commit 27cd942d2e223d4864c1c33e7ff135cd7825fcb5

Author: Erik Steffl <steffl@yahoo-inc.com>
Date:   Fri May 7 16:23:32 2010 -0700

    HADOOP:6756 from https://issues.apache.org/jira/secure/attachment/12444008/jira.HADOOP-6756-0.20-1.patch
    
    +++ b/YAHOO-CHANGES.txt
    +    HADOOP-6756. Document (javadoc comments) and cleanup configuration
    +    keys in CommonConfigurationKeys.java (steffl)
    +


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-0.20-security-patches@1077453 13f79535-47bb-0310-9956-ffa450edef68

src/core/core-default.xml

@@ -31,6 +31,13 @@
   ordering of the filters.</description>
 </property>
 
+ <property>
+  <name>hadoop.security.group.mapping</name>
+  <value>org.apache.hadoop.security.ShellBasedUnixGroupsMapping</value>
+  <description>Class for user to group mapping (get groups for a given user)
+  </description>
+</property>
+
 <property>
   <name>hadoop.security.authorization</name>
   <value>false</value>
@@ -44,6 +51,16 @@
   </description>
 </property>
 
+<!--
+<property>
+  <name>hadoop.security.service.user.name.key</name>
+  <value></value>
+  <description>Name of the kerberos principal of the user that owns
+  a given service daemon
+  </description>
+</property>
+-->
+
 <!--- logging properties -->
 
 <property>

src/core/org/apache/hadoop/fs/CommonConfigurationKeys.java

@@ -26,112 +26,21 @@ package org.apache.hadoop.fs;
 
 public class CommonConfigurationKeys {
   
-  // The Keys
-  public static final String  IO_NATIVE_LIB_AVAILABLE_KEY =
-                                           "io.native.lib.available";
-  public static final boolean IO_NATIVE_LIB_AVAILABLE_DEFAULT = true;
-  public static final String  NET_TOPOLOGY_SCRIPT_NUMBER_ARGS_KEY =
-                                         "net.topology.script.number.args";
-  public static final int     NET_TOPOLOGY_SCRIPT_NUMBER_ARGS_DEFAULT = 100;
-
-  //FS keys
-  public static final String  FS_HOME_DIR_KEY = "fs.homeDir";
-  public static final String  FS_HOME_DIR_DEFAULT = "/user";
+  /** See src/core/core-default.xml */
   public static final String  FS_DEFAULT_NAME_KEY = "fs.defaultFS";
   public static final String  FS_DEFAULT_NAME_DEFAULT = "file:///";
-  public static final String  FS_PERMISSIONS_UMASK_KEY = "fs.permissions.umask-mode";
-  public static final int     FS_PERMISSIONS_UMASK_DEFAULT = 0022;
-  public static final String  FS_DF_INTERVAL_KEY = "fs.df.interval"; 
-  public static final long    FS_DF_INTERVAL_DEFAULT = 60000;
-
-
-  //Defaults are not specified for following keys
-  public static final String  NET_TOPOLOGY_SCRIPT_FILE_NAME_KEY = 
-                                         "net.topology.script.file.name";
-  public static final String  NET_TOPOLOGY_CONFIGURED_NODE_MAPPING_KEY =
-                                     "net.topology.configured.node.mapping";
-  public static final String  NET_TOPOLOGY_NODE_SWITCH_MAPPING_IMPL_KEY =
-                                   "net.topology.node.switch.mapping.impl";
-
-  public static final String  FS_CLIENT_BUFFER_DIR_KEY =
-                                         "fs.client.buffer.dir";
-
-  //TBD: Code is not updated to use following keys.
-  //These keys will be used in later versions
-  //
-  public static final long    FS_LOCAL_BLOCK_SIZE_DEFAULT = 32*1024*1024;
-  public static final String  FS_AUTOMATIC_CLOSE_KEY = "fs.automatic.close";
-  public static final boolean FS_AUTOMATIC_CLOSE_DEFAULT = true;
-  public static final String  FS_FILE_IMPL_KEY = "fs.file.impl";
-  public static final String  FS_FTP_HOST_KEY = "fs.ftp.host";
-  public static final String  FS_FTP_HOST_PORT_KEY = "fs.ftp.host.port";
-  public static final String  FS_TRASH_INTERVAL_KEY = "fs.trash.interval";
-  public static final long    FS_TRASH_INTERVAL_DEFAULT = 0;
-
-  public static final String  IO_MAPFILE_BLOOM_SIZE_KEY = "io.mapfile.bloom.size";
-  public static final int     IO_MAPFILE_BLOOM_SIZE_DEFAULT = 1024*1024;
-  public static final String  IO_MAPFILE_BLOOM_ERROR_RATE_KEY = 
-                                       "io.mapfile.bloom.error.rate" ;
-  public static final float   IO_MAPFILE_BLOOM_ERROR_RATE_DEFAULT = 0.005f;
-  public static final String  IO_COMPRESSION_CODEC_LZO_CLASS_KEY = "io.compression.codec.lzo.class";
-  public static final String  IO_COMPRESSION_CODEC_LZO_BUFFERSIZE_KEY = 
-                                       "io.compression.codec.lzo.buffersize";
-  public static final int     IO_COMPRESSION_CODEC_LZO_BUFFERSIZE_DEFAULT = 64*1024;
-  public static final String  IO_MAP_INDEX_INTERVAL_KEY = "io.map.index.interval";
-  public static final int     IO_MAP_INDEX_INTERVAL_DEFAULT = 128;
-  public static final String  IO_MAP_INDEX_SKIP_KEY = "io.map.index.skip";
-  public static final int     IO_MAP_INDEX_SKIP_DEFAULT = 0;
-  public static final String  IO_SEQFILE_COMPRESS_BLOCKSIZE_KEY = "io.seqfile.compress.blocksize";
-  public static final int     IO_SEQFILE_COMPRESS_BLOCKSIZE_DEFAULT = 1000000;
-  public static final String  IO_SKIP_CHECKSUM_ERRORS_KEY = "io.skip.checksum.errors";
-  public static final boolean IO_SKIP_CHECKSUM_ERRORS_DEFAULT = false;
-  public static final String  IO_SORT_MB_KEY = "io.sort.mb";
-  public static final int     IO_SORT_MB_DEFAULT = 100;
-  public static final String  IO_SORT_FACTOR_KEY = "io.sort.factor";
-  public static final int     IO_SORT_FACTOR_DEFAULT = 100;
-  public static final String  IO_SERIALIZATIONS_KEY = "io.serializations";
-
-  public static final String  TFILE_IO_CHUNK_SIZE_KEY = "tfile.io.chunk.size";
-  public static final int     TFILE_IO_CHUNK_SIZE_DEFAULT = 1024*1024;
-  public static final String  TFILE_FS_INPUT_BUFFER_SIZE_KEY = "tfile.fs.input.buffer.size";
-  public static final int     TFILE_FS_INPUT_BUFFER_SIZE_DEFAULT = 256*1024;
-  public static final String  TFILE_FS_OUTPUT_BUFFER_SIZE_KEY = "tfile.fs.output.buffer.size";
-  public static final int     TFILE_FS_OUTPUT_BUFFER_SIZE_DEFAULT = 256*1024;
-
-  public static final String  IPC_PING_INTERVAL_KEY = "ipc.ping.interval";
-  public static final int     IPC_PING_INTERVAL_DEFAULT = 60000;
-  public static final String  IPC_CLIENT_PING_KEY = "ipc.client.ping";
-  public static final boolean IPC_CLIENT_PING_DEFAULT = true;
-  public static final String  IPC_CLIENT_CONNECTION_MAXIDLETIME_KEY = 
-                                       "ipc.client.connection.maxidletime";
-  public static final int     IPC_CLIENT_CONNECTION_MAXIDLETIME_DEFAULT = 10000;
-  public static final String  IPC_CLIENT_CONNECT_MAX_RETRIES_KEY = 
-                                       "ipc.client.connect.max.retries";
-  public static final int     IPC_CLIENT_CONNECT_MAX_RETRIES_DEFAULT = 10;
-  public static final String  IPC_CLIENT_TCPNODELAY_KEY = "ipc.client.tcpnodelay";
-  public static final boolean IPC_CLIENT_TCPNODELAY_DEFAULT = false;
-  public static final String  IPC_SERVER_LISTEN_QUEUE_SIZE_KEY = 
-                                       "ipc.server.listen.queue.size";
-  public static final int     IPC_SERVER_LISTEN_QUEUE_SIZE_DEFAULT = 128;
-  public static final String  IPC_CLIENT_KILL_MAX_KEY = "ipc.client.kill.max";
-  public static final int     IPC_CLIENT_KILL_MAX_DEFAULT = 10;
-  public static final String  IPC_CLIENT_IDLETHRESHOLD_KEY = "ipc.client.idlethreshold";
-  public static final int     IPC_CLIENT_IDLETHRESHOLD_DEFAULT = 4000;
-  public static final String  IPC_SERVER_TCPNODELAY_KEY = "ipc.server.tcpnodelay";
-  public static final boolean IPC_SERVER_TCPNODELAY_DEFAULT = false;
 
-  public static final String  HADOOP_RPC_SOCKET_FACTORY_CLASS_DEFAULT_KEY = 
-                                       "hadoop.rpc.socket.factory.class.default";
-  public static final String  HADOOP_SOCKS_SERVER_KEY = "hadoop.socks.server";
-  public static final String  HADOOP_JOB_UGI_KEY = "hadoop.job.ugi";
-  public static final String  HADOOP_UTIL_HASH_TYPE_KEY = "hadoop.util.hash.type";
-  public static final String  HADOOP_UTIL_HASH_TYPE_DEFAULT = "murmur";
-  public static final String  HADOOP_SECURITY_GROUP_MAPPING = "hadoop.security.group.mapping";
-  public static final String  HADOOP_SECURITY_GROUPS_CACHE_SECS = "hadoop.security.groups.cache.secs";
-  public static final String  HADOOP_SECURITY_AUTHENTICATION = "hadoop.security.authentication";
+  /** See src/core/core-default.xml */
+  public static final String  HADOOP_SECURITY_GROUP_MAPPING =
+    "hadoop.security.group.mapping";
+  /** See src/core/core-default.xml */
+  public static final String  HADOOP_SECURITY_AUTHENTICATION =
+    "hadoop.security.authentication";
+  /** See src/core/core-default.xml */
   public static final String HADOOP_SECURITY_AUTHORIZATION =
-      "hadoop.security.authorization";
+    "hadoop.security.authorization";
+  /** See src/core/core-default.xml */
   public static final String  HADOOP_SECURITY_SERVICE_USER_NAME_KEY = 
-      "hadoop.security.service.user.name.key";
+    "hadoop.security.service.user.name.key";
 }