HDFS-3514. Add missing TestParallelLocalRead. Contributed by Henry Robinson.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1348207 13f79535-47bb-0310-9956-ffa450edef68

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

@@ -90,6 +90,8 @@ Trunk (unreleased changes)
     HDFS-3040. TestMulitipleNNDataBlockScanner is misspelled. (Madhukara Phatak
     via atm)
 
+    HDFS-3514. Add missing TestParallelLocalRead. (Henry Robinson via atm)
+
   OPTIMIZATIONS
 
     HDFS-2834. Add a ByteBuffer-based read API to DFSInputStream.

hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/TestParallelLocalRead.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.hdfs;
+
+import java.io.IOException;
+
+import org.apache.hadoop.security.UserGroupInformation;
+import org.junit.AfterClass;
+import org.junit.BeforeClass;
+import org.junit.Test;
+
+public class TestParallelLocalRead extends TestParallelReadUtil {
+
+  @BeforeClass
+  static public void setupCluster() throws Exception {
+    HdfsConfiguration conf = new HdfsConfiguration();
+
+    conf.setBoolean(DFSConfigKeys.DFS_CLIENT_READ_SHORTCIRCUIT_KEY, true);
+    conf.setBoolean(DFSConfigKeys.DFS_CLIENT_READ_SHORTCIRCUIT_SKIP_CHECKSUM_KEY,
+        false);
+    conf.set(DFSConfigKeys.DFS_BLOCK_LOCAL_PATH_ACCESS_USER_KEY,
+        UserGroupInformation.getCurrentUser().getShortUserName());
+
+    setupCluster(1, conf);
+  }
+
+  @AfterClass
+  static public void teardownCluster() throws Exception {
+    TestParallelReadUtil.teardownCluster();
+  }
+
+  /**
+   * Do parallel read several times with different number of files and threads.
+   *
+   * Note that while this is the only "test" in a junit sense, we're actually
+   * dispatching a lot more. Failures in the other methods (and other threads)
+   * need to be manually collected, which is inconvenient.
+   */
+  @Test
+  public void testParallelReadCopying() throws IOException {
+    runTestWorkload(new CopyingReadWorkerHelper());
+  }
+
+  @Test
+  public void testParallelReadByteBuffer() throws IOException {
+    runTestWorkload(new DirectReadWorkerHelper());
+  }
+
+  @Test
+  public void testParallelReadMixed() throws IOException {
+    runTestWorkload(new MixedWorkloadHelper());
+  }
+}