
+
+    public boolean validate() {
+      boolean rc = true;
+      provider = getKeyProvider();
+      if (provider == null) {
+        out.println("There are no valid KeyProviders configured.\nKey" +
+        		" will not be created.\n"
+            + "Consider using the --provider option to indicate the provider" +
+            " to use.");
+        rc = false;
+      }
+      if (keyName == null) {
+        out.println("There is no keyName specified. Please provide the" +
+        		"mandatory <keyname>. See the usage description with --help.");
+        rc = false;
+      }
+      return rc;
+    }
+
+    public void execute() throws IOException, NoSuchAlgorithmException {
+      warnIfTransientProvider();
+      try {
+        Options options = KeyProvider.options(getConf());
+        String alg = getAlgorithm(options.getCipher());
+        byte[] material = generateKey(options.getBitLength(), alg);
+        provider.createKey(keyName, material, options);
+        out.println(keyName + " has been successfully created.");
+        provider.flush();
+        printProviderWritten();
+      } catch (InvalidParameterException e) {
+        out.println(keyName + " has NOT been created. " + e.getMessage());
+        throw e;
+      } catch (IOException e) {
+        out.println(keyName + " has NOT been created. " + e.getMessage());
+        throw e;
+      } catch (NoSuchAlgorithmException e) {
+        out.println(keyName + " has NOT been created. " + e.getMessage());
+        throw e;
+      }
+    }
+
+    /**
+     * Get the algorithm from the cipher.
+     * @return the algorithm name
+     */
+    public String getAlgorithm(String cipher) {
+      int slash = cipher.indexOf('/');
+      if (slash == - 1) {
+        return cipher;
+      } else {
+        return cipher.substring(0, slash);
+      }
+    }
+
+    @Override
+    public String getUsage() {
+      return USAGE + ":\n\n" + DESC;
+    }
+  }
+
+  /**
+   * Main program.
+   *
+   * @param args
+   *          Command line arguments
+   * @throws Exception
+   */
+  public static void main(String[] args) throws Exception {
+    int res = ToolRunner.run(new Configuration(), new KeyShell(), args);
+    System.exit(res);
+  }
+}

hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/crypto/key/UserProvider.java

@@ -49,6 +49,11 @@ public class UserProvider extends KeyProvider {
     credentials = user.getCredentials();
   }
 
+  @Override
+  public boolean isTransient() {
+    return true;
+  }
+
   @Override
   public KeyVersion getKeyVersion(String versionName) {
     byte[] bytes = credentials.getSecretKey(new Text(versionName));

hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/util/Shell.java

@@ -21,6 +21,7 @@ import java.io.BufferedReader;
 import java.io.File;
 import java.io.IOException;
 import java.io.InputStreamReader;
+import java.io.InputStream;
 import java.util.Arrays;
 import java.util.Map;
 import java.util.Timer;
@@ -511,7 +512,17 @@ abstract public class Shell {
       }
       // close the input stream
       try {
-        inReader.close();
+        // JDK 7 tries to automatically drain the input streams for us
+        // when the process exits, but since close is not synchronized,
+        // it creates a race if we close the stream first and the same
+        // fd is recycled.  the stream draining thread will attempt to
+        // drain that fd!!  it may block, OOM, or cause bizarre behavior
+        // see: https://bugs.openjdk.java.net/browse/JDK-8024521
+        //      issue is fixed in build 7u60
+        InputStream stdout = process.getInputStream();
+        synchronized (stdout) {
+          inReader.close();
+        }
       } catch (IOException ioe) {
         LOG.warn("Error while closing the input stream", ioe);
       }
@@ -524,7 +535,10 @@ abstract public class Shell {
         LOG.warn("Interrupted while joining errThread");
       }
       try {
-        errReader.close();
+        InputStream stderr = process.getErrorStream();
+        synchronized (stderr) {
+          errReader.close();
+        }
       } catch (IOException ioe) {
         LOG.warn("Error while closing the error stream", ioe);
       }

hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/crypto/key/TestKeyShell.java

@@ -0,0 +1,176 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.apache.hadoop.crypto.key;
+
+import static org.junit.Assert.*;
+
+import java.io.ByteArrayOutputStream;
+import java.io.File;
+import java.io.PrintStream;
+
+import org.apache.hadoop.conf.Configuration;
+import org.junit.Before;
+import org.junit.Test;
+
+public class TestKeyShell {
+  private final ByteArrayOutputStream outContent = new ByteArrayOutputStream();
+  private final ByteArrayOutputStream errContent = new ByteArrayOutputStream();
+  private static final File tmpDir =
+      new File(System.getProperty("test.build.data", "/tmp"), "key");
+  
+  @Before
+  public void setup() throws Exception {
+    System.setOut(new PrintStream(outContent));
+    System.setErr(new PrintStream(errContent));
+  }
+  
+  @Test
+  public void testKeySuccessfulKeyLifecycle() throws Exception {
+    outContent.flush();
+    String[] args1 = {"create", "key1", "--provider", 
+        "jceks://file" + tmpDir + "/keystore.jceks"};
+    int rc = 0;
+    KeyShell ks = new KeyShell();
+    ks.setConf(new Configuration());
+    rc = ks.run(args1);
+    assertEquals(0, rc);
+    assertTrue(outContent.toString().contains("key1 has been successfully " +
+    		"created."));
+
+    outContent.flush();
+    String[] args2 = {"list", "--provider", 
+        "jceks://file" + tmpDir + "/keystore.jceks"};
+    rc = ks.run(args2);
+    assertEquals(0, rc);
+    assertTrue(outContent.toString().contains("key1"));
+
+    outContent.flush();
+    String[] args3 = {"roll", "key1", "--provider", 
+        "jceks://file" + tmpDir + "/keystore.jceks"};
+    rc = ks.run(args3);
+    assertEquals(0, rc);
+    assertTrue(outContent.toString().contains("key1 has been successfully " +
+    		"rolled."));
+
+    outContent.flush();
+    String[] args4 = {"delete", "key1", "--provider", 
+        "jceks://file" + tmpDir + "/keystore.jceks"};
+    rc = ks.run(args4);
+    assertEquals(0, rc);
+    assertTrue(outContent.toString().contains("key1 has been successfully " +
+    		"deleted."));
+
+    outContent.flush();
+    String[] args5 = {"list", "--provider", 
+        "jceks://file" + tmpDir + "/keystore.jceks"};
+    rc = ks.run(args5);
+    assertEquals(0, rc);
+    assertTrue(outContent.toString().contains("key1"));
+  }
+  
+  @Test
+  public void testInvalidKeySize() throws Exception {
+    String[] args1 = {"create", "key1", "--size", "56", "--provider", 
+        "jceks://file" + tmpDir + "/keystore.jceks"};
+    
+    int rc = 0;
+    KeyShell ks = new KeyShell();
+    ks.setConf(new Configuration());
+    rc = ks.run(args1);
+    assertEquals(-1, rc);
+    assertTrue(outContent.toString().contains("key1 has NOT been created."));
+  }
+
+  @Test
+  public void testInvalidCipher() throws Exception {
+    String[] args1 = {"create", "key1", "--cipher", "LJM", "--provider", 
+        "jceks://file" + tmpDir + "/keystore.jceks"};
+    
+    int rc = 0;
+    KeyShell ks = new KeyShell();
+    ks.setConf(new Configuration());
+    rc = ks.run(args1);
+    assertEquals(-1, rc);
+    assertTrue(outContent.toString().contains("key1 has NOT been created."));
+  }
+
+  @Test
+  public void testInvalidProvider() throws Exception {
+    String[] args1 = {"create", "key1", "--cipher", "AES", "--provider", 
+      "sdff://file/tmp/keystore.jceks"};
+    
+    int rc = 0;
+    KeyShell ks = new KeyShell();
+    ks.setConf(new Configuration());
+    rc = ks.run(args1);
+    assertEquals(-1, rc);
+    assertTrue(outContent.toString().contains("There are no valid " +
+    		"KeyProviders configured."));
+  }
+
+  @Test
+  public void testTransientProviderWarning() throws Exception {
+    String[] args1 = {"create", "key1", "--cipher", "AES", "--provider", 
+      "user:///"};
+    
+    int rc = 0;
+    KeyShell ks = new KeyShell();
+    ks.setConf(new Configuration());
+    rc = ks.run(args1);
+    assertEquals(0, rc);
+    assertTrue(outContent.toString().contains("WARNING: you are modifying a " +
+    		"transient provider."));
+  }
+  
+  @Test
+  public void testTransientProviderOnlyConfig() throws Exception {
+    String[] args1 = {"create", "key1"};
+    
+    int rc = 0;
+    KeyShell ks = new KeyShell();
+    Configuration config = new Configuration();
+    config.set(KeyProviderFactory.KEY_PROVIDER_PATH, "user:///");
+    ks.setConf(config);
+    rc = ks.run(args1);
+    assertEquals(-1, rc);
+    assertTrue(outContent.toString().contains("There are no valid " +
+    		"KeyProviders configured."));
+  }
+
+  @Test
+  public void testFullCipher() throws Exception {
+    String[] args1 = {"create", "key1", "--cipher", "AES/CBC/pkcs5Padding", 
+        "--provider", "jceks://file" + tmpDir + "/keystore.jceks"};
+    
+    int rc = 0;
+    KeyShell ks = new KeyShell();
+    ks.setConf(new Configuration());
+    rc = ks.run(args1);
+    assertEquals(0, rc);
+    assertTrue(outContent.toString().contains("key1 has been successfully " +
+    		"created."));
+
+    outContent.flush();
+    String[] args2 = {"delete", "key1", "--provider", 
+        "jceks://file" + tmpDir + "/keystore.jceks"};
+    rc = ks.run(args2);
+    assertEquals(0, rc);
+    assertTrue(outContent.toString().contains("key1 has been successfully " +
+    		"deleted."));
+  }
+}

hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt

@@ -484,6 +484,9 @@ Trunk (Unreleased)
     HDFS-5775. Consolidate the code for serialization in CacheManager
     (Haohui Mai via brandonli)
 
+    HDFS-5794. Fix the inconsistency of layout version number of 
+    ADD_DATANODE_AND_STORAGE_UUIDS between trunk and branch-2. (jing9)
+
 Release 2.4.0 - UNRELEASED
 
   INCOMPATIBLE CHANGES
@@ -518,6 +521,9 @@ Release 2.4.0 - UNRELEASED
     as a collection of storages (see breakdown of tasks below for features and
     contributors).
 
+    HDFS-5784. reserve space in edit log header and fsimage header for feature
+    flag section (cmccabe)
+
   IMPROVEMENTS
 
     HDFS-5267. Remove volatile from LightWeightHashSet. (Junping Du via llu)
@@ -687,6 +693,8 @@ Release 2.4.0 - UNRELEASED
     InvalidEncryptionKeyException in fetchBlockByteRange (Liang Xie via Colin
     Patrick McCabe)
 
+    HDFS-5704. Change OP_UPDATE_BLOCKS with a new OP_ADD_BLOCK. (jing9)
+
   OPTIMIZATIONS
 
     HDFS-5239.  Allow FSNamesystem lock fairness to be configurable (daryn)
@@ -765,6 +773,11 @@ Release 2.4.0 - UNRELEASED
     HDFS-5579. Under construction files make DataNode decommission take very long
     hours. (zhaoyunjiong via jing9)
 
+    HDFS-5777. Update LayoutVersion for the new editlog op OP_ADD_BLOCK. (jing9)
+
+    HDFS-5800. Fix a typo in DFSClient.renewLease().  (Kousuke Saruta
+    via szetszwo)
+
   BREAKDOWN OF HDFS-2832 SUBTASKS AND RELATED JIRAS
 
     HDFS-4985. Add storage type to the protocol and expose it in block report
@@ -940,8 +953,6 @@ Release 2.3.0 - UNRELEASED
     HDFS-5677. Need error checking for HA cluster configuration.
     (Vincent Sheffer via cos)
 
-    HDFS-5704. Change OP_UPDATE_BLOCKS with a new OP_ADD_BLOCK. (jing9)
-
   OPTIMIZATIONS
 
   BUG FIXES

hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/DFSClient.java

@@ -770,7 +770,7 @@ public class DFSClient implements java.io.Closeable {
         final long elapsed = Time.now() - getLastLeaseRenewal();
         if (elapsed > HdfsConstants.LEASE_HARDLIMIT_PERIOD) {
           LOG.warn("Failed to renew lease for " + clientName + " for "
-              + (elapsed/1000) + " seconds (>= soft-limit ="
+              + (elapsed/1000) + " seconds (>= hard-limit ="
               + (HdfsConstants.LEASE_HARDLIMIT_PERIOD/1000) + " seconds.) "
               + "Closing all files being written ...", e);
           closeAllFilesBeingWritten(true);

hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/protocol/LayoutFlags.java

@@ -0,0 +1,64 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.apache.hadoop.hdfs.protocol;
+
+import java.io.DataInputStream;
+import java.io.DataOutputStream;
+import java.io.IOException;
+
+import org.apache.hadoop.classification.InterfaceAudience;
+
+import com.google.common.base.Joiner;
+import com.google.common.base.Preconditions;
+import com.google.common.collect.ImmutableSet;
+import com.google.common.collect.Sets;
+
+/**
+ * LayoutFlags represent features which the FSImage and edit logs can either
+ * support or not, independently of layout version.
+ * 
+ * Note: all flags starting with 'test' are reserved for unit test purposes.
+ */
+@InterfaceAudience.Private
+public class LayoutFlags {
+  /**
+   * Load a LayoutFlags object from a stream.
+   *
+   * @param in            The stream to read from.
+   * @throws IOException
+   */
+  public static LayoutFlags read(DataInputStream in)
+      throws IOException {
+    int length = in.readInt();
+    if (length < 0) {
+      throw new IOException("The length of the feature flag section " +
+          "was negative at " + length + " bytes.");
+    } else if (length > 0) {
+      throw new IOException("Found feature flags which we can't handle. " +
+          "Please upgrade your software.");
+    }
+    return new LayoutFlags();
+  }
+
+  private LayoutFlags() {
+  }
+
+  public static void write(DataOutputStream out) throws IOException {
+    out.writeInt(0);
+  }
+}

hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/protocol/LayoutVersion.java

@@ -107,12 +107,14 @@ public class LayoutVersion {
         "block IDs in the edits log and image files"),
     EDITLOG_SUPPORT_RETRYCACHE(-47, "Record ClientId and CallId in editlog to " 
         + "enable rebuilding retry cache in case of HA failover"),
-    CACHING(-48, "Support for cache pools and path-based caching"),
+    EDITLOG_ADD_BLOCK(-48, "Add new editlog that only records allocation of "
+        + "the new block instead of the entire block list"),
     ADD_DATANODE_AND_STORAGE_UUIDS(-49, "Replace StorageID with DatanodeUuid."
         + " Use distinct StorageUuid per storage directory."),
-    PROTOBUF_FORMAT(-50, "Use protobuf to serialize FSImage");
+    ADD_LAYOUT_FLAGS(-50, "Add support for layout flags."),
+    CACHING(-51, "Support for cache pools and path-based caching"),
+    PROTOBUF_FORMAT(-52, "Use protobuf to serialize FSImage");
 
-    
     final int lv;
     final int ancestorLV;
     final String description;

hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/EditLogFileInputStream.java

@@ -34,6 +34,9 @@ import org.apache.commons.logging.LogFactory;
 import org.apache.hadoop.classification.InterfaceAudience;
 import org.apache.hadoop.hdfs.DFSConfigKeys;
 import org.apache.hadoop.hdfs.protocol.HdfsConstants;
+import org.apache.hadoop.hdfs.protocol.LayoutFlags;
+import org.apache.hadoop.hdfs.protocol.LayoutVersion;
+import org.apache.hadoop.hdfs.protocol.LayoutVersion.Feature;
 import org.apache.hadoop.hdfs.server.common.Storage;
 import org.apache.hadoop.hdfs.server.namenode.TransferFsImage.HttpGetFailedException;
 import org.apache.hadoop.hdfs.web.URLConnectionFactory;
@@ -146,6 +149,14 @@ public class EditLogFileInputStream extends EditLogInputStream {
       } catch (EOFException eofe) {
         throw new LogHeaderCorruptException("No header found in log");
       }
+      if (LayoutVersion.supports(Feature.ADD_LAYOUT_FLAGS, logVersion)) {
+        try {
+          LayoutFlags.read(dataIn);
+        } catch (EOFException eofe) {
+          throw new LogHeaderCorruptException("EOF while reading layout " +
+              "flags from log");
+        }
+      }
       reader = new FSEditLogOp.Reader(dataIn, tracker, logVersion);
       reader.setMaxOpSize(maxOpSize);
       state = State.OPEN;

hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/EditLogFileOutputStream.java

@@ -32,6 +32,7 @@ import org.apache.hadoop.classification.InterfaceAudience;
 import org.apache.hadoop.conf.Configuration;
 import org.apache.hadoop.hdfs.DFSConfigKeys;
 import org.apache.hadoop.hdfs.protocol.HdfsConstants;
+import org.apache.hadoop.hdfs.protocol.LayoutFlags;
 import org.apache.hadoop.io.IOUtils;
 
 import com.google.common.annotations.VisibleForTesting;
@@ -132,6 +133,7 @@ public class EditLogFileOutputStream extends EditLogOutputStream {
   @VisibleForTesting
   public static void writeHeader(DataOutputStream out) throws IOException {
     out.writeInt(HdfsConstants.LAYOUT_VERSION);
+    LayoutFlags.write(out);
   }
 
   @Override

hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/FSEditLogOpCodes.java

@@ -60,13 +60,13 @@ public enum FSEditLogOpCodes {
   OP_DISALLOW_SNAPSHOT          ((byte) 30),
   OP_SET_GENSTAMP_V2            ((byte) 31),
   OP_ALLOCATE_BLOCK_ID          ((byte) 32),
-  OP_ADD_CACHE_DIRECTIVE       ((byte) 33),
-  OP_REMOVE_CACHE_DIRECTIVE    ((byte) 34),
-  OP_ADD_CACHE_POOL                       ((byte) 35),
-  OP_MODIFY_CACHE_POOL                    ((byte) 36),
-  OP_REMOVE_CACHE_POOL                    ((byte) 37),
-  OP_MODIFY_CACHE_DIRECTIVE     ((byte) 38),
-  OP_ADD_BLOCK                  ((byte) 39),
+  OP_ADD_BLOCK                  ((byte) 33),
+  OP_ADD_CACHE_DIRECTIVE       ((byte) 34),
+  OP_REMOVE_CACHE_DIRECTIVE    ((byte) 35),
+  OP_ADD_CACHE_POOL                       ((byte) 36),
+  OP_MODIFY_CACHE_POOL                    ((byte) 37),
+  OP_REMOVE_CACHE_POOL                    ((byte) 38),
+  OP_MODIFY_CACHE_DIRECTIVE     ((byte) 39),
 
   // Note that fromByte(..) depends on OP_INVALID being at the last position.  
   OP_INVALID                    ((byte) -1);

hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/FSImageFormat.java

@@ -48,6 +48,7 @@ import org.apache.hadoop.fs.permission.PermissionStatus;
 import org.apache.hadoop.hdfs.protocol.HdfsConstants;
 import org.apache.hadoop.hdfs.protocol.LayoutVersion;
 import org.apache.hadoop.hdfs.protocol.LayoutVersion.Feature;
+import org.apache.hadoop.hdfs.protocol.LayoutFlags;
 import org.apache.hadoop.hdfs.server.blockmanagement.BlockInfo;
 import org.apache.hadoop.hdfs.server.blockmanagement.BlockInfoUnderConstruction;
 import org.apache.hadoop.hdfs.server.blockmanagement.BlockManager;
@@ -324,6 +325,9 @@ public class FSImageFormat {
         }
         boolean supportSnapshot = LayoutVersion.supports(Feature.SNAPSHOT,
             imgVersion);
+        if (LayoutVersion.supports(Feature.ADD_LAYOUT_FLAGS, imgVersion)) {
+          LayoutFlags.read(in);
+        }
 
         // read namespaceID: first appeared in version -2
         in.readInt();
@@ -1053,6 +1057,7 @@ public class FSImageFormat {
       DataOutputStream out = new DataOutputStream(fos);
       try {
         out.writeInt(HdfsConstants.LAYOUT_VERSION);
+        LayoutFlags.write(out);
         // We use the non-locked version of getNamespaceInfo here since
         // the coordinating thread of saveNamespace already has read-locked
         // the namespace for us. If we attempt to take another readlock

hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/tools/offlineImageViewer/ImageLoaderCurrent.java

@@ -28,6 +28,7 @@ import java.util.Map;
 import org.apache.hadoop.conf.Configuration;
 import org.apache.hadoop.fs.permission.FsPermission;
 import org.apache.hadoop.hdfs.protocol.DatanodeInfo.AdminStates;
+import org.apache.hadoop.hdfs.protocol.LayoutFlags;
 import org.apache.hadoop.hdfs.protocol.LayoutVersion;
 import org.apache.hadoop.hdfs.protocol.LayoutVersion.Feature;
 import org.apache.hadoop.hdfs.security.token.delegation.DelegationTokenIdentifier;
@@ -126,7 +127,7 @@ class ImageLoaderCurrent implements ImageLoader {
                                       new SimpleDateFormat("yyyy-MM-dd HH:mm");
   private static int[] versions = { -16, -17, -18, -19, -20, -21, -22, -23,
       -24, -25, -26, -27, -28, -30, -31, -32, -33, -34, -35, -36, -37, -38, -39,
-      -40, -41, -42, -43, -44, -45, -46, -47, -48, -49, -50 };
+      -40, -41, -42, -43, -44, -45, -46, -47, -48, -49, -50, -51, -52 };
   private int imageVersion = 0;
   
   private final Map<Long, Boolean> subtreeMap = new HashMap<Long, Boolean>();
@@ -157,6 +158,9 @@ class ImageLoaderCurrent implements ImageLoader {
       imageVersion = in.readInt();
       if( !canLoadVersion(imageVersion))
         throw new IOException("Cannot process fslayout version " + imageVersion);
+      if (LayoutVersion.supports(Feature.ADD_LAYOUT_FLAGS, imageVersion)) {
+        LayoutFlags.read(in);
+      }
 
       v.visit(ImageElement.IMAGE_VERSION, imageVersion);
       v.visit(ImageElement.NAMESPACE_ID, in.readInt());

hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/qjournal/server/TestJournalNode.java

@@ -191,6 +191,7 @@ public class TestJournalNode {
         "/getJournal?segmentTxId=1&jid=" + journalId));
     byte[] expected = Bytes.concat(
             Ints.toByteArray(HdfsConstants.LAYOUT_VERSION),
+            (new byte[] { 0, 0, 0, 0 }), // layout flags section
             EDITS_DATA);
 
     assertArrayEquals(expected, retrievedViaHttp);

hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/TestFSEditLogLoader.java

@@ -377,8 +377,9 @@ public class TestFSEditLogLoader {
     File testDir = new File(TEST_DIR, "testValidateEmptyEditLog");
     SortedMap<Long, Long> offsetToTxId = Maps.newTreeMap();
     File logFile = prepareUnfinalizedTestEditLog(testDir, 0, offsetToTxId);
-    // Truncate the file so that there is nothing except the header
-    truncateFile(logFile, 4);
+    // Truncate the file so that there is nothing except the header and
+    // layout flags section.
+    truncateFile(logFile, 8);
     EditLogValidation validation =
         EditLogFileInputStream.validateEditLog(logFile);
     assertTrue(!validation.hasCorruptHeader());

hadoop-hdfs-project/hadoop-hdfs/src/test/resources/editsStored.xml

@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <EDITS>
-  <EDITS_VERSION>-49</EDITS_VERSION>
+  <EDITS_VERSION>-51</EDITS_VERSION>
   <RECORD>
     <OPCODE>OP_START_LOG_SEGMENT</OPCODE>
     <DATA>
@@ -13,8 +13,8 @@
       <TXID>2</TXID>
       <DELEGATION_KEY>
         <KEY_ID>1</KEY_ID>
-        <EXPIRY_DATE>1389736494300</EXPIRY_DATE>
-        <KEY>d1a0861e6b9e394e</KEY>
+        <EXPIRY_DATE>1390519460949</EXPIRY_DATE>
+        <KEY>dc8d30edc97df67d</KEY>
       </DELEGATION_KEY>
     </DATA>
   </RECORD>
@@ -24,8 +24,8 @@
       <TXID>3</TXID>
       <DELEGATION_KEY>
         <KEY_ID>2</KEY_ID>
-        <EXPIRY_DATE>1389736494302</EXPIRY_DATE>
-        <KEY>8239b8f0ed7e6ce6</KEY>
+        <EXPIRY_DATE>1390519460952</EXPIRY_DATE>
+        <KEY>096bc20b6debed03</KEY>
       </DELEGATION_KEY>
     </DATA>
   </RECORD>
@@ -37,18 +37,18 @@
       <INODEID>16386</INODEID>
       <PATH>/file_create</PATH>
       <REPLICATION>1</REPLICATION>
-      <MTIME>1389045295288</MTIME>
-      <ATIME>1389045295288</ATIME>
+      <MTIME>1389828264873</MTIME>
+      <ATIME>1389828264873</ATIME>
       <BLOCKSIZE>512</BLOCKSIZE>
-      <CLIENT_NAME>DFSClient_NONMAPREDUCE_-216163116_1</CLIENT_NAME>
+      <CLIENT_NAME>DFSClient_NONMAPREDUCE_16108824_1</CLIENT_NAME>
       <CLIENT_MACHINE>127.0.0.1</CLIENT_MACHINE>
       <PERMISSION_STATUS>
         <USERNAME>jing</USERNAME>
         <GROUPNAME>supergroup</GROUPNAME>
         <MODE>420</MODE>
       </PERMISSION_STATUS>
-      <RPC_CLIENTID>48c96601-9238-4d1f-b78b-ef0f1e922ba2</RPC_CLIENTID>
-      <RPC_CALLID>7</RPC_CALLID>
+      <RPC_CLIENTID>b5928e80-e373-4807-a688-f94483d08ce5</RPC_CLIENTID>
+      <RPC_CALLID>9</RPC_CALLID>
     </DATA>
   </RECORD>
   <RECORD>
@@ -59,8 +59,8 @@
       <INODEID>0</INODEID>
       <PATH>/file_create</PATH>
       <REPLICATION>1</REPLICATION>
-      <MTIME>1389045295307</MTIME>
-      <ATIME>1389045295288</ATIME>
+      <MTIME>1389828265699</MTIME>
+      <ATIME>1389828264873</ATIME>
       <BLOCKSIZE>512</BLOCKSIZE>
       <CLIENT_NAME></CLIENT_NAME>
       <CLIENT_MACHINE></CLIENT_MACHINE>
@@ -78,9 +78,9 @@
       <LENGTH>0</LENGTH>
       <SRC>/file_create</SRC>
       <DST>/file_moved</DST>
-      <TIMESTAMP>1389045295311</TIMESTAMP>
-      <RPC_CLIENTID>48c96601-9238-4d1f-b78b-ef0f1e922ba2</RPC_CLIENTID>
-      <RPC_CALLID>9</RPC_CALLID>
+      <TIMESTAMP>1389828265705</TIMESTAMP>
+      <RPC_CLIENTID>b5928e80-e373-4807-a688-f94483d08ce5</RPC_CLIENTID>
+      <RPC_CALLID>11</RPC_CALLID>
     </DATA>
   </RECORD>
   <RECORD>
@@ -89,9 +89,9 @@
       <TXID>7</TXID>
       <LENGTH>0</LENGTH>
       <PATH>/file_moved</PATH>
-      <TIMESTAMP>1389045295318</TIMESTAMP>
-      <RPC_CLIENTID>48c96601-9238-4d1f-b78b-ef0f1e922ba2</RPC_CLIENTID>
-      <RPC_CALLID>10</RPC_CALLID>
+      <TIMESTAMP>1389828265712</TIMESTAMP>
+      <RPC_CLIENTID>b5928e80-e373-4807-a688-f94483d08ce5</RPC_CLIENTID>
+      <RPC_CALLID>12</RPC_CALLID>
     </DATA>
   </RECORD>
   <RECORD>
@@ -101,7 +101,7 @@
       <LENGTH>0</LENGTH>
       <INODEID>16387</INODEID>
       <PATH>/directory_mkdir</PATH>
-      <TIMESTAMP>1389045295326</TIMESTAMP>
+      <TIMESTAMP>1389828265722</TIMESTAMP>
       <PERMISSION_STATUS>
         <USERNAME>jing</USERNAME>
         <GROUPNAME>supergroup</GROUPNAME>
@@ -136,8 +136,8 @@
       <TXID>12</TXID>
       <SNAPSHOTROOT>/directory_mkdir</SNAPSHOTROOT>
       <SNAPSHOTNAME>snapshot1</SNAPSHOTNAME>
-      <RPC_CLIENTID>48c96601-9238-4d1f-b78b-ef0f1e922ba2</RPC_CLIENTID>
-      <RPC_CALLID>15</RPC_CALLID>
+      <RPC_CLIENTID>b5928e80-e373-4807-a688-f94483d08ce5</RPC_CLIENTID>
+      <RPC_CALLID>17</RPC_CALLID>
     </DATA>
   </RECORD>
   <RECORD>
@@ -147,8 +147,8 @@
       <SNAPSHOTROOT>/directory_mkdir</SNAPSHOTROOT>
       <SNAPSHOTOLDNAME>snapshot1</SNAPSHOTOLDNAME>
       <SNAPSHOTNEWNAME>snapshot2</SNAPSHOTNEWNAME>
-      <RPC_CLIENTID>48c96601-9238-4d1f-b78b-ef0f1e922ba2</RPC_CLIENTID>
-      <RPC_CALLID>16</RPC_CALLID>
+      <RPC_CLIENTID>b5928e80-e373-4807-a688-f94483d08ce5</RPC_CLIENTID>
+      <RPC_CALLID>18</RPC_CALLID>
     </DATA>
   </RECORD>
   <RECORD>
@@ -157,8 +157,8 @@
       <TXID>14</TXID>
       <SNAPSHOTROOT>/directory_mkdir</SNAPSHOTROOT>
       <SNAPSHOTNAME>snapshot2</SNAPSHOTNAME>
-      <RPC_CLIENTID>48c96601-9238-4d1f-b78b-ef0f1e922ba2</RPC_CLIENTID>
-      <RPC_CALLID>17</RPC_CALLID>
+      <RPC_CLIENTID>b5928e80-e373-4807-a688-f94483d08ce5</RPC_CLIENTID>
+      <RPC_CALLID>19</RPC_CALLID>
     </DATA>
   </RECORD>
   <RECORD>
@@ -169,18 +169,18 @@
       <INODEID>16388</INODEID>
       <PATH>/file_create</PATH>
       <REPLICATION>1</REPLICATION>
-      <MTIME>1389045295354</MTIME>
-      <ATIME>1389045295354</ATIME>
+      <MTIME>1389828265757</MTIME>
+      <ATIME>1389828265757</ATIME>
       <BLOCKSIZE>512</BLOCKSIZE>
-      <CLIENT_NAME>DFSClient_NONMAPREDUCE_-216163116_1</CLIENT_NAME>
+      <CLIENT_NAME>DFSClient_NONMAPREDUCE_16108824_1</CLIENT_NAME>
       <CLIENT_MACHINE>127.0.0.1</CLIENT_MACHINE>
       <PERMISSION_STATUS>
         <USERNAME>jing</USERNAME>
         <GROUPNAME>supergroup</GROUPNAME>
         <MODE>420</MODE>
       </PERMISSION_STATUS>
-      <RPC_CLIENTID>48c96601-9238-4d1f-b78b-ef0f1e922ba2</RPC_CLIENTID>
-      <RPC_CALLID>18</RPC_CALLID>
+      <RPC_CLIENTID>b5928e80-e373-4807-a688-f94483d08ce5</RPC_CLIENTID>
+      <RPC_CALLID>20</RPC_CALLID>
     </DATA>
   </RECORD>
   <RECORD>
@@ -191,8 +191,8 @@
       <INODEID>0</INODEID>
       <PATH>/file_create</PATH>
       <REPLICATION>1</REPLICATION>
-      <MTIME>1389045295357</MTIME>
-      <ATIME>1389045295354</ATIME>
+      <MTIME>1389828265759</MTIME>
+      <ATIME>1389828265757</ATIME>
       <BLOCKSIZE>512</BLOCKSIZE>
       <CLIENT_NAME></CLIENT_NAME>
       <CLIENT_MACHINE></CLIENT_MACHINE>
@@ -253,10 +253,10 @@
       <LENGTH>0</LENGTH>
       <SRC>/file_create</SRC>
       <DST>/file_moved</DST>
-      <TIMESTAMP>1389045295378</TIMESTAMP>
+      <TIMESTAMP>1389828265782</TIMESTAMP>
       <OPTIONS>NONE</OPTIONS>
-      <RPC_CLIENTID>48c96601-9238-4d1f-b78b-ef0f1e922ba2</RPC_CLIENTID>
-      <RPC_CALLID>25</RPC_CALLID>
+      <RPC_CLIENTID>b5928e80-e373-4807-a688-f94483d08ce5</RPC_CLIENTID>
+      <RPC_CALLID>27</RPC_CALLID>
     </DATA>
   </RECORD>
   <RECORD>
@@ -267,18 +267,18 @@
       <INODEID>16389</INODEID>
       <PATH>/file_concat_target</PATH>
       <REPLICATION>1</REPLICATION>
-      <MTIME>1389045295383</MTIME>
-      <ATIME>1389045295383</ATIME>
+      <MTIME>1389828265787</MTIME>
+      <ATIME>1389828265787</ATIME>
       <BLOCKSIZE>512</BLOCKSIZE>
-      <CLIENT_NAME>DFSClient_NONMAPREDUCE_-216163116_1</CLIENT_NAME>
+      <CLIENT_NAME>DFSClient_NONMAPREDUCE_16108824_1</CLIENT_NAME>
       <CLIENT_MACHINE>127.0.0.1</CLIENT_MACHINE>
       <PERMISSION_STATUS>
         <USERNAME>jing</USERNAME>
         <GROUPNAME>supergroup</GROUPNAME>
         <MODE>420</MODE>
       </PERMISSION_STATUS>
-      <RPC_CLIENTID>48c96601-9238-4d1f-b78b-ef0f1e922ba2</RPC_CLIENTID>
-      <RPC_CALLID>27</RPC_CALLID>
+      <RPC_CLIENTID>b5928e80-e373-4807-a688-f94483d08ce5</RPC_CLIENTID>
+      <RPC_CALLID>29</RPC_CALLID>
     </DATA>
   </RECORD>
   <RECORD>
@@ -383,8 +383,8 @@
       <INODEID>0</INODEID>
       <PATH>/file_concat_target</PATH>
       <REPLICATION>1</REPLICATION>
-      <MTIME>1389045295484</MTIME>
-      <ATIME>1389045295383</ATIME>
+      <MTIME>1389828266540</MTIME>
+      <ATIME>1389828265787</ATIME>
       <BLOCKSIZE>512</BLOCKSIZE>
       <CLIENT_NAME></CLIENT_NAME>
       <CLIENT_MACHINE></CLIENT_MACHINE>
@@ -418,18 +418,18 @@
       <INODEID>16390</INODEID>
       <PATH>/file_concat_0</PATH>
       <REPLICATION>1</REPLICATION>
-      <MTIME>1389045295486</MTIME>
-      <ATIME>1389045295486</ATIME>
+      <MTIME>1389828266544</MTIME>
+      <ATIME>1389828266544</ATIME>
       <BLOCKSIZE>512</BLOCKSIZE>
-      <CLIENT_NAME>DFSClient_NONMAPREDUCE_-216163116_1</CLIENT_NAME>
+      <CLIENT_NAME>DFSClient_NONMAPREDUCE_16108824_1</CLIENT_NAME>
       <CLIENT_MACHINE>127.0.0.1</CLIENT_MACHINE>
       <PERMISSION_STATUS>
         <USERNAME>jing</USERNAME>
         <GROUPNAME>supergroup</GROUPNAME>
         <MODE>420</MODE>
       </PERMISSION_STATUS>
-      <RPC_CLIENTID>48c96601-9238-4d1f-b78b-ef0f1e922ba2</RPC_CLIENTID>
-      <RPC_CALLID>40</RPC_CALLID>
+      <RPC_CLIENTID>b5928e80-e373-4807-a688-f94483d08ce5</RPC_CLIENTID>
+      <RPC_CALLID>41</RPC_CALLID>
     </DATA>
   </RECORD>
   <RECORD>
@@ -534,8 +534,8 @@
       <INODEID>0</INODEID>
       <PATH>/file_concat_0</PATH>
       <REPLICATION>1</REPLICATION>
-      <MTIME>1389045295507</MTIME>
-      <ATIME>1389045295486</ATIME>
+      <MTIME>1389828266569</MTIME>
+      <ATIME>1389828266544</ATIME>
       <BLOCKSIZE>512</BLOCKSIZE>
       <CLIENT_NAME></CLIENT_NAME>
       <CLIENT_MACHINE></CLIENT_MACHINE>
@@ -569,18 +569,18 @@
       <INODEID>16391</INODEID>
       <PATH>/file_concat_1</PATH>
       <REPLICATION>1</REPLICATION>
-      <MTIME>1389045295509</MTIME>
-      <ATIME>1389045295509</ATIME>
+      <MTIME>1389828266572</MTIME>
+      <ATIME>1389828266572</ATIME>
       <BLOCKSIZE>512</BLOCKSIZE>
-      <CLIENT_NAME>DFSClient_NONMAPREDUCE_-216163116_1</CLIENT_NAME>
+      <CLIENT_NAME>DFSClient_NONMAPREDUCE_16108824_1</CLIENT_NAME>
       <CLIENT_MACHINE>127.0.0.1</CLIENT_MACHINE>
       <PERMISSION_STATUS>
         <USERNAME>jing</USERNAME>
         <GROUPNAME>supergroup</GROUPNAME>
         <MODE>420</MODE>
       </PERMISSION_STATUS>
-      <RPC_CLIENTID>48c96601-9238-4d1f-b78b-ef0f1e922ba2</RPC_CLIENTID>
-      <RPC_CALLID>52</RPC_CALLID>
+      <RPC_CLIENTID>b5928e80-e373-4807-a688-f94483d08ce5</RPC_CLIENTID>
+      <RPC_CALLID>53</RPC_CALLID>
     </DATA>
   </RECORD>
   <RECORD>
@@ -685,8 +685,8 @@
       <INODEID>0</INODEID>
       <PATH>/file_concat_1</PATH>
       <REPLICATION>1</REPLICATION>
-      <MTIME>1389045295532</MTIME>
-      <ATIME>1389045295509</ATIME>
+      <MTIME>1389828266599</MTIME>
+      <ATIME>1389828266572</ATIME>
       <BLOCKSIZE>512</BLOCKSIZE>
       <CLIENT_NAME></CLIENT_NAME>
       <CLIENT_MACHINE></CLIENT_MACHINE>
@@ -718,13 +718,13 @@
       <TXID>56</TXID>
       <LENGTH>0</LENGTH>
       <TRG>/file_concat_target</TRG>
-      <TIMESTAMP>1389045295535</TIMESTAMP>
+      <TIMESTAMP>1389828266603</TIMESTAMP>
       <SOURCES>
         <SOURCE1>/file_concat_0</SOURCE1>
         <SOURCE2>/file_concat_1</SOURCE2>
       </SOURCES>
-      <RPC_CLIENTID>48c96601-9238-4d1f-b78b-ef0f1e922ba2</RPC_CLIENTID>
-      <RPC_CALLID>63</RPC_CALLID>
+      <RPC_CLIENTID>b5928e80-e373-4807-a688-f94483d08ce5</RPC_CLIENTID>
+      <RPC_CALLID>64</RPC_CALLID>
     </DATA>
   </RECORD>
   <RECORD>
@@ -735,15 +735,15 @@
       <INODEID>16392</INODEID>
       <PATH>/file_symlink</PATH>
       <VALUE>/file_concat_target</VALUE>
-      <MTIME>1389045295540</MTIME>
-      <ATIME>1389045295540</ATIME>
+      <MTIME>1389828266633</MTIME>
+      <ATIME>1389828266633</ATIME>
       <PERMISSION_STATUS>
         <USERNAME>jing</USERNAME>
         <GROUPNAME>supergroup</GROUPNAME>
         <MODE>511</MODE>
       </PERMISSION_STATUS>
-      <RPC_CLIENTID>48c96601-9238-4d1f-b78b-ef0f1e922ba2</RPC_CLIENTID>
-      <RPC_CALLID>64</RPC_CALLID>
+      <RPC_CLIENTID>b5928e80-e373-4807-a688-f94483d08ce5</RPC_CLIENTID>
+      <RPC_CALLID>66</RPC_CALLID>
     </DATA>
   </RECORD>
   <RECORD>
@@ -754,18 +754,18 @@
       <INODEID>16393</INODEID>
       <PATH>/hard-lease-recovery-test</PATH>
       <REPLICATION>1</REPLICATION>
-      <MTIME>1389045295543</MTIME>
-      <ATIME>1389045295543</ATIME>
+      <MTIME>1389828266637</MTIME>
+      <ATIME>1389828266637</ATIME>
       <BLOCKSIZE>512</BLOCKSIZE>
-      <CLIENT_NAME>DFSClient_NONMAPREDUCE_-216163116_1</CLIENT_NAME>
+      <CLIENT_NAME>DFSClient_NONMAPREDUCE_16108824_1</CLIENT_NAME>
       <CLIENT_MACHINE>127.0.0.1</CLIENT_MACHINE>
       <PERMISSION_STATUS>
         <USERNAME>jing</USERNAME>
         <GROUPNAME>supergroup</GROUPNAME>
         <MODE>420</MODE>
       </PERMISSION_STATUS>
-      <RPC_CLIENTID>48c96601-9238-4d1f-b78b-ef0f1e922ba2</RPC_CLIENTID>
-      <RPC_CALLID>65</RPC_CALLID>
+      <RPC_CLIENTID>b5928e80-e373-4807-a688-f94483d08ce5</RPC_CLIENTID>
+      <RPC_CALLID>67</RPC_CALLID>
     </DATA>
   </RECORD>
   <RECORD>
@@ -821,7 +821,7 @@
     <OPCODE>OP_REASSIGN_LEASE</OPCODE>
     <DATA>
       <TXID>64</TXID>
-      <LEASEHOLDER>DFSClient_NONMAPREDUCE_-216163116_1</LEASEHOLDER>
+      <LEASEHOLDER>DFSClient_NONMAPREDUCE_16108824_1</LEASEHOLDER>
       <PATH>/hard-lease-recovery-test</PATH>
       <NEWHOLDER>HDFS_NameNode</NEWHOLDER>
     </DATA>
@@ -834,8 +834,8 @@
       <INODEID>0</INODEID>
       <PATH>/hard-lease-recovery-test</PATH>
       <REPLICATION>1</REPLICATION>
-      <MTIME>1389045298180</MTIME>
-      <ATIME>1389045295543</ATIME>
+      <MTIME>1389828269751</MTIME>
+      <ATIME>1389828266637</ATIME>
       <BLOCKSIZE>512</BLOCKSIZE>
       <CLIENT_NAME></CLIENT_NAME>
       <CLIENT_MACHINE></CLIENT_MACHINE>
@@ -861,8 +861,8 @@
       <MODE>493</MODE>
       <LIMIT>9223372036854775807</LIMIT>
       <MAXRELATIVEEXPIRY>2305843009213693951</MAXRELATIVEEXPIRY>
-      <RPC_CLIENTID>48c96601-9238-4d1f-b78b-ef0f1e922ba2</RPC_CLIENTID>
-      <RPC_CALLID>72</RPC_CALLID>
+      <RPC_CLIENTID>b5928e80-e373-4807-a688-f94483d08ce5</RPC_CLIENTID>
+      <RPC_CALLID>74</RPC_CALLID>
     </DATA>
   </RECORD>
   <RECORD>
@@ -871,8 +871,8 @@
       <TXID>67</TXID>
       <POOLNAME>pool1</POOLNAME>
       <LIMIT>99</LIMIT>
-      <RPC_CLIENTID>48c96601-9238-4d1f-b78b-ef0f1e922ba2</RPC_CLIENTID>
-      <RPC_CALLID>73</RPC_CALLID>
+      <RPC_CLIENTID>b5928e80-e373-4807-a688-f94483d08ce5</RPC_CLIENTID>
+      <RPC_CALLID>75</RPC_CALLID>
     </DATA>
   </RECORD>
   <RECORD>
@@ -883,9 +883,9 @@
       <PATH>/path</PATH>
       <REPLICATION>1</REPLICATION>
       <POOL>pool1</POOL>
-      <EXPIRATION>2305844398258992525</EXPIRATION>
-      <RPC_CLIENTID>48c96601-9238-4d1f-b78b-ef0f1e922ba2</RPC_CLIENTID>
-      <RPC_CALLID>74</RPC_CALLID>
+      <EXPIRATION>2305844399041964876</EXPIRATION>
+      <RPC_CLIENTID>b5928e80-e373-4807-a688-f94483d08ce5</RPC_CLIENTID>
+      <RPC_CALLID>76</RPC_CALLID>
     </DATA>
   </RECORD>
   <RECORD>
@@ -894,8 +894,8 @@
       <TXID>69</TXID>
       <ID>1</ID>
       <REPLICATION>2</REPLICATION>
-      <RPC_CLIENTID>48c96601-9238-4d1f-b78b-ef0f1e922ba2</RPC_CLIENTID>
-      <RPC_CALLID>75</RPC_CALLID>
+      <RPC_CLIENTID>b5928e80-e373-4807-a688-f94483d08ce5</RPC_CLIENTID>
+      <RPC_CALLID>77</RPC_CALLID>
     </DATA>
   </RECORD>
   <RECORD>
@@ -903,8 +903,8 @@
     <DATA>
       <TXID>70</TXID>
       <ID>1</ID>
-      <RPC_CLIENTID>48c96601-9238-4d1f-b78b-ef0f1e922ba2</RPC_CLIENTID>
-      <RPC_CALLID>76</RPC_CALLID>
+      <RPC_CLIENTID>b5928e80-e373-4807-a688-f94483d08ce5</RPC_CLIENTID>
+      <RPC_CALLID>78</RPC_CALLID>
     </DATA>
   </RECORD>
   <RECORD>
@@ -912,8 +912,8 @@
     <DATA>
       <TXID>71</TXID>
       <POOLNAME>pool1</POOLNAME>
-      <RPC_CLIENTID>48c96601-9238-4d1f-b78b-ef0f1e922ba2</RPC_CLIENTID>
-      <RPC_CALLID>77</RPC_CALLID>
+      <RPC_CLIENTID>b5928e80-e373-4807-a688-f94483d08ce5</RPC_CLIENTID>
+      <RPC_CALLID>79</RPC_CALLID>
     </DATA>
   </RECORD>
   <RECORD>

hadoop-mapreduce-project/CHANGES.txt

@@ -146,6 +146,8 @@ Trunk (Unreleased)
     MAPREDUCE-5191. TestQueue#testQueue fails with timeout on Windows. (Ivan
     Mitic via hitesh)
 
+    MAPREDUCE-5717. Task pings are interpreted as task progress (jlowe)
+
 Release 2.4.0 - UNRELEASED
 
   INCOMPATIBLE CHANGES
@@ -198,6 +200,12 @@ Release 2.4.0 - UNRELEASED
 
     MAPREDUCE-3310. Custom grouping comparator cannot be set for Combiners (tucu)
 
+    MAPREDUCE-5672. Provide optional RollingFileAppender for container log4j
+    (syslog) (Gera Shegalov via jlowe)
+
+    MAPREDUCE-5725. Make explicit that TestNetworkedJob relies on the Capacity
+    Scheduler (Sandy Ryza)
+
   OPTIMIZATIONS
 
     MAPREDUCE-5484. YarnChild unnecessarily loads job conf twice (Sandy Ryza)
@@ -272,6 +280,11 @@ Release 2.4.0 - UNRELEASED
     MAPREDUCE-5689. MRAppMaster does not preempt reducers when scheduled maps 
     cannot be fulfilled. (lohit via kasha)
 
+    MAPREDUCE-5724. JobHistoryServer does not start if HDFS is not running. 
+    (tucu)
+
+    MAPREDUCE-5729. mapred job -list throws NPE (kasha)
+
 Release 2.3.0 - UNRELEASED
 
   INCOMPATIBLE CHANGES
@@ -328,6 +341,9 @@ Release 2.3.0 - UNRELEASED
     MAPREDUCE-5674. Missing start and finish time in mapred.JobStatus.
     (Chuan Liu via cnauroth)
 
+    MAPREDUCE-5650. Job fails when hprof mapreduce.task.profile.map/reduce.params
+    is specified (Gera Shegalov via Sandy Ryza)
+
 Release 2.2.0 - 2013-10-13
 
   INCOMPATIBLE CHANGES

hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-app/src/main/java/org/apache/hadoop/mapred/MapReduceChildJVM.java

@@ -149,8 +149,10 @@ public class MapReduceChildJVM {
   private static void setupLog4jProperties(Task task,
       Vector<String> vargs,
       long logSize) {
-    String logLevel = getChildLogLevel(task.conf, task.isMapTask()); 
-    MRApps.addLog4jSystemProperties(logLevel, logSize, vargs);
+    String logLevel = getChildLogLevel(task.conf, task.isMapTask());
+    int numBackups = task.conf.getInt(MRJobConfig.TASK_LOG_BACKUPS,
+        MRJobConfig.DEFAULT_TASK_LOG_BACKUPS);
+    MRApps.addLog4jSystemProperties(logLevel, logSize, numBackups, vargs);
   }
 
   public static List<String> getVMCommand(
@@ -210,19 +212,11 @@ public class MapReduceChildJVM {
     if (conf.getProfileEnabled()) {
       if (conf.getProfileTaskRange(task.isMapTask()
                                    ).isIncluded(task.getPartition())) {
-        vargs.add(
-            String.format(
-                conf.getProfileParams(), 
-                getTaskLogFile(TaskLog.LogName.PROFILE)
-                )
-            );
-        if (task.isMapTask()) {
-          vargs.add(conf.get(MRJobConfig.TASK_MAP_PROFILE_PARAMS, ""));
-        }
-        else {
-          vargs.add(conf.get(MRJobConfig.TASK_REDUCE_PROFILE_PARAMS, ""));
-        }
-        
+        final String profileParams = conf.get(task.isMapTask()
+            ? MRJobConfig.TASK_MAP_PROFILE_PARAMS
+            : MRJobConfig.TASK_REDUCE_PROFILE_PARAMS, conf.getProfileParams());
+        vargs.add(String.format(profileParams,
+            getTaskLogFile(TaskLog.LogName.PROFILE)));
       }
     }
 

hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-app/src/main/java/org/apache/hadoop/mapred/TaskAttemptListenerImpl.java

@@ -361,7 +361,6 @@ public class TaskAttemptListenerImpl extends CompositeService
     if (taskStatus == null) {
       //We are using statusUpdate only as a simple ping
       LOG.info("Ping from " + taskAttemptID.toString());
-      taskHeartbeatHandler.progressing(yarnAttemptID);
       return feedback;
     }
 

hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-app/src/test/java/org/apache/hadoop/mapred/TestTaskAttemptListenerImpl.java

@@ -381,4 +381,50 @@ public class TestTaskAttemptListenerImpl {
 
   }
 
+  @SuppressWarnings("rawtypes")
+  @Test
+  public void testStatusUpdateProgress()
+      throws IOException, InterruptedException {
+    AppContext appCtx = mock(AppContext.class);
+    JobTokenSecretManager secret = mock(JobTokenSecretManager.class);
+    RMHeartbeatHandler rmHeartbeatHandler =
+        mock(RMHeartbeatHandler.class);
+    TaskHeartbeatHandler hbHandler = mock(TaskHeartbeatHandler.class);
+    Dispatcher dispatcher = mock(Dispatcher.class);
+    EventHandler ea = mock(EventHandler.class);
+    when(dispatcher.getEventHandler()).thenReturn(ea);
+
+    when(appCtx.getEventHandler()).thenReturn(ea);
+    CheckpointAMPreemptionPolicy policy = new CheckpointAMPreemptionPolicy();
+    policy.init(appCtx);
+    MockTaskAttemptListenerImpl listener =
+      new MockTaskAttemptListenerImpl(appCtx, secret,
+          rmHeartbeatHandler, hbHandler, policy);
+    Configuration conf = new Configuration();
+    listener.init(conf);
+    listener.start();
+    JVMId id = new JVMId("foo",1, true, 1);
+    WrappedJvmID wid = new WrappedJvmID(id.getJobId(), id.isMap, id.getId());
+
+    TaskAttemptID attemptID = new TaskAttemptID("1", 1, TaskType.MAP, 1, 1);
+    TaskAttemptId attemptId = TypeConverter.toYarn(attemptID);
+    Task task = mock(Task.class);
+    listener.registerPendingTask(task, wid);
+    listener.registerLaunchedTask(attemptId, wid);
+    verify(hbHandler).register(attemptId);
+
+    // make sure a ping doesn't report progress
+    AMFeedback feedback = listener.statusUpdate(attemptID, null);
+    assertTrue(feedback.getTaskFound());
+    verify(hbHandler, never()).progressing(eq(attemptId));
+
+    // make sure a status update does report progress
+    MapTaskStatus mockStatus = new MapTaskStatus(attemptID, 0.0f, 1,
+        TaskStatus.State.RUNNING, "", "RUNNING", "", TaskStatus.Phase.MAP,
+        new Counters());
+    feedback = listener.statusUpdate(attemptID, mockStatus);
+    assertTrue(feedback.getTaskFound());
+    verify(hbHandler).progressing(eq(attemptId));
+    listener.close();
+  }
 }

hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-common/src/main/java/org/apache/hadoop/mapreduce/TypeConverter.java

@@ -43,6 +43,7 @@ import org.apache.hadoop.mapreduce.v2.api.records.TaskType;
 import org.apache.hadoop.mapreduce.v2.util.MRApps;
 import org.apache.hadoop.yarn.api.records.ApplicationId;
 import org.apache.hadoop.yarn.api.records.ApplicationReport;
+import org.apache.hadoop.yarn.api.records.ApplicationResourceUsageReport;
 import org.apache.hadoop.yarn.api.records.FinalApplicationStatus;
 import org.apache.hadoop.yarn.api.records.NodeReport;
 import org.apache.hadoop.yarn.api.records.QueueACL;
@@ -445,11 +446,18 @@ public class TypeConverter {
     jobStatus.setStartTime(application.getStartTime());
     jobStatus.setFinishTime(application.getFinishTime());
     jobStatus.setFailureInfo(application.getDiagnostics());
-    jobStatus.setNeededMem(application.getApplicationResourceUsageReport().getNeededResources().getMemory());
-    jobStatus.setNumReservedSlots(application.getApplicationResourceUsageReport().getNumReservedContainers());
-    jobStatus.setNumUsedSlots(application.getApplicationResourceUsageReport().getNumUsedContainers());
-    jobStatus.setReservedMem(application.getApplicationResourceUsageReport().getReservedResources().getMemory());
-    jobStatus.setUsedMem(application.getApplicationResourceUsageReport().getUsedResources().getMemory());
+    ApplicationResourceUsageReport resourceUsageReport =
+        application.getApplicationResourceUsageReport();
+    if (resourceUsageReport != null) {
+      jobStatus.setNeededMem(
+          resourceUsageReport.getNeededResources().getMemory());
+      jobStatus.setNumReservedSlots(
+          resourceUsageReport.getNumReservedContainers());
+      jobStatus.setNumUsedSlots(resourceUsageReport.getNumUsedContainers());
+      jobStatus.setReservedMem(
+          resourceUsageReport.getReservedResources().getMemory());
+      jobStatus.setUsedMem(resourceUsageReport.getUsedResources().getMemory());
+    }
     return jobStatus;
   }
 

hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-common/src/main/java/org/apache/hadoop/mapreduce/v2/jobhistory/JHAdminConfig.java

@@ -77,6 +77,13 @@ public class JHAdminConfig {
   public static final String MR_HISTORY_DONE_DIR =
     MR_HISTORY_PREFIX + "done-dir";
 
+  /**
+   * Maximum time the History server will wait for the FileSystem for History
+   * files to become available. Default value is -1, forever.
+   */
+  public static final String MR_HISTORY_MAX_START_WAIT_TIME =
+      MR_HISTORY_PREFIX + "maximum-start-wait-time-millis";
+  public static final long DEFAULT_MR_HISTORY_MAX_START_WAIT_TIME = -1;
   /**
    *  Path where history files should be stored after a job finished and before
    *  they are pulled into the job history server.

hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-common/src/main/java/org/apache/hadoop/mapreduce/v2/util/MRApps.java

@@ -61,6 +61,7 @@ import org.apache.hadoop.yarn.exceptions.YarnRuntimeException;
 import org.apache.hadoop.yarn.util.ApplicationClassLoader;
 import org.apache.hadoop.yarn.util.Apps;
 import org.apache.hadoop.yarn.util.ConverterUtils;
+import org.apache.log4j.RollingFileAppender;
 
 /**
  * Helper class for MR applications
@@ -476,16 +477,24 @@ public class MRApps extends Apps {
    * Add the JVM system properties necessary to configure {@link ContainerLogAppender}.
    * @param logLevel the desired log level (eg INFO/WARN/DEBUG)
    * @param logSize See {@link ContainerLogAppender#setTotalLogFileSize(long)}
+   * @param numBackups See {@link RollingFileAppender#setMaxBackupIndex(int)}
    * @param vargs the argument list to append to
    */
   public static void addLog4jSystemProperties(
-      String logLevel, long logSize, List<String> vargs) {
+      String logLevel, long logSize, int numBackups, List<String> vargs) {
     vargs.add("-Dlog4j.configuration=container-log4j.properties");
     vargs.add("-D" + YarnConfiguration.YARN_APP_CONTAINER_LOG_DIR + "=" +
         ApplicationConstants.LOG_DIR_EXPANSION_VAR);
     vargs.add(
         "-D" + YarnConfiguration.YARN_APP_CONTAINER_LOG_SIZE + "=" + logSize);
-    vargs.add("-Dhadoop.root.logger=" + logLevel + ",CLA"); 
+    if (logSize > 0L && numBackups > 0) {
+      // log should be rolled
+      vargs.add("-D" + YarnConfiguration.YARN_APP_CONTAINER_LOG_BACKUPS + "="
+          + numBackups);
+      vargs.add("-Dhadoop.root.logger=" + logLevel + ",CRLA");
+    } else {
+      vargs.add("-Dhadoop.root.logger=" + logLevel + ",CLA");
+    }
   }
 
   /**

hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-common/src/test/java/org/apache/hadoop/mapreduce/TestTypeConverter.java

@@ -23,8 +23,6 @@ import static org.mockito.Mockito.when;
 import java.util.ArrayList;
 import java.util.List;
 
-import junit.framework.Assert;
-
 import org.apache.hadoop.conf.Configuration;
 import org.apache.hadoop.mapreduce.JobStatus.State;
 import org.apache.hadoop.mapreduce.v2.api.records.JobId;
@@ -40,6 +38,7 @@ import org.apache.hadoop.yarn.api.records.QueueState;
 import org.apache.hadoop.yarn.api.records.Resource;
 import org.apache.hadoop.yarn.api.records.YarnApplicationState;
 import org.apache.hadoop.yarn.util.Records;
+import org.junit.Assert;
 import org.junit.Test;
 import org.mockito.Mockito;
 
@@ -112,6 +111,14 @@ public class TestTypeConverter {
     when(mockReport.getUser()).thenReturn("dummy-user");
     when(mockReport.getQueue()).thenReturn("dummy-queue");
     String jobFile = "dummy-path/job.xml";
+
+    try {
+      JobStatus status = TypeConverter.fromYarn(mockReport, jobFile);
+    } catch (NullPointerException npe) {
+      Assert.fail("Type converstion from YARN fails for jobs without " +
+          "ApplicationUsageReport");
+    }
+
     ApplicationResourceUsageReport appUsageRpt = Records
         .newRecord(ApplicationResourceUsageReport.class);
     Resource r = Records.newRecord(Resource.class);

hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-core/src/main/java/org/apache/hadoop/mapreduce/MRJobConfig.java

@@ -412,6 +412,10 @@ public interface MRJobConfig {
     MR_AM_PREFIX+"log.level";
   public static final String DEFAULT_MR_AM_LOG_LEVEL = "INFO";
 
+  public static final String MR_AM_LOG_BACKUPS =
+      MR_AM_PREFIX + "container.log.backups";
+  public static final int DEFAULT_MR_AM_LOG_BACKUPS = 0; // don't roll
+
   /**The number of splits when reporting progress in MR*/
   public static final String MR_AM_NUM_PROGRESS_SPLITS = 
     MR_AM_PREFIX+"num-progress-splits";
@@ -692,7 +696,11 @@ public interface MRJobConfig {
       + "$HADOOP_MAPRED_HOME/share/hadoop/mapreduce/lib/*";
 
   public static final String WORKFLOW_ID = "mapreduce.workflow.id";
-  
+
+  public static final String TASK_LOG_BACKUPS =
+      MR_PREFIX + "task.container.log.backups";
+  public static final int DEFAULT_TASK_LOG_BACKUPS = 0; // don't roll
+
   public static final String WORKFLOW_NAME = "mapreduce.workflow.name";
   
   public static final String WORKFLOW_NODE_NAME =

hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-core/src/main/resources/mapred-default.xml

@@ -510,6 +510,31 @@
   </description>
 </property>
 
+<property>
+  <name>yarn.app.mapreduce.task.container.log.backups</name>
+  <value>0</value>
+  <description>Number of backup files for task logs when using
+    ContainerRollingLogAppender (CRLA). See
+    org.apache.log4j.RollingFileAppender.maxBackupIndex. By default,
+    ContainerLogAppender (CLA) is used, and container logs are not rolled. CRLA
+    is enabled for tasks when both mapreduce.task.userlog.limit.kb and
+    yarn.app.mapreduce.task.container.log.backups are greater than zero.
+  </description>
+</property>
+
+<property>
+  <name>yarn.app.mapreduce.am.container.log.backups</name>
+  <value>0</value>
+  <description>Number of backup files for the ApplicationMaster logs when using
+    ContainerRollingLogAppender (CRLA). See
+    org.apache.log4j.RollingFileAppender.maxBackupIndex. By default,
+    ContainerLogAppender (CLA) is used, and container logs are not rolled. CRLA
+    is enabled for the ApplicationMaster when both
+    mapreduce.task.userlog.limit.kb and
+    yarn.app.mapreduce.am.container.log.backups are greater than zero.
+  </description>
+</property>
+
 <property>
   <name>mapreduce.job.maxtaskfailures.per.tracker</name>
   <value>3</value>
@@ -577,6 +602,31 @@
     </description>
   </property>
 
+  <property>
+    <name>mapreduce.task.profile.params</name>
+    <value></value>
+    <description>JVM profiler parameters used to profile map and reduce task
+      attempts. This string may contain a single format specifier %s that will
+      be replaced by the path to profile.out in the task attempt log directory.
+      To specify different profiling options for map tasks and reduce tasks,
+      more specific parameters mapreduce.task.profile.map.params and
+      mapreduce.task.profile.reduce.params should be used.</description>
+  </property>
+
+  <property>
+    <name>mapreduce.task.profile.map.params</name>
+    <value>${mapreduce.task.profile.params}</value>
+    <description>Map-task-specific JVM profiler parameters. See
+      mapreduce.task.profile.params</description>
+  </property>
+
+  <property>
+    <name>mapreduce.task.profile.reduce.params</name>
+    <value>${mapreduce.task.profile.params}</value>
+    <description>Reduce-task-specific JVM profiler parameters. See
+      mapreduce.task.profile.params</description>
+  </property>
+
   <property>
     <name>mapreduce.task.skip.start.attempts</name>
     <value>2</value>

hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-hs/pom.xml

@@ -33,6 +33,10 @@
   </properties>
 
   <dependencies>
+    <dependency>
+      <groupId>org.apache.hadoop</groupId>
+      <artifactId>hadoop-hdfs</artifactId>
+    </dependency>
     <dependency>
       <groupId>org.apache.hadoop</groupId>
       <artifactId>hadoop-mapreduce-client-common</artifactId>
@@ -53,6 +57,12 @@
       <type>test-jar</type>
       <scope>test</scope>
     </dependency>
+    <dependency>
+      <groupId>org.apache.hadoop</groupId>
+      <artifactId>hadoop-hdfs</artifactId>
+      <type>test-jar</type>
+      <scope>test</scope>
+    </dependency>
   </dependencies>
 
   <build>

hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-hs/src/main/java/org/apache/hadoop/mapreduce/v2/hs/HistoryFileManager.java

@@ -20,6 +20,7 @@ package org.apache.hadoop.mapreduce.v2.hs;
 
 import java.io.FileNotFoundException;
 import java.io.IOException;
+import java.net.ConnectException;
 import java.util.ArrayList;
 import java.util.Collection;
 import java.util.Collections;
@@ -69,6 +70,8 @@ import org.apache.hadoop.yarn.exceptions.YarnRuntimeException;
 
 import com.google.common.annotations.VisibleForTesting;
 import com.google.common.util.concurrent.ThreadFactoryBuilder;
+import org.apache.hadoop.yarn.util.Clock;
+import org.apache.hadoop.yarn.util.SystemClock;
 
 /**
  * This class provides a way to interact with history files in a thread safe
@@ -464,7 +467,8 @@ public class HistoryFileManager extends AbstractService {
 
   private JobACLsManager aclsMgr;
 
-  private Configuration conf;
+  @VisibleForTesting
+  Configuration conf;
 
   private String serialNumberFormat;
 
@@ -491,36 +495,10 @@ public class HistoryFileManager extends AbstractService {
         + (JobHistoryUtils.SERIAL_NUMBER_DIRECTORY_DIGITS + serialNumberLowDigits)
         + "d");
 
-    String doneDirPrefix = null;
-    doneDirPrefix = JobHistoryUtils
-        .getConfiguredHistoryServerDoneDirPrefix(conf);
-    try {
-      doneDirPrefixPath = FileContext.getFileContext(conf).makeQualified(
-          new Path(doneDirPrefix));
-      doneDirFc = FileContext.getFileContext(doneDirPrefixPath.toUri(), conf);
-      doneDirFc.setUMask(JobHistoryUtils.HISTORY_DONE_DIR_UMASK);
-      mkdir(doneDirFc, doneDirPrefixPath, new FsPermission(
-          JobHistoryUtils.HISTORY_DONE_DIR_PERMISSION));
-    } catch (IOException e) {
-      throw new YarnRuntimeException("Error creating done directory: ["
-          + doneDirPrefixPath + "]", e);
-    }
-
-    String intermediateDoneDirPrefix = null;
-    intermediateDoneDirPrefix = JobHistoryUtils
-        .getConfiguredHistoryIntermediateDoneDirPrefix(conf);
-    try {
-      intermediateDoneDirPath = FileContext.getFileContext(conf).makeQualified(
-          new Path(intermediateDoneDirPrefix));
-      intermediateDoneDirFc = FileContext.getFileContext(
-          intermediateDoneDirPath.toUri(), conf);
-      mkdir(intermediateDoneDirFc, intermediateDoneDirPath, new FsPermission(
-          JobHistoryUtils.HISTORY_INTERMEDIATE_DONE_DIR_PERMISSIONS.toShort()));
-    } catch (IOException e) {
-      LOG.info("error creating done directory on dfs " + e);
-      throw new YarnRuntimeException("Error creating intermediate done directory: ["
-          + intermediateDoneDirPath + "]", e);
-    }
+    long maxFSWaitTime = conf.getLong(
+        JHAdminConfig.MR_HISTORY_MAX_START_WAIT_TIME,
+        JHAdminConfig.DEFAULT_MR_HISTORY_MAX_START_WAIT_TIME);
+    createHistoryDirs(new SystemClock(), 10 * 1000, maxFSWaitTime);
 
     this.aclsMgr = new JobACLsManager(conf);
 
@@ -544,6 +522,107 @@ public class HistoryFileManager extends AbstractService {
     super.serviceInit(conf);
   }
 
+  @VisibleForTesting
+  void createHistoryDirs(Clock clock, long intervalCheckMillis,
+      long timeOutMillis) throws IOException {
+    long start = clock.getTime();
+    boolean done = false;
+    int counter = 0;
+    while (!done &&
+        ((timeOutMillis == -1) || (clock.getTime() - start < timeOutMillis))) {
+      done = tryCreatingHistoryDirs(counter++ % 3 == 0); // log every 3 attempts, 30sec
+      try {
+        Thread.sleep(intervalCheckMillis);
+      } catch (InterruptedException ex) {
+        throw new YarnRuntimeException(ex);
+      }
+    }
+    if (!done) {
+      throw new YarnRuntimeException("Timed out '" + timeOutMillis+
+              "ms' waiting for FileSystem to become available");
+    }
+  }
+
+  /**
+   * DistributedFileSystem returns a RemoteException with a message stating
+   * SafeModeException in it. So this is only way to check it is because of
+   * being in safe mode.
+   */
+  private boolean isBecauseSafeMode(Throwable ex) {
+    return ex.toString().contains("SafeModeException");
+  }
+
+  /**
+   * Returns TRUE if the history dirs were created, FALSE if they could not
+   * be created because the FileSystem is not reachable or in safe mode and
+   * throws and exception otherwise.
+   */
+  @VisibleForTesting
+  boolean tryCreatingHistoryDirs(boolean logWait) throws IOException {
+    boolean succeeded = true;
+    String doneDirPrefix = JobHistoryUtils.
+        getConfiguredHistoryServerDoneDirPrefix(conf);
+    try {
+      doneDirPrefixPath = FileContext.getFileContext(conf).makeQualified(
+          new Path(doneDirPrefix));
+      doneDirFc = FileContext.getFileContext(doneDirPrefixPath.toUri(), conf);
+      doneDirFc.setUMask(JobHistoryUtils.HISTORY_DONE_DIR_UMASK);
+      mkdir(doneDirFc, doneDirPrefixPath, new FsPermission(
+          JobHistoryUtils.HISTORY_DONE_DIR_PERMISSION));
+    } catch (ConnectException ex) {
+      if (logWait) {
+        LOG.info("Waiting for FileSystem at " +
+            doneDirPrefixPath.toUri().getAuthority()  + "to be available");
+      }
+      succeeded = false;
+    } catch (IOException e) {
+      if (isBecauseSafeMode(e)) {
+        succeeded = false;
+        if (logWait) {
+          LOG.info("Waiting for FileSystem at " +
+              doneDirPrefixPath.toUri().getAuthority() +
+              "to be out of safe mode");
+        }
+      } else {
+        throw new YarnRuntimeException("Error creating done directory: ["
+            + doneDirPrefixPath + "]", e);
+      }
+    }
+    if (succeeded) {
+      String intermediateDoneDirPrefix = JobHistoryUtils.
+          getConfiguredHistoryIntermediateDoneDirPrefix(conf);
+      try {
+        intermediateDoneDirPath = FileContext.getFileContext(conf).makeQualified(
+            new Path(intermediateDoneDirPrefix));
+        intermediateDoneDirFc = FileContext.getFileContext(
+            intermediateDoneDirPath.toUri(), conf);
+        mkdir(intermediateDoneDirFc, intermediateDoneDirPath, new FsPermission(
+            JobHistoryUtils.HISTORY_INTERMEDIATE_DONE_DIR_PERMISSIONS.toShort()));
+      } catch (ConnectException ex) {
+        succeeded = false;
+        if (logWait) {
+          LOG.info("Waiting for FileSystem at " +
+              intermediateDoneDirPath.toUri().getAuthority() +
+              "to be available");
+        }
+      } catch (IOException e) {
+        if (isBecauseSafeMode(e)) {
+          succeeded = false;
+          if (logWait) {
+            LOG.info("Waiting for FileSystem at " +
+                intermediateDoneDirPath.toUri().getAuthority() +
+                "to be out of safe mode");
+          }
+        } else {
+          throw new YarnRuntimeException(
+              "Error creating intermediate done directory: ["
+              + intermediateDoneDirPath + "]", e);
+        }
+      }
+    }
+    return succeeded;
+  }
+
   @Override
   public void serviceStop() throws Exception {
     ShutdownThreadsHelper.shutdownExecutorService(moveToDoneExecutor);

hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-hs/src/test/java/org/apache/hadoop/mapreduce/v2/hs/TestHistoryFileManager.java

@@ -0,0 +1,139 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.apache.hadoop.mapreduce.v2.hs;
+
+
+import junit.framework.Assert;
+import org.apache.hadoop.conf.Configuration;
+import org.apache.hadoop.fs.FileSystem;
+import org.apache.hadoop.hdfs.HdfsConfiguration;
+import org.apache.hadoop.hdfs.MiniDFSCluster;
+import org.apache.hadoop.hdfs.protocol.HdfsConstants;
+import org.apache.hadoop.mapreduce.v2.app.ControlledClock;
+import org.apache.hadoop.mapreduce.v2.jobhistory.JHAdminConfig;
+import org.apache.hadoop.yarn.conf.YarnConfiguration;
+import org.apache.hadoop.yarn.exceptions.YarnRuntimeException;
+import org.apache.hadoop.yarn.util.Clock;
+import org.apache.hadoop.yarn.util.SystemClock;
+import org.junit.AfterClass;
+import org.junit.BeforeClass;
+import org.junit.Test;
+
+import java.util.UUID;
+
+public class TestHistoryFileManager {
+  private static MiniDFSCluster dfsCluster = null;
+
+  @BeforeClass
+  public static void setUpClass() throws Exception {
+    Configuration conf = new HdfsConfiguration();
+    dfsCluster = new MiniDFSCluster.Builder(conf).build();
+  }
+
+  @AfterClass
+  public static void cleanUpClass() throws Exception {
+    dfsCluster.shutdown();
+  }
+
+  private void testTryCreateHistoryDirs(Configuration conf, boolean expected)
+      throws Exception {
+    conf.set(JHAdminConfig.MR_HISTORY_DONE_DIR, "/" + UUID.randomUUID());
+    conf.set(JHAdminConfig.MR_HISTORY_INTERMEDIATE_DONE_DIR, "/" + UUID.randomUUID());
+    HistoryFileManager hfm = new HistoryFileManager();
+    hfm.conf = conf;
+    Assert.assertEquals(expected, hfm.tryCreatingHistoryDirs(false));
+  }
+
+  @Test
+  public void testCreateDirsWithoutFileSystem() throws Exception {
+    Configuration conf = new YarnConfiguration();
+    conf.set(FileSystem.FS_DEFAULT_NAME_KEY, "hdfs://localhost:1");
+    testTryCreateHistoryDirs(conf, false);
+  }
+
+  @Test
+  public void testCreateDirsWithFileSystem() throws Exception {
+    dfsCluster.getFileSystem().setSafeMode(
+        HdfsConstants.SafeModeAction.SAFEMODE_LEAVE);
+    Assert.assertFalse(dfsCluster.getFileSystem().isInSafeMode());
+    testTryCreateHistoryDirs(dfsCluster.getConfiguration(0), true);
+  }
+
+  @Test
+  public void testCreateDirsWithFileSystemInSafeMode() throws Exception {
+    dfsCluster.getFileSystem().setSafeMode(
+        HdfsConstants.SafeModeAction.SAFEMODE_ENTER);
+    Assert.assertTrue(dfsCluster.getFileSystem().isInSafeMode());
+    testTryCreateHistoryDirs(dfsCluster.getConfiguration(0), false);
+  }
+
+  private void testCreateHistoryDirs(Configuration conf, Clock clock)
+      throws Exception {
+    conf.set(JHAdminConfig.MR_HISTORY_DONE_DIR, "/" + UUID.randomUUID());
+    conf.set(JHAdminConfig.MR_HISTORY_INTERMEDIATE_DONE_DIR, "/" + UUID.randomUUID());
+    HistoryFileManager hfm = new HistoryFileManager();
+    hfm.conf = conf;
+    hfm.createHistoryDirs(clock, 500, 2000);
+  }
+
+  @Test
+  public void testCreateDirsWithFileSystemBecomingAvailBeforeTimeout()
+      throws Exception {
+    dfsCluster.getFileSystem().setSafeMode(
+        HdfsConstants.SafeModeAction.SAFEMODE_ENTER);
+    Assert.assertTrue(dfsCluster.getFileSystem().isInSafeMode());
+    new Thread() {
+      @Override
+      public void run() {
+        try {
+          Thread.sleep(500);
+          dfsCluster.getFileSystem().setSafeMode(
+              HdfsConstants.SafeModeAction.SAFEMODE_LEAVE);
+          Assert.assertTrue(dfsCluster.getFileSystem().isInSafeMode());
+        } catch (Exception ex) {
+          Assert.fail(ex.toString());
+        }
+      }
+    }.start();
+    testCreateHistoryDirs(dfsCluster.getConfiguration(0), new SystemClock());
+  }
+
+  @Test(expected = YarnRuntimeException.class)
+  public void testCreateDirsWithFileSystemNotBecomingAvailBeforeTimeout()
+      throws Exception {
+    dfsCluster.getFileSystem().setSafeMode(
+        HdfsConstants.SafeModeAction.SAFEMODE_ENTER);
+    Assert.assertTrue(dfsCluster.getFileSystem().isInSafeMode());
+    final ControlledClock clock = new ControlledClock(new SystemClock());
+    clock.setTime(1);
+    new Thread() {
+      @Override
+      public void run() {
+        try {
+          Thread.sleep(500);
+          clock.setTime(3000);
+        } catch (Exception ex) {
+          Assert.fail(ex.toString());
+        }
+      }
+    }.start();
+    testCreateHistoryDirs(dfsCluster.getConfiguration(0), clock);
+  }
+
+}

hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-jobclient/src/main/java/org/apache/hadoop/mapred/YARNRunner.java

@@ -392,7 +392,9 @@ public class YARNRunner implements ClientProtocol {
     long logSize = TaskLog.getTaskLogLength(new JobConf(conf));
     String logLevel = jobConf.get(
         MRJobConfig.MR_AM_LOG_LEVEL, MRJobConfig.DEFAULT_MR_AM_LOG_LEVEL);
-    MRApps.addLog4jSystemProperties(logLevel, logSize, vargs);
+    int numBackups = jobConf.getInt(MRJobConfig.MR_AM_LOG_BACKUPS,
+        MRJobConfig.DEFAULT_MR_AM_LOG_BACKUPS);
+    MRApps.addLog4jSystemProperties(logLevel, logSize, numBackups, vargs);
 
     // Check for Java Lib Path usage in MAP and REDUCE configs
     warnForJavaLibPath(conf.get(MRJobConfig.MAP_JAVA_OPTS,""), "map", 

hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-jobclient/src/test/java/org/apache/hadoop/mapred/TestClientRedirect.java

@@ -90,6 +90,8 @@ import org.apache.hadoop.yarn.api.protocolrecords.GetQueueUserAclsInfoRequest;
 import org.apache.hadoop.yarn.api.protocolrecords.GetQueueUserAclsInfoResponse;
 import org.apache.hadoop.yarn.api.protocolrecords.KillApplicationRequest;
 import org.apache.hadoop.yarn.api.protocolrecords.KillApplicationResponse;
+import org.apache.hadoop.yarn.api.protocolrecords.MoveApplicationAcrossQueuesRequest;
+import org.apache.hadoop.yarn.api.protocolrecords.MoveApplicationAcrossQueuesResponse;
 import org.apache.hadoop.yarn.api.protocolrecords.RenewDelegationTokenRequest;
 import org.apache.hadoop.yarn.api.protocolrecords.RenewDelegationTokenResponse;
 import org.apache.hadoop.yarn.api.protocolrecords.SubmitApplicationRequest;
@@ -99,6 +101,7 @@ import org.apache.hadoop.yarn.api.records.ApplicationReport;
 import org.apache.hadoop.yarn.api.records.FinalApplicationStatus;
 import org.apache.hadoop.yarn.api.records.YarnApplicationState;
 import org.apache.hadoop.yarn.conf.YarnConfiguration;
+import org.apache.hadoop.yarn.exceptions.YarnException;
 import org.apache.hadoop.yarn.exceptions.YarnRuntimeException;
 import org.apache.hadoop.yarn.factories.RecordFactory;
 import org.apache.hadoop.yarn.factory.providers.RecordFactoryProvider;
@@ -354,6 +357,12 @@ public class TestClientRedirect {
         CancelDelegationTokenRequest request) throws IOException {
       return null;
     }
+
+    @Override
+    public MoveApplicationAcrossQueuesResponse moveApplicationAcrossQueues(
+        MoveApplicationAcrossQueuesRequest request) throws YarnException, IOException {
+      return null;
+    }
   }
 
   class HistoryService extends AMService implements HSClientProtocol {

hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-jobclient/src/test/java/org/apache/hadoop/mapred/TestNetworkedJob.java

@@ -45,7 +45,9 @@ import org.apache.hadoop.mapred.lib.IdentityMapper;
 import org.apache.hadoop.mapred.lib.IdentityReducer;
 import org.apache.hadoop.mapreduce.Cluster.JobTrackerStatus;
 import org.apache.hadoop.mapreduce.Job;
+import org.apache.hadoop.yarn.conf.YarnConfiguration;
 import org.apache.hadoop.yarn.exceptions.YarnRuntimeException;
+import org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.CapacityScheduler;
 import org.junit.Test;
 import org.apache.hadoop.security.UserGroupInformation;
 import org.apache.hadoop.security.token.Token;
@@ -76,8 +78,7 @@ public class TestNetworkedJob {
     FileSystem fileSys = null;
 
     try {
-      mr = MiniMRClientClusterFactory.create(this.getClass(), 2,
-          new Configuration());
+      mr = createMiniClusterWithCapacityScheduler();
 
       JobConf job = new JobConf(mr.getConfig());
 
@@ -129,8 +130,7 @@ public class TestNetworkedJob {
     FileSystem fileSys = null;
 
     try {
-      Configuration conf = new Configuration();
-      mr = MiniMRClientClusterFactory.create(this.getClass(), 2, conf);
+      mr = createMiniClusterWithCapacityScheduler();
 
       JobConf job = new JobConf(mr.getConfig());
 
@@ -315,8 +315,7 @@ public class TestNetworkedJob {
     FileSystem fileSys = null;
     PrintStream oldOut = System.out;
     try {
-      Configuration conf = new Configuration();
-      mr = MiniMRClientClusterFactory.create(this.getClass(), 2, conf);
+      mr = createMiniClusterWithCapacityScheduler();
 
       JobConf job = new JobConf(mr.getConfig());
 
@@ -392,4 +391,13 @@ public class TestNetworkedJob {
       }
     }
   }
+  
+  private MiniMRClientCluster createMiniClusterWithCapacityScheduler()
+      throws IOException {
+    Configuration conf = new Configuration();
+    // Expected queue names depending on Capacity Scheduler queue naming
+    conf.setClass(YarnConfiguration.RM_SCHEDULER, CapacityScheduler.class,
+        CapacityScheduler.class);
+    return MiniMRClientClusterFactory.create(this.getClass(), 2, conf);
+  }
 }

hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-jobclient/src/test/java/org/apache/hadoop/mapreduce/v2/TestMRJobs.java

@@ -23,10 +23,12 @@ import java.io.File;
 import java.io.FileInputStream;
 import java.io.FileNotFoundException;
 import java.io.FileOutputStream;
+import java.io.InputStreamReader;
 import java.io.IOException;
 import java.io.StringReader;
 import java.net.URI;
 import java.security.PrivilegedExceptionAction;
+import java.util.EnumSet;
 import java.util.HashMap;
 import java.util.Map;
 import java.util.jar.JarOutputStream;
@@ -53,6 +55,8 @@ import org.apache.hadoop.io.IOUtils;
 import org.apache.hadoop.io.LongWritable;
 import org.apache.hadoop.io.NullWritable;
 import org.apache.hadoop.io.Text;
+import org.apache.hadoop.mapred.JobConf;
+import org.apache.hadoop.mapred.TaskLog;
 import org.apache.hadoop.mapreduce.Counters;
 import org.apache.hadoop.mapreduce.Job;
 import org.apache.hadoop.mapreduce.JobCounter;
@@ -65,17 +69,22 @@ import org.apache.hadoop.mapreduce.TaskCompletionEvent;
 import org.apache.hadoop.mapreduce.TaskID;
 import org.apache.hadoop.mapreduce.TaskReport;
 import org.apache.hadoop.mapreduce.TaskType;
+import org.apache.hadoop.mapreduce.TypeConverter;
 import org.apache.hadoop.mapreduce.lib.input.FileInputFormat;
 import org.apache.hadoop.mapreduce.lib.output.FileOutputCommitter;
 import org.apache.hadoop.mapreduce.lib.output.FileOutputFormat;
 import org.apache.hadoop.mapreduce.lib.output.NullOutputFormat;
 import org.apache.hadoop.mapreduce.lib.output.TextOutputFormat;
+import org.apache.hadoop.mapreduce.v2.api.records.JobId;
 import org.apache.hadoop.security.UserGroupInformation;
 import org.apache.hadoop.security.token.Token;
 import org.apache.hadoop.security.token.TokenIdentifier;
 import org.apache.hadoop.util.JarFinder;
 import org.apache.hadoop.util.Shell;
+import org.apache.hadoop.yarn.api.records.ApplicationId;
 import org.apache.hadoop.yarn.conf.YarnConfiguration;
+import org.apache.hadoop.yarn.server.resourcemanager.rmapp.RMAppState;
+import org.apache.log4j.Level;
 import org.junit.AfterClass;
 import org.junit.Assert;
 import org.junit.BeforeClass;
@@ -84,6 +93,9 @@ import org.junit.Test;
 public class TestMRJobs {
 
   private static final Log LOG = LogFactory.getLog(TestMRJobs.class);
+  private static final EnumSet<RMAppState> TERMINAL_RM_APP_STATES =
+      EnumSet.of(RMAppState.FINISHED, RMAppState.FAILED, RMAppState.KILLED);
+  private static final int NUM_NODE_MGRS = 3;
 
   protected static MiniMRYarnCluster mrCluster;
   protected static MiniDFSCluster dfsCluster;
@@ -122,7 +134,8 @@ public class TestMRJobs {
     }
 
     if (mrCluster == null) {
-      mrCluster = new MiniMRYarnCluster(TestMRJobs.class.getName(), 3);
+      mrCluster = new MiniMRYarnCluster(TestMRJobs.class.getName(),
+          NUM_NODE_MGRS);
       Configuration conf = new Configuration();
       conf.set("fs.defaultFS", remoteFs.getUri().toString());   // use HDFS
       conf.set(MRJobConfig.MR_AM_STAGING_DIR, "/apps_staging_dir");
@@ -416,6 +429,115 @@ public class TestMRJobs {
     // TODO later:  add explicit "isUber()" checks of some sort
   }
 
+  @Test(timeout = 120000)
+  public void testContainerRollingLog() throws IOException,
+      InterruptedException, ClassNotFoundException {
+    if (!(new File(MiniMRYarnCluster.APPJAR)).exists()) {
+      LOG.info("MRAppJar " + MiniMRYarnCluster.APPJAR
+          + " not found. Not running test.");
+      return;
+    }
+
+    final SleepJob sleepJob = new SleepJob();
+    final JobConf sleepConf = new JobConf(mrCluster.getConfig());
+    sleepConf.set(MRJobConfig.MAP_LOG_LEVEL, Level.ALL.toString());
+    sleepConf.set(MRJobConfig.MR_AM_LOG_LEVEL, Level.ALL.toString());
+    sleepConf.setLong(MRJobConfig.TASK_USERLOG_LIMIT, 1);
+    sleepConf.setInt(MRJobConfig.TASK_LOG_BACKUPS, 3);
+    sleepConf.setInt(MRJobConfig.MR_AM_LOG_BACKUPS, 7);
+    sleepJob.setConf(sleepConf);
+
+    final Job job = sleepJob.createJob(1, 0, 1L, 100, 0L, 0);
+    job.setJarByClass(SleepJob.class);
+    job.addFileToClassPath(APP_JAR); // The AppMaster jar itself.
+    job.waitForCompletion(true);
+    final JobId jobId = TypeConverter.toYarn(job.getJobID());
+    final ApplicationId appID = jobId.getAppId();
+    int pollElapsed = 0;
+    while (true) {
+      Thread.sleep(1000);
+      pollElapsed += 1000;
+      if (TERMINAL_RM_APP_STATES.contains(
+        mrCluster.getResourceManager().getRMContext().getRMApps().get(appID)
+            .getState())) {
+        break;
+      }
+      if (pollElapsed >= 60000) {
+        LOG.warn("application did not reach terminal state within 60 seconds");
+        break;
+      }
+    }
+    Assert.assertEquals(RMAppState.FINISHED, mrCluster.getResourceManager()
+        .getRMContext().getRMApps().get(appID).getState());
+
+    // Job finished, verify logs
+    //
+
+    final String appIdStr = appID.toString();
+    final String appIdSuffix = appIdStr.substring("application_".length(),
+        appIdStr.length());
+    final String containerGlob = "container_" + appIdSuffix + "_*_*";
+    final String syslogGlob = appIdStr
+        + Path.SEPARATOR + containerGlob
+        + Path.SEPARATOR + TaskLog.LogName.SYSLOG;
+    int numAppMasters = 0;
+    int numMapTasks = 0;
+
+    for (int i = 0; i < NUM_NODE_MGRS; i++) {
+      final Configuration nmConf = mrCluster.getNodeManager(i).getConfig();
+      for (String logDir :
+               nmConf.getTrimmedStrings(YarnConfiguration.NM_LOG_DIRS)) {
+        final Path absSyslogGlob =
+            new Path(logDir + Path.SEPARATOR + syslogGlob);
+        LOG.info("Checking for glob: " + absSyslogGlob);
+        final FileStatus[] syslogs = localFs.globStatus(absSyslogGlob);
+        for (FileStatus slog : syslogs) {
+          // check all syslogs for the container
+          //
+          final FileStatus[] sysSiblings = localFs.globStatus(new Path(
+              slog.getPath().getParent(), TaskLog.LogName.SYSLOG + "*"));
+          boolean foundAppMaster = false;
+          floop:
+          for (FileStatus f : sysSiblings) {
+            final BufferedReader reader = new BufferedReader(
+                new InputStreamReader(localFs.open(f.getPath())));
+            String line;
+            try {
+              while ((line = reader.readLine()) != null) {
+                if (line.contains(MRJobConfig.APPLICATION_MASTER_CLASS)) {
+                  foundAppMaster = true;
+                  break floop;
+                }
+              }
+            } finally {
+              reader.close();
+            }
+          }
+
+          if (foundAppMaster) {
+            numAppMasters++;
+          } else {
+            numMapTasks++;
+          }
+
+          Assert.assertSame("Number of sylog* files",
+              foundAppMaster
+                ? sleepConf.getInt(MRJobConfig.MR_AM_LOG_BACKUPS, 0) + 1
+                : sleepConf.getInt(MRJobConfig.TASK_LOG_BACKUPS, 0) + 1,
+              sysSiblings.length);
+        }
+      }
+    }
+    // Make sure we checked non-empty set
+    //
+    Assert.assertEquals("No AppMaster log found!", 1, numAppMasters);
+    if (sleepConf.getBoolean(MRJobConfig.JOB_UBERTASK_ENABLE, false)) {
+      Assert.assertEquals("MapTask log with uber found!", 0, numMapTasks);
+    } else {
+      Assert.assertEquals("No MapTask log found!", 1, numMapTasks);
+    }
+  }
+
   public static class DistributedCacheChecker extends
       Mapper<LongWritable, Text, NullWritable, NullWritable> {
 

hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-jobclient/src/test/java/org/apache/hadoop/mapreduce/v2/TestMRJobsWithProfiler.java

@@ -0,0 +1,244 @@
+/**
+* Licensed to the Apache Software Foundation (ASF) under one
+* or more contributor license agreements.  See the NOTICE file
+* distributed with this work for additional information
+* regarding copyright ownership.  The ASF licenses this file
+* to you under the Apache License, Version 2.0 (the
+* "License"); you may not use this file except in compliance
+* with the License.  You may obtain a copy of the License at
+*
+*     http://www.apache.org/licenses/LICENSE-2.0
+*
+* Unless required by applicable law or agreed to in writing, software
+* distributed under the License is distributed on an "AS IS" BASIS,
+* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+* See the License for the specific language governing permissions and
+* limitations under the License.
+*/
+
+package org.apache.hadoop.mapreduce.v2;
+
+import java.io.*;
+import java.util.*;
+
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
+
+import junit.framework.Assert;
+
+import org.apache.commons.logging.Log;
+import org.apache.commons.logging.LogFactory;
+import org.apache.hadoop.SleepJob;
+import org.apache.hadoop.conf.Configuration;
+import org.apache.hadoop.fs.*;
+import org.apache.hadoop.fs.permission.FsPermission;
+import org.apache.hadoop.mapred.*;
+import org.apache.hadoop.mapreduce.*;
+import org.apache.hadoop.mapreduce.TaskAttemptID;
+import org.apache.hadoop.mapreduce.v2.api.records.JobId;
+import org.apache.hadoop.yarn.api.records.ApplicationId;
+import org.apache.hadoop.yarn.conf.YarnConfiguration;
+import org.apache.hadoop.yarn.server.resourcemanager.rmapp.RMAppState;
+import org.junit.After;
+import org.junit.Before;
+import org.junit.Test;
+
+public class TestMRJobsWithProfiler {
+
+  private static final Log LOG =
+    LogFactory.getLog(TestMRJobsWithProfiler.class);
+
+  private static final EnumSet<RMAppState> TERMINAL_RM_APP_STATES =
+    EnumSet.of(RMAppState.FINISHED, RMAppState.FAILED, RMAppState.KILLED);
+
+  private static MiniMRYarnCluster mrCluster;
+
+  private static final Configuration CONF = new Configuration();
+  private static final FileSystem localFs;
+  static {
+    try {
+      localFs = FileSystem.getLocal(CONF);
+    } catch (IOException io) {
+      throw new RuntimeException("problem getting local fs", io);
+    }
+  }
+
+  private static final Path TEST_ROOT_DIR =
+    new Path("target",  TestMRJobs.class.getName() + "-tmpDir").
+      makeQualified(localFs.getUri(), localFs.getWorkingDirectory());
+
+  private static final Path APP_JAR = new Path(TEST_ROOT_DIR, "MRAppJar.jar");
+
+  @Before
+  public void setup() throws InterruptedException, IOException {
+
+    if (!(new File(MiniMRYarnCluster.APPJAR)).exists()) {
+      LOG.info("MRAppJar " + MiniMRYarnCluster.APPJAR
+               + " not found. Not running test.");
+      return;
+    }
+
+    if (mrCluster == null) {
+      mrCluster = new MiniMRYarnCluster(getClass().getName());
+      mrCluster.init(CONF);
+      mrCluster.start();
+    }
+
+    // Copy MRAppJar and make it private. TODO: FIXME. This is a hack to
+    // workaround the absent public discache.
+    localFs.copyFromLocalFile(new Path(MiniMRYarnCluster.APPJAR), APP_JAR);
+    localFs.setPermission(APP_JAR, new FsPermission("700"));
+  }
+
+  @After
+  public void tearDown() {
+    if (!(new File(MiniMRYarnCluster.APPJAR)).exists()) {
+      LOG.info("MRAppJar " + MiniMRYarnCluster.APPJAR
+          + " not found. Not running test.");
+      return;
+    }
+
+    if (mrCluster != null) {
+      mrCluster.stop();
+    }
+  }
+
+
+  @Test (timeout = 120000)
+  public void testProfiler() throws IOException, InterruptedException,
+      ClassNotFoundException {
+    if (!(new File(MiniMRYarnCluster.APPJAR)).exists()) {
+      LOG.info("MRAppJar " + MiniMRYarnCluster.APPJAR
+        + " not found. Not running test.");
+      return;
+    }
+
+    final SleepJob sleepJob = new SleepJob();
+    final JobConf sleepConf = new JobConf(mrCluster.getConfig());
+
+    sleepConf.setProfileEnabled(true);
+    // profile map split 1
+    sleepConf.setProfileTaskRange(true, "1");
+    // profile reduce of map output partitions 1
+    sleepConf.setProfileTaskRange(false, "1");
+
+    // use hprof for map to profile.out
+    sleepConf.set(MRJobConfig.TASK_MAP_PROFILE_PARAMS,
+        "-agentlib:hprof=cpu=times,heap=sites,force=n,thread=y,verbose=n,"
+      + "file=%s");
+
+    // use Xprof for reduce to stdout
+    sleepConf.set(MRJobConfig.TASK_REDUCE_PROFILE_PARAMS, "-Xprof");
+    sleepJob.setConf(sleepConf);
+
+    // 2-map-2-reduce SleepJob
+    final Job job = sleepJob.createJob(2, 2, 500, 1, 500, 1);
+    job.setJarByClass(SleepJob.class);
+    job.addFileToClassPath(APP_JAR); // The AppMaster jar itself.
+    job.waitForCompletion(true);
+    final JobId jobId = TypeConverter.toYarn(job.getJobID());
+    final ApplicationId appID = jobId.getAppId();
+    int pollElapsed = 0;
+    while (true) {
+      Thread.sleep(1000);
+      pollElapsed += 1000;
+
+      if (TERMINAL_RM_APP_STATES.contains(
+        mrCluster.getResourceManager().getRMContext().getRMApps().get(appID)
+          .getState())) {
+        break;
+      }
+
+      if (pollElapsed >= 60000) {
+        LOG.warn("application did not reach terminal state within 60 seconds");
+        break;
+      }
+    }
+    Assert.assertEquals(RMAppState.FINISHED, mrCluster.getResourceManager()
+      .getRMContext().getRMApps().get(appID).getState());
+
+    // Job finished, verify logs
+    //
+    final Configuration nmConf = mrCluster.getNodeManager(0).getConfig();
+
+    final String appIdStr = appID.toString();
+    final String appIdSuffix = appIdStr.substring(
+      "application_".length(), appIdStr.length());
+    final String containerGlob = "container_" + appIdSuffix + "_*_*";
+
+    final Map<TaskAttemptID,Path> taLogDirs = new HashMap<TaskAttemptID,Path>();
+    final Pattern taskPattern = Pattern.compile(
+        ".*Task:(attempt_"
+      + appIdSuffix + "_[rm]_" + "[0-9]+_[0-9]+).*");
+    for (String logDir :
+         nmConf.getTrimmedStrings(YarnConfiguration.NM_LOG_DIRS))
+    {
+      // filter out MRAppMaster and create attemptId->logDir map
+      //
+      for (FileStatus fileStatus :
+          localFs.globStatus(new Path(logDir
+            + Path.SEPARATOR + appIdStr
+            + Path.SEPARATOR + containerGlob
+            + Path.SEPARATOR + TaskLog.LogName.SYSLOG)))
+      {
+        final BufferedReader br = new BufferedReader(
+          new InputStreamReader(localFs.open(fileStatus.getPath())));
+        String line;
+        while ((line = br.readLine()) != null) {
+          final Matcher m = taskPattern.matcher(line);
+          if (m.matches()) {
+            // found Task done message
+            taLogDirs.put(TaskAttemptID.forName(m.group(1)),
+              fileStatus.getPath().getParent());
+            break;
+          }
+        }
+        br.close();
+      }
+    }
+
+    Assert.assertEquals(4, taLogDirs.size());  // all 4 attempts found
+
+    for (Map.Entry<TaskAttemptID,Path> dirEntry : taLogDirs.entrySet()) {
+      final TaskAttemptID tid = dirEntry.getKey();
+      final Path profilePath = new Path(dirEntry.getValue(),
+        TaskLog.LogName.PROFILE.toString());
+      final Path stdoutPath = new Path(dirEntry.getValue(),
+        TaskLog.LogName.STDOUT.toString());
+      if (tid.getTaskType() == TaskType.MAP) {
+        if (tid.getTaskID().getId() == 1) {
+          // verify profile.out
+          final BufferedReader br = new BufferedReader(new InputStreamReader(
+            localFs.open(profilePath)));
+          final String line = br.readLine();
+          Assert.assertTrue("No hprof content found!",
+            line !=null && line.startsWith("JAVA PROFILE"));
+          br.close();
+          Assert.assertEquals(0L, localFs.getFileStatus(stdoutPath).getLen());
+        } else {
+          Assert.assertFalse("hprof file should not exist",
+            localFs.exists(profilePath));
+        }
+      } else {
+        Assert.assertFalse("hprof file should not exist",
+          localFs.exists(profilePath));
+        if (tid.getTaskID().getId() == 1) {
+          final BufferedReader br = new BufferedReader(new InputStreamReader(
+            localFs.open(stdoutPath)));
+          boolean flatProfFound = false;
+          String line;
+          while ((line = br.readLine()) != null) {
+            if (line.startsWith("Flat profile")) {
+              flatProfFound = true;
+              break;
+            }
+          }
+          br.close();
+          Assert.assertTrue("Xprof flat profile not found!", flatProfFound);
+        } else {
+          Assert.assertEquals(0L, localFs.getFileStatus(stdoutPath).getLen());
+        }
+      }
+    }
+  }
+}

hadoop-project/pom.xml

@@ -422,7 +422,7 @@
         <version>${jersey.version}</version>
         <exclusions>
           <exclusion>
-            <groupId>javax.xml.stream</groupId>
+            <groupId>stax</groupId>
             <artifactId>stax-api</artifactId>
           </exclusion>
         </exclusions>
@@ -770,6 +770,12 @@
         <groupId>org.codehaus.jettison</groupId>
         <artifactId>jettison</artifactId>
         <version>1.1</version>
+        <exclusions>
+          <exclusion>
+            <groupId>stax</groupId>
+            <artifactId>stax-api</artifactId>
+          </exclusion>
+        </exclusions>
       </dependency>
       <dependency>
         <groupId>com.sun.jersey</groupId>

hadoop-yarn-project/CHANGES.txt

@@ -6,6 +6,9 @@ Trunk - Unreleased
 
   NEW FEATURES
 
+    YARN-1496. Protocol additions to allow moving apps between queues (Sandy
+    Ryza)
+
   IMPROVEMENTS
 
   OPTIMIZATIONS
@@ -343,6 +346,12 @@ Release 2.4.0 - UNRELEASED
     YARN-1351. Invalid string format in Fair Scheduler log warn message
     (Konstantin Weitz via Sandy Ryza)
 
+    YARN-1608. LinuxContainerExecutor has a few DEBUG messages at INFO level
+    (kasha)
+
+    YARN-1606. Fix the default value of yarn.resourcemanager.zk-timeout-ms 
+    in yarn-default.xml (kasha)
+
 Release 2.3.0 - UNRELEASED
 
   INCOMPATIBLE CHANGES

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-api/src/main/java/org/apache/hadoop/yarn/api/ApplicationClientProtocol.java

@@ -44,6 +44,8 @@ import org.apache.hadoop.yarn.api.protocolrecords.GetQueueUserAclsInfoRequest;
 import org.apache.hadoop.yarn.api.protocolrecords.GetQueueUserAclsInfoResponse;
 import org.apache.hadoop.yarn.api.protocolrecords.KillApplicationRequest;
 import org.apache.hadoop.yarn.api.protocolrecords.KillApplicationResponse;
+import org.apache.hadoop.yarn.api.protocolrecords.MoveApplicationAcrossQueuesRequest;
+import org.apache.hadoop.yarn.api.protocolrecords.MoveApplicationAcrossQueuesResponse;
 import org.apache.hadoop.yarn.api.protocolrecords.RenewDelegationTokenRequest;
 import org.apache.hadoop.yarn.api.protocolrecords.RenewDelegationTokenResponse;
 import org.apache.hadoop.yarn.api.protocolrecords.SubmitApplicationRequest;
@@ -339,4 +341,17 @@ public interface ApplicationClientProtocol {
   public CancelDelegationTokenResponse cancelDelegationToken(
       CancelDelegationTokenRequest request) throws YarnException,
       IOException;
+  
+  /**
+   * Move an application to a new queue.
+   * 
+   * @param request the application ID and the target queue
+   * @return an empty response
+   * @throws YarnException
+   * @throws IOException
+   */
+  @Public
+  @Unstable
+  public MoveApplicationAcrossQueuesResponse moveApplicationAcrossQueues(
+      MoveApplicationAcrossQueuesRequest request) throws YarnException, IOException;
 }

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-api/src/main/java/org/apache/hadoop/yarn/api/protocolrecords/MoveApplicationAcrossQueuesRequest.java

@@ -0,0 +1,69 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.apache.hadoop.yarn.api.protocolrecords;
+
+import org.apache.hadoop.classification.InterfaceAudience.Public;
+import org.apache.hadoop.classification.InterfaceStability.Unstable;
+import org.apache.hadoop.yarn.api.ApplicationClientProtocol;
+import org.apache.hadoop.yarn.api.records.ApplicationId;
+import org.apache.hadoop.yarn.util.Records;
+
+/**
+ * <p>The request sent by the client to the <code>ResourceManager</code>
+ * to move a submitted application to a different queue.</p>
+ * 
+ * <p>The request includes the {@link ApplicationId} of the application to be
+ * moved and the queue to place it in.</p>
+ * 
+ * @see ApplicationClientProtocol#moveApplicationAcrossQueues(MoveApplicationAcrossQueuesRequest)
+ */
+@Public
+@Unstable
+public abstract class MoveApplicationAcrossQueuesRequest {
+  public static MoveApplicationAcrossQueuesRequest newInstance(ApplicationId appId, String queue) {
+    MoveApplicationAcrossQueuesRequest request =
+        Records.newRecord(MoveApplicationAcrossQueuesRequest.class);
+    request.setApplicationId(appId);
+    request.setTargetQueue(queue);
+    return request;
+  }
+  
+  /**
+   * Get the <code>ApplicationId</code> of the application to be moved.
+   * @return <code>ApplicationId</code> of the application to be moved
+   */
+  public abstract ApplicationId getApplicationId();
+  
+  /**
+   * Set the <code>ApplicationId</code> of the application to be moved.
+   * @param appId <code>ApplicationId</code> of the application to be moved
+   */
+  public abstract void setApplicationId(ApplicationId appId);
+  
+  /**
+   * Get the queue to place the application in.
+   * @return the name of the queue to place the application in
+   */
+  public abstract String getTargetQueue();
+
+  /**
+   * Get the queue to place the application in.
+   * @param queue the name of the queue to place the application in
+   */
+  public abstract void setTargetQueue(String queue);
+}

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-api/src/main/java/org/apache/hadoop/yarn/api/protocolrecords/MoveApplicationAcrossQueuesResponse.java

@@ -0,0 +1,47 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.apache.hadoop.yarn.api.protocolrecords;
+
+import org.apache.hadoop.classification.InterfaceAudience.Private;
+import org.apache.hadoop.classification.InterfaceAudience.Public;
+import org.apache.hadoop.classification.InterfaceStability.Unstable;
+import org.apache.hadoop.yarn.api.ApplicationClientProtocol;
+import org.apache.hadoop.yarn.util.Records;
+
+/**
+ * <p>
+ * The response sent by the <code>ResourceManager</code> to the client moving
+ * a submitted application to a different queue.
+ * </p>
+ * <p>
+ * A response without exception means that the move has completed successfully.
+ * </p>
+ * 
+ * @see ApplicationClientProtocol#moveApplicationAcrossQueues(MoveApplicationAcrossQueuesRequest)
+ */
+@Public
+@Unstable
+public class MoveApplicationAcrossQueuesResponse {
+  @Private
+  @Unstable
+  public MoveApplicationAcrossQueuesResponse newInstance() {
+    MoveApplicationAcrossQueuesResponse response =
+        Records.newRecord(MoveApplicationAcrossQueuesResponse.class);
+    return response;
+  }
+}

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-api/src/main/java/org/apache/hadoop/yarn/conf/YarnConfiguration.java

@@ -928,6 +928,9 @@ public class YarnConfiguration extends Configuration {
   public static final String YARN_APP_CONTAINER_LOG_SIZE =
       YARN_PREFIX + "app.container.log.filesize";
 
+  public static final String YARN_APP_CONTAINER_LOG_BACKUPS =
+      YARN_PREFIX + "app.container.log.backups";
+
   ////////////////////////////////
   // Other Configs
   ////////////////////////////////

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-api/src/main/proto/applicationclient_protocol.proto

@@ -44,5 +44,6 @@ service ApplicationClientProtocolService {
   rpc getDelegationToken(hadoop.common.GetDelegationTokenRequestProto) returns (hadoop.common.GetDelegationTokenResponseProto);
   rpc renewDelegationToken(hadoop.common.RenewDelegationTokenRequestProto) returns (hadoop.common.RenewDelegationTokenResponseProto);
   rpc cancelDelegationToken(hadoop.common.CancelDelegationTokenRequestProto) returns (hadoop.common.CancelDelegationTokenResponseProto);
+  rpc moveApplicationAcrossQueues(MoveApplicationAcrossQueuesRequestProto) returns (MoveApplicationAcrossQueuesResponseProto);
 }
 

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-api/src/main/proto/yarn_service_protos.proto

@@ -127,6 +127,14 @@ message GetClusterMetricsResponseProto {
   optional YarnClusterMetricsProto cluster_metrics = 1;
 }
 
+message MoveApplicationAcrossQueuesRequestProto {
+  required ApplicationIdProto application_id = 1;
+  required string target_queue = 2;
+}
+
+message MoveApplicationAcrossQueuesResponseProto {
+}
+
 message GetApplicationsRequestProto {
   repeated string application_types = 1;
   repeated YarnApplicationStateProto application_states = 2;

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/ContainerRollingLogAppender.java

@@ -0,0 +1,65 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.apache.hadoop.yarn;
+
+import org.apache.hadoop.classification.InterfaceAudience.Public;
+import org.apache.hadoop.classification.InterfaceStability.Unstable;
+import org.apache.log4j.RollingFileAppender;
+
+import java.io.File;
+import java.io.Flushable;
+
+/**
+ * A simple log4j-appender for container's logs.
+ *
+ */
+@Public
+@Unstable
+public class ContainerRollingLogAppender extends RollingFileAppender
+  implements Flushable {
+  private String containerLogDir;
+
+  @Override
+  public void activateOptions() {
+    synchronized (this) {
+      setFile(new File(this.containerLogDir, "syslog").toString());
+      setAppend(true);
+      super.activateOptions();
+    }
+  }
+
+  @Override
+  public void flush() {
+    if (qw != null) {
+      qw.flush();
+    }
+  }
+
+  /**
+   * Getter/Setter methods for log4j.
+   */
+
+  public String getContainerLogDir() {
+    return this.containerLogDir;
+  }
+
+  public void setContainerLogDir(String containerLogDir) {
+    this.containerLogDir = containerLogDir;
+  }
+}

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/api/impl/pb/client/ApplicationClientProtocolPBClientImpl.java

@@ -51,6 +51,8 @@ import org.apache.hadoop.yarn.api.protocolrecords.GetQueueUserAclsInfoRequest;
 import org.apache.hadoop.yarn.api.protocolrecords.GetQueueUserAclsInfoResponse;
 import org.apache.hadoop.yarn.api.protocolrecords.KillApplicationRequest;
 import org.apache.hadoop.yarn.api.protocolrecords.KillApplicationResponse;
+import org.apache.hadoop.yarn.api.protocolrecords.MoveApplicationAcrossQueuesRequest;
+import org.apache.hadoop.yarn.api.protocolrecords.MoveApplicationAcrossQueuesResponse;
 import org.apache.hadoop.yarn.api.protocolrecords.RenewDelegationTokenRequest;
 import org.apache.hadoop.yarn.api.protocolrecords.RenewDelegationTokenResponse;
 import org.apache.hadoop.yarn.api.protocolrecords.SubmitApplicationRequest;
@@ -75,6 +77,8 @@ import org.apache.hadoop.yarn.api.protocolrecords.impl.pb.GetQueueUserAclsInfoRe
 import org.apache.hadoop.yarn.api.protocolrecords.impl.pb.GetQueueUserAclsInfoResponsePBImpl;
 import org.apache.hadoop.yarn.api.protocolrecords.impl.pb.KillApplicationRequestPBImpl;
 import org.apache.hadoop.yarn.api.protocolrecords.impl.pb.KillApplicationResponsePBImpl;
+import org.apache.hadoop.yarn.api.protocolrecords.impl.pb.MoveApplicationAcrossQueuesRequestPBImpl;
+import org.apache.hadoop.yarn.api.protocolrecords.impl.pb.MoveApplicationAcrossQueuesResponsePBImpl;
 import org.apache.hadoop.yarn.api.protocolrecords.impl.pb.RenewDelegationTokenRequestPBImpl;
 import org.apache.hadoop.yarn.api.protocolrecords.impl.pb.RenewDelegationTokenResponsePBImpl;
 import org.apache.hadoop.yarn.api.protocolrecords.impl.pb.SubmitApplicationRequestPBImpl;
@@ -89,6 +93,7 @@ import org.apache.hadoop.yarn.proto.YarnServiceProtos.GetNewApplicationRequestPr
 import org.apache.hadoop.yarn.proto.YarnServiceProtos.GetQueueInfoRequestProto;
 import org.apache.hadoop.yarn.proto.YarnServiceProtos.GetQueueUserAclsInfoRequestProto;
 import org.apache.hadoop.yarn.proto.YarnServiceProtos.KillApplicationRequestProto;
+import org.apache.hadoop.yarn.proto.YarnServiceProtos.MoveApplicationAcrossQueuesRequestProto;
 import org.apache.hadoop.yarn.proto.YarnServiceProtos.SubmitApplicationRequestProto;
 
 import com.google.protobuf.ServiceException;
@@ -291,4 +296,20 @@ public class ApplicationClientProtocolPBClientImpl implements ApplicationClientP
       return null;
     }
   }
+  
+  @Override
+  public MoveApplicationAcrossQueuesResponse moveApplicationAcrossQueues(
+      MoveApplicationAcrossQueuesRequest request) throws YarnException,
+      IOException {
+    MoveApplicationAcrossQueuesRequestProto requestProto =
+        ((MoveApplicationAcrossQueuesRequestPBImpl) request).getProto();
+    try {
+      return new MoveApplicationAcrossQueuesResponsePBImpl(
+          proxy.moveApplicationAcrossQueues(null, requestProto));
+
+    } catch (ServiceException e) {
+      RPCUtil.unwrapAndThrowException(e);
+      return null;
+    }
+  }
 }

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/api/impl/pb/service/ApplicationClientProtocolPBServiceImpl.java

@@ -39,6 +39,7 @@ import org.apache.hadoop.yarn.api.protocolrecords.GetNewApplicationResponse;
 import org.apache.hadoop.yarn.api.protocolrecords.GetQueueInfoResponse;
 import org.apache.hadoop.yarn.api.protocolrecords.GetQueueUserAclsInfoResponse;
 import org.apache.hadoop.yarn.api.protocolrecords.KillApplicationResponse;
+import org.apache.hadoop.yarn.api.protocolrecords.MoveApplicationAcrossQueuesResponse;
 import org.apache.hadoop.yarn.api.protocolrecords.RenewDelegationTokenResponse;
 import org.apache.hadoop.yarn.api.protocolrecords.SubmitApplicationResponse;
 import org.apache.hadoop.yarn.api.protocolrecords.impl.pb.CancelDelegationTokenRequestPBImpl;
@@ -61,6 +62,8 @@ import org.apache.hadoop.yarn.api.protocolrecords.impl.pb.GetQueueUserAclsInfoRe
 import org.apache.hadoop.yarn.api.protocolrecords.impl.pb.GetQueueUserAclsInfoResponsePBImpl;
 import org.apache.hadoop.yarn.api.protocolrecords.impl.pb.KillApplicationRequestPBImpl;
 import org.apache.hadoop.yarn.api.protocolrecords.impl.pb.KillApplicationResponsePBImpl;
+import org.apache.hadoop.yarn.api.protocolrecords.impl.pb.MoveApplicationAcrossQueuesRequestPBImpl;
+import org.apache.hadoop.yarn.api.protocolrecords.impl.pb.MoveApplicationAcrossQueuesResponsePBImpl;
 import org.apache.hadoop.yarn.api.protocolrecords.impl.pb.RenewDelegationTokenRequestPBImpl;
 import org.apache.hadoop.yarn.api.protocolrecords.impl.pb.RenewDelegationTokenResponsePBImpl;
 import org.apache.hadoop.yarn.api.protocolrecords.impl.pb.SubmitApplicationRequestPBImpl;
@@ -82,6 +85,8 @@ import org.apache.hadoop.yarn.proto.YarnServiceProtos.GetQueueUserAclsInfoReques
 import org.apache.hadoop.yarn.proto.YarnServiceProtos.GetQueueUserAclsInfoResponseProto;
 import org.apache.hadoop.yarn.proto.YarnServiceProtos.KillApplicationRequestProto;
 import org.apache.hadoop.yarn.proto.YarnServiceProtos.KillApplicationResponseProto;
+import org.apache.hadoop.yarn.proto.YarnServiceProtos.MoveApplicationAcrossQueuesRequestProto;
+import org.apache.hadoop.yarn.proto.YarnServiceProtos.MoveApplicationAcrossQueuesResponseProto;
 import org.apache.hadoop.yarn.proto.YarnServiceProtos.SubmitApplicationRequestProto;
 import org.apache.hadoop.yarn.proto.YarnServiceProtos.SubmitApplicationResponseProto;
 
@@ -278,4 +283,20 @@ public class ApplicationClientProtocolPBServiceImpl implements ApplicationClient
         throw new ServiceException(e);
       }
   }
+  
+  @Override
+  public MoveApplicationAcrossQueuesResponseProto moveApplicationAcrossQueues(
+      RpcController controller, MoveApplicationAcrossQueuesRequestProto proto)
+      throws ServiceException {
+    MoveApplicationAcrossQueuesRequestPBImpl request =
+        new MoveApplicationAcrossQueuesRequestPBImpl(proto);
+    try {
+      MoveApplicationAcrossQueuesResponse response = real.moveApplicationAcrossQueues(request);
+      return ((MoveApplicationAcrossQueuesResponsePBImpl)response).getProto();
+    } catch (YarnException e) {
+      throw new ServiceException(e);
+    } catch (IOException e) {
+      throw new ServiceException(e);
+    }
+  }
 }

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/api/protocolrecords/impl/pb/MoveApplicationAcrossQueuesRequestPBImpl.java

@@ -0,0 +1,158 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.apache.hadoop.yarn.api.protocolrecords.impl.pb;
+
+import org.apache.hadoop.classification.InterfaceAudience.Private;
+import org.apache.hadoop.classification.InterfaceStability.Unstable;
+import org.apache.hadoop.yarn.api.protocolrecords.MoveApplicationAcrossQueuesRequest;
+import org.apache.hadoop.yarn.api.records.ApplicationId;
+import org.apache.hadoop.yarn.api.records.impl.pb.ApplicationIdPBImpl;
+import org.apache.hadoop.yarn.proto.YarnProtos.ApplicationIdProto;
+import org.apache.hadoop.yarn.proto.YarnServiceProtos.MoveApplicationAcrossQueuesRequestProto;
+import org.apache.hadoop.yarn.proto.YarnServiceProtos.MoveApplicationAcrossQueuesRequestProtoOrBuilder;
+
+import com.google.protobuf.TextFormat;
+
+@Private
+@Unstable
+public class MoveApplicationAcrossQueuesRequestPBImpl extends MoveApplicationAcrossQueuesRequest {
+  MoveApplicationAcrossQueuesRequestProto proto = MoveApplicationAcrossQueuesRequestProto.getDefaultInstance();
+  MoveApplicationAcrossQueuesRequestProto.Builder builder = null;
+  boolean viaProto = false;
+  
+  private ApplicationId applicationId;
+  private String targetQueue;
+  
+  public MoveApplicationAcrossQueuesRequestPBImpl() {
+    builder = MoveApplicationAcrossQueuesRequestProto.newBuilder();
+  }
+
+  public MoveApplicationAcrossQueuesRequestPBImpl(MoveApplicationAcrossQueuesRequestProto proto) {
+    this.proto = proto;
+    viaProto = true;
+  }
+  
+  public MoveApplicationAcrossQueuesRequestProto getProto() {
+    mergeLocalToProto();
+    proto = viaProto ? proto : builder.build();
+    viaProto = true;
+    return proto;
+  }
+  
+  @Override
+  public ApplicationId getApplicationId() {
+    if (this.applicationId != null) {
+      return this.applicationId;
+    }
+    
+    MoveApplicationAcrossQueuesRequestProtoOrBuilder p = viaProto ? proto : builder;
+    if (!p.hasApplicationId()) {
+      return null;
+    }
+    
+    this.applicationId = convertFromProtoFormat(p.getApplicationId());
+    return this.applicationId;
+  }
+  
+  @Override
+  public void setApplicationId(ApplicationId appId) {
+    maybeInitBuilder();
+    if (applicationId == null) {
+      builder.clearApplicationId();
+    }
+    applicationId = appId;
+  }
+  
+  @Override
+  public String getTargetQueue() {
+    if (this.targetQueue != null) {
+      return this.targetQueue;
+    }
+    
+    MoveApplicationAcrossQueuesRequestProtoOrBuilder p = viaProto ? proto : builder;
+    if (!p.hasApplicationId()) {
+      return null;
+    }
+    
+    this.targetQueue = p.getTargetQueue();
+    return this.targetQueue;
+  }
+  
+  @Override
+  public void setTargetQueue(String queue) {
+    maybeInitBuilder();
+    if (applicationId == null) {
+      builder.clearTargetQueue();
+    }
+    targetQueue = queue;
+  }
+  
+  private void mergeLocalToBuilder() {
+    if (applicationId != null) {
+      builder.setApplicationId(convertToProtoFormat(this.applicationId));
+    }
+    if (targetQueue != null) {
+      builder.setTargetQueue(this.targetQueue);
+    }
+  }
+
+  private void mergeLocalToProto() {
+    if (viaProto) {
+      maybeInitBuilder();
+    }
+    mergeLocalToBuilder();
+    proto = builder.build();
+    viaProto = true;
+  }
+
+  private void maybeInitBuilder() {
+    if (viaProto || builder == null) {
+      builder = MoveApplicationAcrossQueuesRequestProto.newBuilder(proto);
+    }
+    viaProto = false;
+  }
+  
+  @Override
+  public int hashCode() {
+    return getProto().hashCode();
+  }
+
+  @Override
+  public boolean equals(Object other) {
+    if (other == null) {
+      return false;
+    }
+    if (other.getClass().isAssignableFrom(this.getClass())) {
+      return this.getProto().equals(this.getClass().cast(other).getProto());
+    }
+    return false;
+  }
+
+  @Override
+  public String toString() {
+    return TextFormat.shortDebugString(getProto());
+  }
+  
+  private ApplicationIdPBImpl convertFromProtoFormat(ApplicationIdProto p) {
+    return new ApplicationIdPBImpl(p);
+  }
+
+  private ApplicationIdProto convertToProtoFormat(ApplicationId t) {
+    return ((ApplicationIdPBImpl)t).getProto();
+  }
+}

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/api/protocolrecords/impl/pb/MoveApplicationAcrossQueuesResponsePBImpl.java

@@ -0,0 +1,68 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.apache.hadoop.yarn.api.protocolrecords.impl.pb;
+
+import org.apache.hadoop.classification.InterfaceAudience.Private;
+import org.apache.hadoop.classification.InterfaceStability.Unstable;
+import org.apache.hadoop.yarn.api.protocolrecords.MoveApplicationAcrossQueuesResponse;
+import org.apache.hadoop.yarn.proto.YarnServiceProtos.MoveApplicationAcrossQueuesResponseProto;
+
+import com.google.protobuf.TextFormat;
+
+@Private
+@Unstable
+public class MoveApplicationAcrossQueuesResponsePBImpl extends MoveApplicationAcrossQueuesResponse {
+  MoveApplicationAcrossQueuesResponseProto proto = MoveApplicationAcrossQueuesResponseProto.getDefaultInstance();
+  MoveApplicationAcrossQueuesResponseProto.Builder builder = null;
+  boolean viaProto = false;
+  
+  public MoveApplicationAcrossQueuesResponsePBImpl() {
+    builder = MoveApplicationAcrossQueuesResponseProto.newBuilder();
+  }
+
+  public MoveApplicationAcrossQueuesResponsePBImpl(MoveApplicationAcrossQueuesResponseProto proto) {
+    this.proto = proto;
+    viaProto = true;
+  }
+  
+  public MoveApplicationAcrossQueuesResponseProto getProto() {
+    proto = viaProto ? proto : builder.build();
+    viaProto = true;
+    return proto;
+  }
+
+  @Override
+  public int hashCode() {
+    return getProto().hashCode();
+  }
+
+  @Override
+  public boolean equals(Object other) {
+    if (other == null)
+      return false;
+    if (other.getClass().isAssignableFrom(this.getClass())) {
+      return this.getProto().equals(this.getClass().cast(other).getProto());
+    }
+    return false;
+  }
+
+  @Override
+  public String toString() {
+    return TextFormat.shortDebugString(getProto());
+  }
+}

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/resources/yarn-default.xml

@@ -335,7 +335,7 @@
     Expirations happens when the cluster does not hear from the client within
     the specified session timeout period (i.e. no heartbeat).</description>
     <name>yarn.resourcemanager.zk-timeout-ms</name>
-    <value>60000</value>
+    <value>10000</value>
   </property>
 
   <property>

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/java/org/apache/hadoop/yarn/server/nodemanager/LinuxContainerExecutor.java

@@ -217,8 +217,6 @@ public class LinuxContainerExecutor extends ContainerExecutor {
     }
     String[] commandArray = command.toArray(new String[command.size()]);
     ShellCommandExecutor shExec = new ShellCommandExecutor(commandArray);
-    // TODO: DEBUG
-    LOG.info("initApplication: " + Arrays.toString(commandArray));
     if (LOG.isDebugEnabled()) {
       LOG.debug("initApplication: " + Arrays.toString(commandArray));
     }
@@ -274,8 +272,9 @@ public class LinuxContainerExecutor extends ContainerExecutor {
         String[] commandArray = command.toArray(new String[command.size()]);
         shExec = new ShellCommandExecutor(commandArray, null, // NM's cwd
             container.getLaunchContext().getEnvironment()); // sanitized env
-        // DEBUG
-        LOG.info("launchContainer: " + Arrays.toString(commandArray));
+        if (LOG.isDebugEnabled()) {
+          LOG.debug("launchContainer: " + Arrays.toString(commandArray));
+        }
         shExec.execute();
         if (LOG.isDebugEnabled()) {
           logOutput(shExec.getOutput());
@@ -374,7 +373,6 @@ public class LinuxContainerExecutor extends ContainerExecutor {
     }
     String[] commandArray = command.toArray(new String[command.size()]);
     ShellCommandExecutor shExec = new ShellCommandExecutor(commandArray);
-    LOG.info(" -- DEBUG -- deleteAsUser: " + Arrays.toString(commandArray));
     if (LOG.isDebugEnabled()) {
       LOG.debug("deleteAsUser: " + Arrays.toString(commandArray));
     }

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/resources/container-log4j.properties

@@ -35,6 +35,13 @@ log4j.appender.CLA.totalLogFileSize=${yarn.app.container.log.filesize}
 log4j.appender.CLA.layout=org.apache.log4j.PatternLayout
 log4j.appender.CLA.layout.ConversionPattern=%d{ISO8601} %p [%t] %c: %m%n
 
+log4j.appender.CRLA=org.apache.hadoop.yarn.ContainerRollingLogAppender
+log4j.appender.CRLA.containerLogDir=${yarn.app.container.log.dir}
+log4j.appender.CRLA.maximumFileSize=${yarn.app.container.log.filesize}
+log4j.appender.CRLA.maxBackupIndex=${yarn.app.container.log.backups}
+log4j.appender.CRLA.layout=org.apache.log4j.PatternLayout
+log4j.appender.CRLA.layout.ConversionPattern=%d{ISO8601} %p [%t] %c: %m%n
+
 #
 # Event Counter Appender
 # Sends counts of logging messages at different severity levels to Hadoop Metrics.

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/ClientRMService.java

@@ -64,6 +64,8 @@ import org.apache.hadoop.yarn.api.protocolrecords.GetQueueUserAclsInfoRequest;
 import org.apache.hadoop.yarn.api.protocolrecords.GetQueueUserAclsInfoResponse;
 import org.apache.hadoop.yarn.api.protocolrecords.KillApplicationRequest;
 import org.apache.hadoop.yarn.api.protocolrecords.KillApplicationResponse;
+import org.apache.hadoop.yarn.api.protocolrecords.MoveApplicationAcrossQueuesRequest;
+import org.apache.hadoop.yarn.api.protocolrecords.MoveApplicationAcrossQueuesResponse;
 import org.apache.hadoop.yarn.api.protocolrecords.RenewDelegationTokenRequest;
 import org.apache.hadoop.yarn.api.protocolrecords.RenewDelegationTokenResponse;
 import org.apache.hadoop.yarn.api.protocolrecords.SubmitApplicationRequest;
@@ -683,6 +685,12 @@ public class ClientRMService extends AbstractService implements
       throw RPCUtil.getRemoteException(e);
     }
   }
+  
+  @Override
+  public MoveApplicationAcrossQueuesResponse moveApplicationAcrossQueues(
+      MoveApplicationAcrossQueuesRequest request) throws YarnException {
+    throw new UnsupportedOperationException("Move not yet supported");
+  }
 
   private String getRenewerForToken(Token<RMDelegationTokenIdentifier> token)
       throws IOException {