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Posted to common-commits@hadoop.apache.org by ac...@apache.org on 2014/11/13 19:47:49 UTC

[1/5] hadoop git commit: YARN-2635. TestRM, TestRMRestart, TestClientToAMTokens should run with both CS and FS. (Wei Yan and kasha via kasha)

Repository: hadoop
Updated Branches:
  refs/heads/branch-2.6.0 a672d7566 -> a97e9c023


YARN-2635. TestRM, TestRMRestart, TestClientToAMTokens should run with both CS and FS. (Wei Yan and kasha via kasha)

(cherry picked from commit 80d11eb68e60f88e16d7d41edecbddfc935a6b10)

Conflicts:
	hadoop-yarn-project/CHANGES.txt
	hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/security/TestClientToAMTokens.java


Project: http://git-wip-us.apache.org/repos/asf/hadoop/repo
Commit: http://git-wip-us.apache.org/repos/asf/hadoop/commit/33031c9c
Tree: http://git-wip-us.apache.org/repos/asf/hadoop/tree/33031c9c
Diff: http://git-wip-us.apache.org/repos/asf/hadoop/diff/33031c9c

Branch: refs/heads/branch-2.6.0
Commit: 33031c9cc709b61c86b1df7bea20b1ab6a23eebb
Parents: a672d75
Author: Karthik Kambatla <ka...@apache.org>
Authored: Thu Oct 2 23:20:29 2014 -0700
Committer: Arun C. Murthy <ac...@apache.org>
Committed: Thu Nov 13 10:41:33 2014 -0800

----------------------------------------------------------------------
 hadoop-yarn-project/CHANGES.txt                 |   2 -
 .../ParameterizedSchedulerTestBase.java         |  92 +++++++
 .../yarn/server/resourcemanager/TestRM.java     |  40 ++-
 .../server/resourcemanager/TestRMRestart.java   | 253 ++++++++++---------
 .../security/TestClientToAMTokens.java          |  18 +-
 5 files changed, 253 insertions(+), 152 deletions(-)
----------------------------------------------------------------------


http://git-wip-us.apache.org/repos/asf/hadoop/blob/33031c9c/hadoop-yarn-project/CHANGES.txt
----------------------------------------------------------------------
diff --git a/hadoop-yarn-project/CHANGES.txt b/hadoop-yarn-project/CHANGES.txt
index c809fd0..e42c9b2 100644
--- a/hadoop-yarn-project/CHANGES.txt
+++ b/hadoop-yarn-project/CHANGES.txt
@@ -6,8 +6,6 @@ Release 2.6.0 - 2014-11-15
 
   NEW FEATURES
 
-    YARN-1964. Create Docker analog of the LinuxContainerExecutor in YARN. (Abin 
-    Shahab via raviprak)
 
     YARN-2131. Add a way to format the RMStateStore. (Robert Kanter via kasha)
 

http://git-wip-us.apache.org/repos/asf/hadoop/blob/33031c9c/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/ParameterizedSchedulerTestBase.java
----------------------------------------------------------------------
diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/ParameterizedSchedulerTestBase.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/ParameterizedSchedulerTestBase.java
new file mode 100644
index 0000000..cfd1600
--- /dev/null
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/ParameterizedSchedulerTestBase.java
@@ -0,0 +1,92 @@
+/*
+ * 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.server.resourcemanager;
+
+import org.apache.hadoop.yarn.conf.YarnConfiguration;
+import org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.CapacityScheduler;
+import org.apache.hadoop.yarn.server.resourcemanager.scheduler.fair.FairScheduler;
+import org.apache.hadoop.yarn.server.resourcemanager.scheduler.fair.FairSchedulerConfiguration;
+
+
+import org.junit.Before;
+import org.junit.runner.RunWith;
+import org.junit.runners.Parameterized;
+
+import java.io.File;
+import java.io.FileWriter;
+import java.io.IOException;
+import java.io.PrintWriter;
+import java.util.Arrays;
+import java.util.Collection;
+
+@RunWith(Parameterized.class)
+public abstract class ParameterizedSchedulerTestBase {
+  protected final static String TEST_DIR =
+      new File(System.getProperty("test.build.data", "/tmp")).getAbsolutePath();
+  private final static String FS_ALLOC_FILE =
+      new File(TEST_DIR, "test-fs-queues.xml").getAbsolutePath();
+
+  private SchedulerType schedulerType;
+  private YarnConfiguration conf = null;
+
+  public enum SchedulerType {
+    CAPACITY, FAIR
+  }
+
+  public ParameterizedSchedulerTestBase(SchedulerType type) {
+    schedulerType = type;
+  }
+
+  public YarnConfiguration getConf() {
+    return conf;
+  }
+
+  @Parameterized.Parameters
+  public static Collection<SchedulerType[]> getParameters() {
+    return Arrays.asList(new SchedulerType[][]{
+        {SchedulerType.CAPACITY}, {SchedulerType.FAIR}});
+  }
+
+  @Before
+  public void configureScheduler() throws IOException {
+    conf = new YarnConfiguration();
+    switch (schedulerType) {
+      case CAPACITY:
+        conf.set(YarnConfiguration.RM_SCHEDULER,
+            CapacityScheduler.class.getName());
+        break;
+      case FAIR:
+        configureFairScheduler(conf);
+        break;
+    }
+  }
+
+  private void configureFairScheduler(YarnConfiguration conf) throws IOException {
+    // Disable queueMaxAMShare limitation for fair scheduler
+    PrintWriter out = new PrintWriter(new FileWriter(FS_ALLOC_FILE));
+    out.println("<?xml version=\"1.0\"?>");
+    out.println("<allocations>");
+    out.println("<queueMaxAMShareDefault>-1.0</queueMaxAMShareDefault>");
+    out.println("</allocations>");
+    out.close();
+
+    conf.set(YarnConfiguration.RM_SCHEDULER, FairScheduler.class.getName());
+    conf.set(FairSchedulerConfiguration.ALLOCATION_FILE, FS_ALLOC_FILE);
+  }
+}

http://git-wip-us.apache.org/repos/asf/hadoop/blob/33031c9c/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/TestRM.java
----------------------------------------------------------------------
diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/TestRM.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/TestRM.java
index 42a3a00..4865420 100644
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/TestRM.java
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/TestRM.java
@@ -18,6 +18,7 @@
 
 package org.apache.hadoop.yarn.server.resourcemanager;
 
+import org.junit.Before;
 import static org.mockito.Matchers.argThat;
 import static org.mockito.Mockito.doNothing;
 import static org.mockito.Mockito.spy;
@@ -65,7 +66,6 @@ import org.apache.hadoop.yarn.server.resourcemanager.rmapp.attempt.RMAppAttemptE
 import org.apache.hadoop.yarn.server.resourcemanager.rmapp.attempt.RMAppAttemptEventType;
 import org.apache.hadoop.yarn.server.resourcemanager.rmapp.attempt.RMAppAttemptState;
 import org.apache.hadoop.yarn.server.resourcemanager.rmnode.RMNode;
-import org.apache.hadoop.yarn.server.resourcemanager.scheduler.QueueMetrics;
 import org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.CapacityScheduler;
 import org.apache.hadoop.yarn.server.resourcemanager.security.NMTokenSecretManagerInRM;
 import org.apache.log4j.Level;
@@ -75,13 +75,23 @@ import org.junit.Test;
 import org.mockito.ArgumentMatcher;
 
 @SuppressWarnings({"unchecked", "rawtypes"})
-public class TestRM {
-
+public class TestRM extends ParameterizedSchedulerTestBase {
   private static final Log LOG = LogFactory.getLog(TestRM.class);
 
   // Milliseconds to sleep for when waiting for something to happen
   private final static int WAIT_SLEEP_MS = 100;
 
+  private YarnConfiguration conf;
+
+  public TestRM(SchedulerType type) {
+    super(type);
+  }
+
+  @Before
+  public void setup() {
+    conf = getConf();
+  }
+
   @After
   public void tearDown() {
     ClusterMetrics.destroy();
@@ -93,7 +103,7 @@ public class TestRM {
   public void testGetNewAppId() throws Exception {
     Logger rootLogger = LogManager.getRootLogger();
     rootLogger.setLevel(Level.DEBUG);
-    MockRM rm = new MockRM();
+    MockRM rm = new MockRM(conf);
     rm.start();
     
     GetNewApplicationResponse resp = rm.getNewAppId();
@@ -106,7 +116,7 @@ public class TestRM {
   public void testAppWithNoContainers() throws Exception {
     Logger rootLogger = LogManager.getRootLogger();
     rootLogger.setLevel(Level.DEBUG);
-    MockRM rm = new MockRM();
+    MockRM rm = new MockRM(conf);
     rm.start();
     MockNM nm1 = rm.registerNode("h1:1234", 5120);
     
@@ -128,7 +138,6 @@ public class TestRM {
   public void testAppOnMultiNode() throws Exception {
     Logger rootLogger = LogManager.getRootLogger();
     rootLogger.setLevel(Level.DEBUG);
-    YarnConfiguration conf = new YarnConfiguration();
     conf.set("yarn.scheduler.capacity.node-locality-delay", "-1");
     MockRM rm = new MockRM(conf);
     rm.start();
@@ -188,7 +197,6 @@ public class TestRM {
   // corresponding NM Token.
   @Test (timeout = 20000)
   public void testNMTokenSentForNormalContainer() throws Exception {
-    YarnConfiguration conf = new YarnConfiguration();
     conf.set(YarnConfiguration.RM_SCHEDULER,
         CapacityScheduler.class.getCanonicalName());
     MockRM rm = new MockRM(conf);
@@ -241,7 +249,7 @@ public class TestRM {
 
   @Test (timeout = 40000)
   public void testNMToken() throws Exception {
-    MockRM rm = new MockRM();
+    MockRM rm = new MockRM(conf);
     try {
       rm.start();
       MockNM nm1 = rm.registerNode("h1:1234", 10000);
@@ -425,8 +433,6 @@ public class TestRM {
 
   @Test (timeout = 300000)
   public void testActivatingApplicationAfterAddingNM() throws Exception {
-    YarnConfiguration conf = new YarnConfiguration();
-
     MockRM rm1 = new MockRM(conf);
 
     // start like normal because state is empty
@@ -472,7 +478,6 @@ public class TestRM {
   // is killed or failed, so that client doesn't get the wrong information.
   @Test (timeout = 80000)
   public void testInvalidateAMHostPortWhenAMFailedOrKilled() throws Exception {
-    YarnConfiguration conf = new YarnConfiguration();
     conf.setInt(YarnConfiguration.RM_AM_MAX_ATTEMPTS, 1);
     MockRM rm1 = new MockRM(conf);
     rm1.start();
@@ -525,7 +530,6 @@ public class TestRM {
 
   @Test (timeout = 60000)
   public void testInvalidatedAMHostPortOnAMRestart() throws Exception {
-    YarnConfiguration conf = new YarnConfiguration();
     MockRM rm1 = new MockRM(conf);
     rm1.start();
     MockNM nm1 =
@@ -558,7 +562,6 @@ public class TestRM {
   @Test (timeout = 60000)
   public void testApplicationKillAtAcceptedState() throws Exception {
 
-    YarnConfiguration conf = new YarnConfiguration();
     final Dispatcher dispatcher = new AsyncDispatcher() {
       @Override
       public EventHandler getEventHandler() {
@@ -635,15 +638,4 @@ public class TestRM {
     Assert.assertEquals(appsSubmitted + 1, metrics.getAppsSubmitted());
   }
 
-  public static void main(String[] args) throws Exception {
-    TestRM t = new TestRM();
-    t.testGetNewAppId();
-    t.testAppWithNoContainers();
-    t.testAppOnMultiNode();
-    t.testNMToken();
-    t.testActivatingApplicationAfterAddingNM();
-    t.testInvalidateAMHostPortWhenAMFailedOrKilled();
-    t.testInvalidatedAMHostPortOnAMRestart();
-    t.testApplicationKillAtAcceptedState();
-  }
 }

http://git-wip-us.apache.org/repos/asf/hadoop/blob/33031c9c/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/TestRMRestart.java
----------------------------------------------------------------------
diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/TestRMRestart.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/TestRMRestart.java
index b93631f..a0f8627 100644
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/TestRMRestart.java
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/TestRMRestart.java
@@ -29,7 +29,6 @@ import java.io.File;
 import java.io.FileOutputStream;
 import java.io.IOException;
 import java.net.InetSocketAddress;
-import java.net.UnknownHostException;
 import java.nio.ByteBuffer;
 import java.util.ArrayList;
 import java.util.Arrays;
@@ -108,7 +107,7 @@ import org.junit.Assert;
 import org.junit.Before;
 import org.junit.Test;
 
-public class TestRMRestart {
+public class TestRMRestart extends ParameterizedSchedulerTestBase {
   private final static File TEMP_DIR = new File(System.getProperty(
     "test.build.data", "/tmp"), "decommision");
   private File hostFile = new File(TEMP_DIR + File.separator + "hostFile.txt");
@@ -116,12 +115,17 @@ public class TestRMRestart {
 
   // Fake rmAddr for token-renewal
   private static InetSocketAddress rmAddr;
+  private List<MockRM> rms = new ArrayList<MockRM>();
+
+  public TestRMRestart(SchedulerType type) {
+    super(type);
+  }
 
   @Before
-  public void setup() throws UnknownHostException {
+  public void setup() throws IOException {
+    conf = getConf();
     Logger rootLogger = LogManager.getRootLogger();
     rootLogger.setLevel(Level.DEBUG);
-    conf = new YarnConfiguration();
     UserGroupInformation.setConfiguration(conf);
     conf.set(YarnConfiguration.RECOVERY_ENABLED, "true");
     conf.set(YarnConfiguration.RM_STORE, MemoryRMStateStore.class.getName());
@@ -131,9 +135,24 @@ public class TestRMRestart {
 
   @After
   public void tearDown() {
+    for (MockRM rm : rms) {
+      rm.stop();
+    }
+    rms.clear();
+
     TEMP_DIR.delete();
   }
 
+  /**
+   *
+   * @return a new MockRM that will be stopped at the end of the test.
+   */
+  private MockRM createMockRM(YarnConfiguration conf, RMStateStore store) {
+    MockRM rm = new MockRM(conf, store);
+    rms.add(rm);
+    return rm;
+  }
+
   @SuppressWarnings("rawtypes")
   @Test (timeout=180000)
   public void testRMRestart() throws Exception {
@@ -150,7 +169,7 @@ public class TestRMRestart {
     // PHASE 1: create state in an RM
     
     // start RM
-    MockRM rm1 = new MockRM(conf, memStore);
+    MockRM rm1 = createMockRM(conf, memStore);
     
     // start like normal because state is empty
     rm1.start();
@@ -246,7 +265,7 @@ public class TestRMRestart {
     // PHASE 2: create new RM and start from old state
     
     // create new RM to represent restart and recover state
-    MockRM rm2 = new MockRM(conf, memStore);
+    MockRM rm2 = createMockRM(conf, memStore);
     
     // start new RM
     rm2.start();
@@ -317,7 +336,7 @@ public class TestRMRestart {
     NMContainerStatus status =
         TestRMRestart
           .createNMContainerStatus(loadedApp1.getCurrentAppAttempt()
-            .getAppAttemptId(), 1, ContainerState.COMPLETE);
+              .getAppAttemptId(), 1, ContainerState.COMPLETE);
     nm1.registerNode(Arrays.asList(status), null);
     nm2.registerNode();
     
@@ -414,7 +433,7 @@ public class TestRMRestart {
         rmState.getApplicationState();
 
     // start RM
-    MockRM rm1 = new MockRM(conf, memStore);
+    MockRM rm1 = createMockRM(conf, memStore);
     rm1.start();
     MockNM nm1 =
         new MockNM("127.0.0.1:1234", 15120, rm1.getResourceTrackerService());
@@ -443,13 +462,11 @@ public class TestRMRestart {
     rm1.waitForState(app0.getApplicationId(), RMAppState.ACCEPTED);
 
     // start new RM
-    MockRM rm2 = new MockRM(conf, memStore);
+    MockRM rm2 = createMockRM(conf, memStore);
     rm2.start();
     // assert the previous AM state is loaded back on RM recovery.
 
     rm2.waitForState(am0.getApplicationAttemptId(), RMAppAttemptState.FAILED);
-    rm1.stop();
-    rm2.stop();
   }
 
   @Test (timeout = 60000)
@@ -473,7 +490,7 @@ public class TestRMRestart {
         rmState.getApplicationState();
     
     // start RM
-    final MockRM rm1 = new MockRM(conf, memStore);
+    final MockRM rm1 = createMockRM(conf, memStore);
     rm1.start();
     MockNM nm1 =
         new MockNM("127.0.0.1:1234" , 16382, rm1.getResourceTrackerService());
@@ -497,8 +514,7 @@ public class TestRMRestart {
         .getAppAttemptState(), RMAppAttemptState.RUNNING);
 
     //  start new RM.
-    MockRM rm2 = null;
-    rm2 = new MockRM(conf, memStore);
+    MockRM rm2 = createMockRM(conf, memStore);
     rm2.start();
     
     nm1.setResourceTrackerService(rm2.getResourceTrackerService());
@@ -525,7 +541,7 @@ public class TestRMRestart {
 
     NMContainerStatus status =
         TestRMRestart.createNMContainerStatus(
-          am2.getApplicationAttemptId(), 1, ContainerState.COMPLETE);
+            am2.getApplicationAttemptId(), 1, ContainerState.COMPLETE);
     nm1.registerNode(Arrays.asList(status), null);
     rm2.waitForState(am2.getApplicationAttemptId(), RMAppAttemptState.FAILED);
     launchAM(rmApp, rm2, nm1);
@@ -535,8 +551,7 @@ public class TestRMRestart {
     // Now restart RM ...
     // Setting AMLivelinessMonitor interval to be 10 Secs. 
     conf.setInt(YarnConfiguration.RM_AM_EXPIRY_INTERVAL_MS, 10000);
-    MockRM rm3 = null;
-    rm3 = new MockRM(conf, memStore);
+    MockRM rm3 = createMockRM(conf, memStore);
     rm3.start();
     
     // Wait for RM to process all the events as a part of rm recovery.
@@ -583,8 +598,7 @@ public class TestRMRestart {
         memStore.getState().getApplicationState().get(app2.getApplicationId())
             .getAttemptCount());
 
-    MockRM rm4 = null;
-    rm4 = new MockRM(conf, memStore);
+    MockRM rm4 = createMockRM(conf, memStore);
     rm4.start();
     
     rmApp = rm4.getRMContext().getRMApps().get(app1.getApplicationId());
@@ -640,7 +654,7 @@ public class TestRMRestart {
         rmState.getApplicationState();
 
     // start RM
-    MockRM rm1 = new MockRM(conf, memStore);
+    MockRM rm1 = createMockRM(conf, memStore);
     rm1.start();
     MockNM nm1 = rm1.registerNode("127.0.0.1:1234", 15120);
     RMApp app0 = rm1.submitApp(200);
@@ -657,7 +671,7 @@ public class TestRMRestart {
     Assert.assertNull(rmAppState.get(app0.getApplicationId()).getState());
 
     // start RM
-    MockRM rm2 = new MockRM(conf, memStore);
+    MockRM rm2 = createMockRM(conf, memStore);
     nm1.setResourceTrackerService(rm2.getResourceTrackerService());
     rm2.start();
 
@@ -666,7 +680,7 @@ public class TestRMRestart {
     rm2.waitForState(app0.getApplicationId(), RMAppState.FINISHED);
     // app final state is saved via the finish event from attempt.
     Assert.assertEquals(RMAppState.FINISHED,
-      rmAppState.get(app0.getApplicationId()).getState());
+        rmAppState.get(app0.getApplicationId()).getState());
   }
 
   @Test (timeout = 60000)
@@ -679,7 +693,7 @@ public class TestRMRestart {
         rmState.getApplicationState();
 
     // start RM
-    MockRM rm1 = new MockRM(conf, memStore);
+    MockRM rm1 = createMockRM(conf, memStore);
     rm1.start();
     MockNM nm1 =
         new MockNM("127.0.0.1:1234", 15120, rm1.getResourceTrackerService());
@@ -701,7 +715,7 @@ public class TestRMRestart {
       appState.getAttempt(am0.getApplicationAttemptId()).getState());
 
     // start new RM
-    MockRM rm2 = new MockRM(conf, memStore);
+    MockRM rm2 = createMockRM(conf, memStore);
     rm2.start();
     RMApp loadedApp0 = rm2.getRMContext().getRMApps().get(app0.getApplicationId());
     rm2.waitForState(app0.getApplicationId(), RMAppState.FAILED);
@@ -714,8 +728,6 @@ public class TestRMRestart {
       .contains("Failing the application."));
     // failed diagnostics from attempt is lost because the diagnostics from
     // attempt is not yet available by the time app is saving the app state.
-    rm1.stop();
-    rm2.stop();
   }
 
   @Test (timeout = 60000)
@@ -729,7 +741,7 @@ public class TestRMRestart {
         rmState.getApplicationState();
 
     // start RM
-    MockRM rm1 = new MockRM(conf, memStore);
+    MockRM rm1 = createMockRM(conf, memStore);
     rm1.start();
     MockNM nm1 =
         new MockNM("127.0.0.1:1234", 15120, rm1.getResourceTrackerService());
@@ -751,7 +763,7 @@ public class TestRMRestart {
       appState.getAttempt(am0.getApplicationAttemptId()).getState());
 
     // restart rm
-    MockRM rm2 = new MockRM(conf, memStore);
+    MockRM rm2 = createMockRM(conf, memStore);
     rm2.start();
     RMApp loadedApp0 = rm2.getRMContext().getRMApps().get(app0.getApplicationId());
     rm2.waitForState(app0.getApplicationId(), RMAppState.KILLED);
@@ -761,9 +773,7 @@ public class TestRMRestart {
 
     ApplicationReport appReport = verifyAppReportAfterRMRestart(app0, rm2);
     Assert.assertEquals(app0.getDiagnostics().toString(),
-      appReport.getDiagnostics());
-    rm1.stop();
-    rm2.stop();
+        appReport.getDiagnostics());
   }
 
   @Test (timeout = 60000)
@@ -786,7 +796,7 @@ public class TestRMRestart {
     memStore.init(conf);
 
     // start RM
-    MockRM rm1 = new MockRM(conf, memStore);
+    MockRM rm1 = createMockRM(conf, memStore);
     rm1.start();
     // create app
     RMApp app0 =
@@ -798,7 +808,7 @@ public class TestRMRestart {
     rm1.waitForState(app0.getApplicationId(), RMAppState.KILLED);
 
     // restart rm
-    MockRM rm2 = new MockRM(conf, memStore);
+    MockRM rm2 = createMockRM(conf, memStore);
     rm2.start();
     RMApp loadedApp0 =
         rm2.getRMContext().getRMApps().get(app0.getApplicationId());
@@ -817,7 +827,7 @@ public class TestRMRestart {
         rmState.getApplicationState();
 
     // start RM
-    MockRM rm1 = new MockRM(conf, memStore);
+    MockRM rm1 = createMockRM(conf, memStore);
     rm1.start();
     MockNM nm1 =
         new MockNM("127.0.0.1:1234", 15120, rm1.getResourceTrackerService());
@@ -844,7 +854,7 @@ public class TestRMRestart {
     Assert.assertEquals(app0.getFinishTime(), appState.getFinishTime());
 
     // restart rm
-    MockRM rm2 = new MockRM(conf, memStore);
+    MockRM rm2 = createMockRM(conf, memStore);
     rm2.start();
 
     // verify application report returns the same app info as the app info
@@ -853,9 +863,6 @@ public class TestRMRestart {
     Assert.assertEquals(FinalApplicationStatus.SUCCEEDED,
       appReport.getFinalApplicationStatus());
     Assert.assertEquals("trackingUrl", appReport.getOriginalTrackingUrl());
-
-    rm1.stop();
-    rm2.stop();
   }
 
   @Test (timeout = 60000)
@@ -865,7 +872,7 @@ public class TestRMRestart {
     memStore.init(conf);
 
     // start RM
-    MockRM rm1 = new MockRM(conf, memStore);
+    MockRM rm1 = createMockRM(conf, memStore);
     rm1.start();
     MockNM nm1 =
         new MockNM("127.0.0.1:1234", 15120, rm1.getResourceTrackerService());
@@ -902,7 +909,7 @@ public class TestRMRestart {
         return spy(super.createRMAppManager());
       }
     };
-
+    rms.add(rm2);
     rm2.start();
 
     GetApplicationsRequest request1 =
@@ -949,9 +956,6 @@ public class TestRMRestart {
     // check application summary is logged for the completed apps after RM restart.
     verify(rm2.getRMAppManager(), times(3)).logApplicationSummary(
       isA(ApplicationId.class));
-
-    rm1.stop();
-    rm2.stop();
   }
 
   private MockAM launchAM(RMApp app, MockRM rm, MockNM nm)
@@ -1017,7 +1021,7 @@ public class TestRMRestart {
 
     Map<ApplicationId, ApplicationState> rmAppState =
         rmState.getApplicationState();  
-    MockRM rm1 = new MockRM(conf, memStore);
+    MockRM rm1 = createMockRM(conf, memStore);
     rm1.start();
     MockNM nm1 =
         new MockNM("127.0.0.1:1234", 15120, rm1.getResourceTrackerService());
@@ -1055,7 +1059,7 @@ public class TestRMRestart {
     // Setting AMLivelinessMonitor interval to be 3 Secs.
     conf.setInt(YarnConfiguration.RM_AM_EXPIRY_INTERVAL_MS, 3000);
     // start new RM   
-    MockRM rm2 = new MockRM(conf, memStore);
+    MockRM rm2 = createMockRM(conf, memStore);
     rm2.start();
 
     // verify that maxAppAttempts is set to global value
@@ -1074,10 +1078,6 @@ public class TestRMRestart {
     Assert.assertEquals(RMAppState.FAILED,
       rmAppState.get(app1.getApplicationId()).getState());
     Assert.assertNull(rmAppState.get(app2.getApplicationId()).getState());
-
-    // stop the RM  
-    rm1.stop();
-    rm2.stop();
   }
 
   @Test (timeout = 60000)
@@ -1159,10 +1159,6 @@ public class TestRMRestart {
     // verify tokens are properly populated back to rm2 DelegationTokenRenewer
     Assert.assertEquals(tokenSet, rm2.getRMContext()
       .getDelegationTokenRenewer().getDelegationTokens());
-
-    // stop the RM
-    rm1.stop();
-    rm2.stop();
   }
 
   private void waitForTokensToBeRenewed(MockRM rm2) throws Exception {
@@ -1258,8 +1254,6 @@ public class TestRMRestart {
     Assert.assertArrayEquals(amrmToken.getPassword(),
       rm2.getRMContext().getAMRMTokenSecretManager().retrievePassword(
         amrmToken.decodeIdentifier()));
-    rm1.stop();
-    rm2.stop();
   }
 
   @Test (timeout = 60000)
@@ -1407,10 +1401,6 @@ public class TestRMRestart {
       .getAllTokens();
     Assert.assertFalse(allTokensRM2.containsKey(dtId1));
     Assert.assertFalse(rmDTState.containsKey(dtId1));
-
-    // stop the RM
-    rm1.stop();
-    rm2.stop();
   }
 
   // This is to test submit an application to the new RM with the old delegation
@@ -1471,7 +1461,7 @@ public class TestRMRestart {
     memStore.init(conf);
 
     // start RM
-    final MockRM rm1 = new MockRM(conf, memStore);
+    final MockRM rm1 = createMockRM(conf, memStore);
     rm1.start();
 
     // create apps.
@@ -1517,7 +1507,7 @@ public class TestRMRestart {
     RMState rmState = memStore.getState();
 
     // start RM
-    MockRM rm1 = new MockRM(conf, memStore);
+    MockRM rm1 = createMockRM(conf, memStore);
     rm1.start();
     MockNM nm1 =
         new MockNM("127.0.0.1:1234", 15120, rm1.getResourceTrackerService());
@@ -1528,7 +1518,7 @@ public class TestRMRestart {
     MockAM am0 = launchAM(app0, rm1, nm1);
     finishApplicationMaster(app0, rm1, nm1, am0);
 
-    MockRM rm2 = new MockRM(conf, memStore);
+    MockRM rm2 = createMockRM(conf, memStore);
     rm2.start();
     nm1.setResourceTrackerService(rm2.getResourceTrackerService());
     nm1 = rm2.registerNode("127.0.0.1:1234", 15120);
@@ -1550,9 +1540,6 @@ public class TestRMRestart {
     Assert.assertNull(rm2.getRMContext().getRMApps()
       .get(app0.getApplicationId()));
     Assert.assertNull(rmAppState.get(app0.getApplicationId()));
-
-    rm1.stop();
-    rm2.stop();
   }
 
   // This is to test RM does not get hang on shutdown.
@@ -1569,7 +1556,7 @@ public class TestRMRestart {
     memStore.init(conf);
     MockRM rm1 = null;
     try {
-      rm1 = new MockRM(conf, memStore);
+      rm1 = createMockRM(conf, memStore);
       rm1.start();
       Assert.fail();
     } catch (Exception e) {
@@ -1587,7 +1574,7 @@ public class TestRMRestart {
     memStore.init(conf);
 
     // start RM
-    MockRM rm1 = new MockRM(conf, memStore);
+    MockRM rm1 = createMockRM(conf, memStore);
     rm1.start();
     MockNM nm1 =
         new MockNM("127.0.0.1:1234", 15120, rm1.getResourceTrackerService());
@@ -1703,7 +1690,11 @@ public class TestRMRestart {
         }
       }
     };
-    rm1.start();
+    try {
+      rm1.start();
+    } finally {
+      rm1.stop();
+    }
   }
 
   @SuppressWarnings("resource")
@@ -1716,7 +1707,7 @@ public class TestRMRestart {
 
     // PHASE 1: create state in an RM
     // start RM
-    MockRM rm1 = new MockRM(conf, memStore);
+    MockRM rm1 = createMockRM(conf, memStore);
     rm1.start();
     MockNM nm1 =
         new MockNM("127.0.0.1:1234", 15120, rm1.getResourceTrackerService());
@@ -1754,7 +1745,7 @@ public class TestRMRestart {
 
     // PHASE 2: create new RM and start from old state
     // create new RM to represent restart and recover state
-    MockRM rm2 = new MockRM(conf, memStore);
+    MockRM rm2 = createMockRM(conf, memStore);
     QueueMetrics qm2 = rm2.getResourceScheduler().getRootQueueMetrics();
     resetQueueMetrics(qm2);
     assertQueueMetrics(qm2, 0, 0, 0, 0);
@@ -1770,7 +1761,7 @@ public class TestRMRestart {
     NMContainerStatus status =
         TestRMRestart
           .createNMContainerStatus(loadedApp1.getCurrentAppAttempt()
-            .getAppAttemptId(), 1, ContainerState.COMPLETE);
+              .getAppAttemptId(), 1, ContainerState.COMPLETE);
     nm1.registerNode(Arrays.asList(status), null);
 
     while (loadedApp1.getAppAttempts().size() != 2) {
@@ -1799,10 +1790,6 @@ public class TestRMRestart {
     // finish the AMs
     finishApplicationMaster(loadedApp1, rm2, nm1, am1);
     assertQueueMetrics(qm2, 1, 0, 0, 1);
-
-    // stop RM's
-    rm2.stop();
-    rm1.stop();
   }
 
 
@@ -1840,43 +1827,58 @@ public class TestRMRestart {
       hostFile.getAbsolutePath());
     writeToHostsFile("");
     final DrainDispatcher dispatcher = new DrainDispatcher();
-    MockRM rm1 = new MockRM(conf) {
-      @Override
-      protected Dispatcher createDispatcher() {
-        return dispatcher;
+    MockRM rm1 = null, rm2 = null;
+    try {
+      rm1 = new MockRM(conf) {
+        @Override
+        protected Dispatcher createDispatcher() {
+          return dispatcher;
+        }
+      };
+      rm1.start();
+      MockNM nm1 = rm1.registerNode("localhost:1234", 8000);
+      MockNM nm2 = rm1.registerNode("host2:1234", 8000);
+      Assert
+          .assertEquals(0,
+              ClusterMetrics.getMetrics().getNumDecommisionedNMs());
+      String ip = NetUtils.normalizeHostName("localhost");
+      // Add 2 hosts to exclude list.
+      writeToHostsFile("host2", ip);
+
+      // refresh nodes
+      rm1.getNodesListManager().refreshNodes(conf);
+      NodeHeartbeatResponse nodeHeartbeat = nm1.nodeHeartbeat(true);
+      Assert
+          .assertTrue(
+              NodeAction.SHUTDOWN.equals(nodeHeartbeat.getNodeAction()));
+      nodeHeartbeat = nm2.nodeHeartbeat(true);
+      Assert.assertTrue("The decommisioned metrics are not updated",
+          NodeAction.SHUTDOWN.equals(nodeHeartbeat.getNodeAction()));
+
+      dispatcher.await();
+      Assert
+          .assertEquals(2,
+              ClusterMetrics.getMetrics().getNumDecommisionedNMs());
+      rm1.stop();
+      rm1 = null;
+      Assert
+          .assertEquals(0,
+              ClusterMetrics.getMetrics().getNumDecommisionedNMs());
+
+      // restart RM.
+      rm2 = new MockRM(conf);
+      rm2.start();
+      Assert
+          .assertEquals(2,
+              ClusterMetrics.getMetrics().getNumDecommisionedNMs());
+    } finally {
+      if (rm1 != null) {
+        rm1.stop();
       }
-    };
-    rm1.start();
-    MockNM nm1 = rm1.registerNode("localhost:1234", 8000);
-    MockNM nm2 = rm1.registerNode("host2:1234", 8000);
-    Assert
-      .assertEquals(0, ClusterMetrics.getMetrics().getNumDecommisionedNMs());
-    String ip = NetUtils.normalizeHostName("localhost");
-    // Add 2 hosts to exclude list.
-    writeToHostsFile("host2", ip);
-
-    // refresh nodes
-    rm1.getNodesListManager().refreshNodes(conf);
-    NodeHeartbeatResponse nodeHeartbeat = nm1.nodeHeartbeat(true);
-    Assert
-        .assertTrue(NodeAction.SHUTDOWN.equals(nodeHeartbeat.getNodeAction()));
-    nodeHeartbeat = nm2.nodeHeartbeat(true);
-    Assert.assertTrue("The decommisioned metrics are not updated",
-        NodeAction.SHUTDOWN.equals(nodeHeartbeat.getNodeAction()));
-
-    dispatcher.await();
-    Assert
-      .assertEquals(2, ClusterMetrics.getMetrics().getNumDecommisionedNMs());
-    rm1.stop();
-    Assert
-        .assertEquals(0, ClusterMetrics.getMetrics().getNumDecommisionedNMs());
-
-    // restart RM.
-    MockRM rm2 = new MockRM(conf);
-    rm2.start();
-    Assert
-      .assertEquals(2, ClusterMetrics.getMetrics().getNumDecommisionedNMs());
-    rm2.stop();
+      if (rm2 != null) {
+        rm2.stop();
+      }
+    }
   }
 
   // Test Delegation token is renewed synchronously so that recover events
@@ -1891,7 +1893,7 @@ public class TestRMRestart {
     memStore.init(conf);
 
     // start RM
-    MockRM rm1 = new MockRM(conf, memStore);
+    MockRM rm1 = createMockRM(conf, memStore);
     rm1.start();
     final MockNM nm1 =
         new MockNM("127.0.0.1:1234", 15120, rm1.getResourceTrackerService());
@@ -1914,24 +1916,29 @@ public class TestRMRestart {
             nm1.setResourceTrackerService(getResourceTrackerService());
             NMContainerStatus status =
                 TestRMRestart.createNMContainerStatus(
-                  am0.getApplicationAttemptId(), 1, ContainerState.COMPLETE);
+                    am0.getApplicationAttemptId(), 1, ContainerState.COMPLETE);
             nm1.registerNode(Arrays.asList(status), null);
           }
         };
       }
     };
-    // Re-start RM
-    rm2.start();
 
-    // wait for the 2nd attempt to be started.
-    RMApp loadedApp0 =
-        rm2.getRMContext().getRMApps().get(app0.getApplicationId());
-    int timeoutSecs = 0;
-    while (loadedApp0.getAppAttempts().size() != 2 && timeoutSecs++ < 40) {
-      Thread.sleep(200);
+    try {
+      // Re-start RM
+      rm2.start();
+
+      // wait for the 2nd attempt to be started.
+      RMApp loadedApp0 =
+          rm2.getRMContext().getRMApps().get(app0.getApplicationId());
+      int timeoutSecs = 0;
+      while (loadedApp0.getAppAttempts().size() != 2 && timeoutSecs++ < 40) {
+        Thread.sleep(200);
+      }
+      MockAM am1 = MockRM.launchAndRegisterAM(loadedApp0, rm2, nm1);
+      MockRM.finishAMAndVerifyAppState(loadedApp0, rm2, nm1, am1);
+    } finally {
+      rm2.stop();
     }
-    MockAM am1 = MockRM.launchAndRegisterAM(loadedApp0, rm2, nm1);
-    MockRM.finishAMAndVerifyAppState(loadedApp0, rm2, nm1, am1);
   }
 
   private void writeToHostsFile(String... hosts) throws IOException {

http://git-wip-us.apache.org/repos/asf/hadoop/blob/33031c9c/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/security/TestClientToAMTokens.java
----------------------------------------------------------------------
diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/security/TestClientToAMTokens.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/security/TestClientToAMTokens.java
index b5636bd..78bc728 100644
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/security/TestClientToAMTokens.java
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/security/TestClientToAMTokens.java
@@ -18,7 +18,11 @@
 
 package org.apache.hadoop.yarn.server.resourcemanager.security;
 
+import org.apache.hadoop.yarn.conf.YarnConfiguration;
+import org.apache.hadoop.yarn.server.resourcemanager
+    .ParameterizedSchedulerTestBase;
 import static org.junit.Assert.fail;
+import org.junit.Before;
 import static org.mockito.Matchers.any;
 import static org.mockito.Mockito.mock;
 import static org.mockito.Mockito.when;
@@ -79,7 +83,17 @@ import org.apache.hadoop.yarn.util.ConverterUtils;
 import org.apache.hadoop.yarn.util.Records;
 import org.junit.Test;
 
-public class TestClientToAMTokens {
+public class TestClientToAMTokens extends ParameterizedSchedulerTestBase {
+  private YarnConfiguration conf;
+
+  public TestClientToAMTokens(SchedulerType type) {
+    super(type);
+  }
+
+  @Before
+  public void setup() {
+    conf = getConf();
+  }
 
   private interface CustomProtocol {
     @SuppressWarnings("unused")
@@ -166,8 +180,6 @@ public class TestClientToAMTokens {
 
   @Test
   public void testClientToAMTokens() throws Exception {
-
-    final Configuration conf = new Configuration();
     conf.set(CommonConfigurationKeysPublic.HADOOP_SECURITY_AUTHENTICATION,
       "kerberos");
     UserGroupInformation.setConfiguration(conf);


[2/5] hadoop git commit: YARN-2635. Merging to branch-2.6 for hadoop-2.6.0-rc1.

Posted by ac...@apache.org.
YARN-2635. Merging to branch-2.6 for hadoop-2.6.0-rc1.

(cherry picked from commit 81dc0ac6dcf2f34ad607da815ea0144f178691a9)

Conflicts:
	hadoop-yarn-project/CHANGES.txt


Project: http://git-wip-us.apache.org/repos/asf/hadoop/repo
Commit: http://git-wip-us.apache.org/repos/asf/hadoop/commit/86722bd1
Tree: http://git-wip-us.apache.org/repos/asf/hadoop/tree/86722bd1
Diff: http://git-wip-us.apache.org/repos/asf/hadoop/diff/86722bd1

Branch: refs/heads/branch-2.6.0
Commit: 86722bd19e8b7d4ea281e18db357d40fafad6e1f
Parents: 33031c9
Author: Arun C. Murthy <ac...@apache.org>
Authored: Thu Nov 13 10:27:47 2014 -0800
Committer: Arun C. Murthy <ac...@apache.org>
Committed: Thu Nov 13 10:41:57 2014 -0800

----------------------------------------------------------------------
 hadoop-yarn-project/CHANGES.txt | 3 +++
 1 file changed, 3 insertions(+)
----------------------------------------------------------------------


http://git-wip-us.apache.org/repos/asf/hadoop/blob/86722bd1/hadoop-yarn-project/CHANGES.txt
----------------------------------------------------------------------
diff --git a/hadoop-yarn-project/CHANGES.txt b/hadoop-yarn-project/CHANGES.txt
index e42c9b2..8410d9c 100644
--- a/hadoop-yarn-project/CHANGES.txt
+++ b/hadoop-yarn-project/CHANGES.txt
@@ -367,6 +367,9 @@ Release 2.6.0 - 2014-11-15
     YARN-2818. Removed the now unnecessary user entity injection from Timeline
     service given we now have domains. (Zhijie Shen via vinodkv)
 
+    YARN-2635. TestRM, TestRMRestart, TestClientToAMTokens should run 
+    with both CS and FS. (Wei Yan and kasha via kasha)
+
   OPTIMIZATIONS
 
   BUG FIXES


[4/5] hadoop git commit: YARN-2846. Incorrect persist exit code for running containers in reacquireContainer() that interrupted by NodeManager restart. Contributed by Junping Du

Posted by ac...@apache.org.
YARN-2846. Incorrect persist exit code for running containers in reacquireContainer() that interrupted by NodeManager restart. Contributed by Junping Du

(cherry picked from commit 33ea5ae92b9dd3abace104903d9a94d17dd75af5)


Project: http://git-wip-us.apache.org/repos/asf/hadoop/repo
Commit: http://git-wip-us.apache.org/repos/asf/hadoop/commit/9820c475
Tree: http://git-wip-us.apache.org/repos/asf/hadoop/tree/9820c475
Diff: http://git-wip-us.apache.org/repos/asf/hadoop/diff/9820c475

Branch: refs/heads/branch-2.6.0
Commit: 9820c475749243eae6e4ec44206296e220f03165
Parents: bf4d080
Author: Jason Lowe <jl...@apache.org>
Authored: Thu Nov 13 16:11:04 2014 +0000
Committer: Arun C. Murthy <ac...@apache.org>
Committed: Thu Nov 13 10:47:16 2014 -0800

----------------------------------------------------------------------
 hadoop-yarn-project/CHANGES.txt                 |  4 ++++
 .../server/nodemanager/ContainerExecutor.java   | 21 +++++++-------------
 .../nodemanager/LinuxContainerExecutor.java     |  2 +-
 .../launcher/RecoveredContainerLaunch.java      | 20 ++++++++++++-------
 4 files changed, 25 insertions(+), 22 deletions(-)
----------------------------------------------------------------------


http://git-wip-us.apache.org/repos/asf/hadoop/blob/9820c475/hadoop-yarn-project/CHANGES.txt
----------------------------------------------------------------------
diff --git a/hadoop-yarn-project/CHANGES.txt b/hadoop-yarn-project/CHANGES.txt
index 8410d9c..b8bb9a9 100644
--- a/hadoop-yarn-project/CHANGES.txt
+++ b/hadoop-yarn-project/CHANGES.txt
@@ -869,6 +869,10 @@ Release 2.6.0 - 2014-11-15
     YARN-2794. Fixed log messages about distributing system-credentials. (Jian He via
     zjshen)
 
+    YARN-2846. Incorrect persist exit code for running containers in
+    reacquireContainer() that interrupted by NodeManager restart. (Junping Du
+    via jlowe)
+
 Release 2.5.2 - 2014-11-10
 
   INCOMPATIBLE CHANGES

http://git-wip-us.apache.org/repos/asf/hadoop/blob/9820c475/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/java/org/apache/hadoop/yarn/server/nodemanager/ContainerExecutor.java
----------------------------------------------------------------------
diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/java/org/apache/hadoop/yarn/server/nodemanager/ContainerExecutor.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/java/org/apache/hadoop/yarn/server/nodemanager/ContainerExecutor.java
index 8133413..327f882 100644
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/java/org/apache/hadoop/yarn/server/nodemanager/ContainerExecutor.java
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/java/org/apache/hadoop/yarn/server/nodemanager/ContainerExecutor.java
@@ -159,9 +159,10 @@ public abstract class ContainerExecutor implements Configurable {
    * @param containerId The ID of the container to reacquire
    * @return The exit code of the pre-existing container
    * @throws IOException
+   * @throws InterruptedException 
    */
   public int reacquireContainer(String user, ContainerId containerId)
-      throws IOException {
+      throws IOException, InterruptedException {
     Path pidPath = getPidFilePath(containerId);
     if (pidPath == null) {
       LOG.warn(containerId + " is not active, returning terminated error");
@@ -175,13 +176,8 @@ public abstract class ContainerExecutor implements Configurable {
     }
 
     LOG.info("Reacquiring " + containerId + " with pid " + pid);
-    try {
-      while(isContainerProcessAlive(user, pid)) {
-        Thread.sleep(1000);
-      }
-    } catch (InterruptedException e) {
-      throw new IOException("Interrupted while waiting for process " + pid
-          + " to exit", e);
+    while(isContainerProcessAlive(user, pid)) {
+      Thread.sleep(1000);
     }
 
     // wait for exit code file to appear
@@ -194,12 +190,9 @@ public abstract class ContainerExecutor implements Configurable {
         LOG.info(containerId + " was deactivated");
         return ExitCode.TERMINATED.getExitCode();
       }
-      try {
-        Thread.sleep(sleepMsec);
-      } catch (InterruptedException e) {
-        throw new IOException(
-            "Interrupted while waiting for exit code from " + containerId, e);
-      }
+      
+      Thread.sleep(sleepMsec);
+      
       msecLeft -= sleepMsec;
     }
     if (msecLeft < 0) {

http://git-wip-us.apache.org/repos/asf/hadoop/blob/9820c475/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/java/org/apache/hadoop/yarn/server/nodemanager/LinuxContainerExecutor.java
----------------------------------------------------------------------
diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/java/org/apache/hadoop/yarn/server/nodemanager/LinuxContainerExecutor.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/java/org/apache/hadoop/yarn/server/nodemanager/LinuxContainerExecutor.java
index 884a16a..60e4713 100644
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/java/org/apache/hadoop/yarn/server/nodemanager/LinuxContainerExecutor.java
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/java/org/apache/hadoop/yarn/server/nodemanager/LinuxContainerExecutor.java
@@ -345,7 +345,7 @@ public class LinuxContainerExecutor extends ContainerExecutor {
 
   @Override
   public int reacquireContainer(String user, ContainerId containerId)
-      throws IOException {
+      throws IOException, InterruptedException {
     try {
       return super.reacquireContainer(user, containerId);
     } finally {

http://git-wip-us.apache.org/repos/asf/hadoop/blob/9820c475/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/java/org/apache/hadoop/yarn/server/nodemanager/containermanager/launcher/RecoveredContainerLaunch.java
----------------------------------------------------------------------
diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/java/org/apache/hadoop/yarn/server/nodemanager/containermanager/launcher/RecoveredContainerLaunch.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/java/org/apache/hadoop/yarn/server/nodemanager/containermanager/launcher/RecoveredContainerLaunch.java
index 446695a..03a39aa 100644
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/java/org/apache/hadoop/yarn/server/nodemanager/containermanager/launcher/RecoveredContainerLaunch.java
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/java/org/apache/hadoop/yarn/server/nodemanager/containermanager/launcher/RecoveredContainerLaunch.java
@@ -73,6 +73,7 @@ public class RecoveredContainerLaunch extends ContainerLaunch {
     dispatcher.getEventHandler().handle(new ContainerEvent(containerId,
         ContainerEventType.CONTAINER_LAUNCHED));
 
+    boolean notInterrupted = true;
     try {
       File pidFile = locatePidFile(appIdStr, containerIdStr);
       if (pidFile != null) {
@@ -85,14 +86,19 @@ public class RecoveredContainerLaunch extends ContainerLaunch {
       }
     } catch (IOException e) {
         LOG.error("Unable to recover container " + containerIdStr, e);
+    } catch (InterruptedException e) {
+      LOG.warn("Interrupted while waiting for exit code from " + containerId);
+      notInterrupted = false;
     } finally {
-      this.completed.set(true);
-      exec.deactivateContainer(containerId);
-      try {
-        getContext().getNMStateStore().storeContainerCompleted(containerId,
-            retCode);
-      } catch (IOException e) {
-        LOG.error("Unable to set exit code for container " + containerId);
+      if (notInterrupted) {
+        this.completed.set(true);
+        exec.deactivateContainer(containerId);
+        try {
+          getContext().getNMStateStore().storeContainerCompleted(containerId,
+              retCode);
+        } catch (IOException e) {
+          LOG.error("Unable to set exit code for container " + containerId);
+        }
       }
     }
 


[3/5] hadoop git commit: YARN-2853. Fixed a bug in ResourceManager causing apps to hang when the user kill request races with ApplicationMaster finish. Contributed by Jian He.

Posted by ac...@apache.org.
YARN-2853. Fixed a bug in ResourceManager causing apps to hang when the user kill request races with ApplicationMaster finish. Contributed by Jian He.

(cherry picked from commit 3651fe1b089851b38be351c00a9899817166bf3e)

Conflicts:
	hadoop-yarn-project/CHANGES.txt


Project: http://git-wip-us.apache.org/repos/asf/hadoop/repo
Commit: http://git-wip-us.apache.org/repos/asf/hadoop/commit/bf4d0801
Tree: http://git-wip-us.apache.org/repos/asf/hadoop/tree/bf4d0801
Diff: http://git-wip-us.apache.org/repos/asf/hadoop/diff/bf4d0801

Branch: refs/heads/branch-2.6.0
Commit: bf4d08010050ed36761a7f255b7c838ede6feba4
Parents: 86722bd
Author: Vinod Kumar Vavilapalli <vi...@apache.org>
Authored: Thu Nov 13 08:12:41 2014 -0800
Committer: Arun C. Murthy <ac...@apache.org>
Committed: Thu Nov 13 10:42:29 2014 -0800

----------------------------------------------------------------------
 .../ApplicationMasterService.java               |   1 +
 .../server/resourcemanager/rmapp/RMAppImpl.java |  24 +++-
 .../yarn/server/resourcemanager/TestRM.java     | 111 +++++++++++++++++++
 .../rmapp/TestRMAppTransitions.java             |   6 -
 4 files changed, 133 insertions(+), 9 deletions(-)
----------------------------------------------------------------------


http://git-wip-us.apache.org/repos/asf/hadoop/blob/bf4d0801/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/ApplicationMasterService.java
----------------------------------------------------------------------
diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/ApplicationMasterService.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/ApplicationMasterService.java
index 64988f5..d0b199f 100644
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/ApplicationMasterService.java
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/ApplicationMasterService.java
@@ -348,6 +348,7 @@ public class ApplicationMasterService extends AbstractService implements
     // ApplicationDoesNotExistInCacheException before and after
     // RM work-preserving restart.
     if (rmApp.isAppFinalStateStored()) {
+      LOG.info(rmApp.getApplicationId() + " unregistered successfully. ");
       return FinishApplicationMasterResponse.newInstance(true);
     }
 

http://git-wip-us.apache.org/repos/asf/hadoop/blob/bf4d0801/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/rmapp/RMAppImpl.java
----------------------------------------------------------------------
diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/rmapp/RMAppImpl.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/rmapp/RMAppImpl.java
index ad92cc4..aeb2cda 100644
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/rmapp/RMAppImpl.java
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/rmapp/RMAppImpl.java
@@ -293,13 +293,23 @@ public class RMAppImpl implements RMApp, Recoverable {
         RMAppEventType.ATTEMPT_KILLED,
         new FinalSavingTransition(
           new AppKilledTransition(), RMAppState.KILLED))
+    .addTransition(RMAppState.KILLING, RMAppState.FINAL_SAVING,
+        RMAppEventType.ATTEMPT_UNREGISTERED,
+        new FinalSavingTransition(
+          new AttemptUnregisteredTransition(),
+          RMAppState.FINISHING, RMAppState.FINISHED))
+    .addTransition(RMAppState.KILLING, RMAppState.FINISHED,
+      // UnManagedAM directly jumps to finished
+        RMAppEventType.ATTEMPT_FINISHED, FINISHED_TRANSITION)
+    .addTransition(RMAppState.KILLING,
+        EnumSet.of(RMAppState.FINAL_SAVING),
+        RMAppEventType.ATTEMPT_FAILED,
+        new AttemptFailedTransition(RMAppState.KILLING))
+
     .addTransition(RMAppState.KILLING, RMAppState.KILLING,
         EnumSet.of(
             RMAppEventType.NODE_UPDATE,
             RMAppEventType.ATTEMPT_REGISTERED,
-            RMAppEventType.ATTEMPT_UNREGISTERED,
-            RMAppEventType.ATTEMPT_FINISHED,
-            RMAppEventType.ATTEMPT_FAILED,
             RMAppEventType.APP_UPDATE_SAVED,
             RMAppEventType.KILL, RMAppEventType.MOVE))
 
@@ -1199,6 +1209,14 @@ public class RMAppImpl implements RMApp, Recoverable {
           + app.maxAppAttempts);
       if (!app.submissionContext.getUnmanagedAM()
           && numberOfFailure < app.maxAppAttempts) {
+        if (initialState.equals(RMAppState.KILLING)) {
+          // If this is not last attempt, app should be killed instead of
+          // launching a new attempt
+          app.rememberTargetTransitionsAndStoreState(event,
+            new AppKilledTransition(), RMAppState.KILLED, RMAppState.KILLED);
+          return RMAppState.FINAL_SAVING;
+        }
+
         boolean transferStateFromPreviousAttempt;
         RMAppFailedAttemptEvent failedEvent = (RMAppFailedAttemptEvent) event;
         transferStateFromPreviousAttempt =

http://git-wip-us.apache.org/repos/asf/hadoop/blob/bf4d0801/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/TestRM.java
----------------------------------------------------------------------
diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/TestRM.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/TestRM.java
index 4865420..77d8cdf 100644
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/TestRM.java
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/TestRM.java
@@ -21,6 +21,7 @@ package org.apache.hadoop.yarn.server.resourcemanager;
 import org.junit.Before;
 import static org.mockito.Matchers.argThat;
 import static org.mockito.Mockito.doNothing;
+import static org.mockito.Mockito.doAnswer;
 import static org.mockito.Mockito.spy;
 
 import java.util.ArrayList;
@@ -37,16 +38,19 @@ import org.junit.Assert;
 import org.apache.commons.logging.Log;
 import org.apache.commons.logging.LogFactory;
 import org.apache.hadoop.yarn.api.protocolrecords.AllocateResponse;
+import org.apache.hadoop.yarn.api.protocolrecords.FinishApplicationMasterRequest;
 import org.apache.hadoop.yarn.api.protocolrecords.GetApplicationReportRequest;
 import org.apache.hadoop.yarn.api.protocolrecords.GetApplicationsRequest;
 import org.apache.hadoop.yarn.api.protocolrecords.GetApplicationsResponse;
 import org.apache.hadoop.yarn.api.protocolrecords.GetNewApplicationResponse;
 import org.apache.hadoop.yarn.api.protocolrecords.KillApplicationRequest;
 import org.apache.hadoop.yarn.api.records.ApplicationAttemptId;
+import org.apache.hadoop.yarn.api.records.ApplicationId;
 import org.apache.hadoop.yarn.api.records.ApplicationReport;
 import org.apache.hadoop.yarn.api.records.Container;
 import org.apache.hadoop.yarn.api.records.ContainerId;
 import org.apache.hadoop.yarn.api.records.ContainerState;
+import org.apache.hadoop.yarn.api.records.FinalApplicationStatus;
 import org.apache.hadoop.yarn.api.records.NMToken;
 import org.apache.hadoop.yarn.api.records.NodeId;
 import org.apache.hadoop.yarn.api.records.ResourceRequest;
@@ -57,6 +61,8 @@ import org.apache.hadoop.yarn.event.AbstractEvent;
 import org.apache.hadoop.yarn.event.AsyncDispatcher;
 import org.apache.hadoop.yarn.event.Dispatcher;
 import org.apache.hadoop.yarn.event.EventHandler;
+import org.apache.hadoop.yarn.server.resourcemanager.TestRMRestart.TestSecurityMockRM;
+import org.apache.hadoop.yarn.server.resourcemanager.recovery.MemoryRMStateStore;
 import org.apache.hadoop.yarn.server.resourcemanager.rmapp.RMApp;
 import org.apache.hadoop.yarn.server.resourcemanager.rmapp.RMAppEvent;
 import org.apache.hadoop.yarn.server.resourcemanager.rmapp.RMAppEventType;
@@ -73,6 +79,8 @@ import org.apache.log4j.LogManager;
 import org.apache.log4j.Logger;
 import org.junit.Test;
 import org.mockito.ArgumentMatcher;
+import org.mockito.invocation.InvocationOnMock;
+import org.mockito.stubbing.Answer;
 
 @SuppressWarnings({"unchecked", "rawtypes"})
 public class TestRM extends ParameterizedSchedulerTestBase {
@@ -638,4 +646,107 @@ public class TestRM extends ParameterizedSchedulerTestBase {
     Assert.assertEquals(appsSubmitted + 1, metrics.getAppsSubmitted());
   }
 
+  // Test Kill an app while the app is finishing in the meanwhile.
+  @Test (timeout = 30000)
+  public void testKillFinishingApp() throws Exception{
+
+    // this dispatcher ignores RMAppAttemptEventType.KILL event
+    final Dispatcher dispatcher = new AsyncDispatcher() {
+      @Override
+      public EventHandler getEventHandler() {
+
+        class EventArgMatcher extends ArgumentMatcher<AbstractEvent> {
+          @Override
+          public boolean matches(Object argument) {
+            if (argument instanceof RMAppAttemptEvent) {
+              if (((RMAppAttemptEvent) argument).getType().equals(
+                RMAppAttemptEventType.KILL)) {
+                return true;
+              }
+            }
+            return false;
+          }
+        }
+
+        EventHandler handler = spy(super.getEventHandler());
+        doNothing().when(handler).handle(argThat(new EventArgMatcher()));
+        return handler;
+      }
+    };
+
+    MockRM rm1 = new MockRM(conf){
+      @Override
+      protected Dispatcher createDispatcher() {
+        return dispatcher;
+      }
+    };
+    rm1.start();
+    MockNM nm1 =
+        new MockNM("127.0.0.1:1234", 8192, rm1.getResourceTrackerService());
+    nm1.registerNode();
+    RMApp app1 = rm1.submitApp(200);
+    MockAM am1 = MockRM.launchAndRegisterAM(app1, rm1, nm1);
+
+    rm1.killApp(app1.getApplicationId());
+
+    FinishApplicationMasterRequest req =
+        FinishApplicationMasterRequest.newInstance(
+          FinalApplicationStatus.SUCCEEDED, "", "");
+    am1.unregisterAppAttempt(req,true);
+
+    rm1.waitForState(am1.getApplicationAttemptId(), RMAppAttemptState.FINISHING);
+    nm1.nodeHeartbeat(am1.getApplicationAttemptId(), 1, ContainerState.COMPLETE);
+    rm1.waitForState(am1.getApplicationAttemptId(), RMAppAttemptState.FINISHED);
+    rm1.waitForState(app1.getApplicationId(), RMAppState.FINISHED);
+  }
+
+  // Test Kill an app while the app is failing
+  @Test (timeout = 30000)
+  public void testKillFailingApp() throws Exception{
+
+    // this dispatcher ignores RMAppAttemptEventType.KILL event
+    final Dispatcher dispatcher = new AsyncDispatcher() {
+      @Override
+      public EventHandler getEventHandler() {
+
+        class EventArgMatcher extends ArgumentMatcher<AbstractEvent> {
+          @Override
+          public boolean matches(Object argument) {
+            if (argument instanceof RMAppAttemptEvent) {
+              if (((RMAppAttemptEvent) argument).getType().equals(
+                RMAppAttemptEventType.KILL)) {
+                return true;
+              }
+            }
+            return false;
+          }
+        }
+
+        EventHandler handler = spy(super.getEventHandler());
+        doNothing().when(handler).handle(argThat(new EventArgMatcher()));
+        return handler;
+      }
+    };
+
+    MockRM rm1 = new MockRM(conf){
+      @Override
+      protected Dispatcher createDispatcher() {
+        return dispatcher;
+      }
+    };
+    rm1.start();
+    MockNM nm1 =
+        new MockNM("127.0.0.1:1234", 8192, rm1.getResourceTrackerService());
+    nm1.registerNode();
+    RMApp app1 = rm1.submitApp(200);
+    MockAM am1 = MockRM.launchAndRegisterAM(app1, rm1, nm1);
+
+    rm1.killApp(app1.getApplicationId());
+
+    // fail the app by sending container_finished event.
+    nm1.nodeHeartbeat(am1.getApplicationAttemptId(), 1, ContainerState.COMPLETE);
+    rm1.waitForState(am1.getApplicationAttemptId(), RMAppAttemptState.FAILED);
+    // app is killed, not launching a new attempt
+    rm1.waitForState(app1.getApplicationId(), RMAppState.KILLED);
+  }
 }

http://git-wip-us.apache.org/repos/asf/hadoop/blob/bf4d0801/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/rmapp/TestRMAppTransitions.java
----------------------------------------------------------------------
diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/rmapp/TestRMAppTransitions.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/rmapp/TestRMAppTransitions.java
index bbfb0ee..e68d074 100644
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/rmapp/TestRMAppTransitions.java
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/rmapp/TestRMAppTransitions.java
@@ -726,12 +726,6 @@ public class TestRMAppTransitions {
     application.handle(event);
     rmDispatcher.await();
 
-    // Ignore Attempt_Finished if we were supposed to go to Finished.
-    assertAppState(RMAppState.KILLING, application);
-    RMAppEvent finishEvent =
-        new RMAppFinishedAttemptEvent(application.getApplicationId(), null);
-    application.handle(finishEvent);
-    assertAppState(RMAppState.KILLING, application);
     sendAttemptUpdateSavedEvent(application);
     sendAppUpdateSavedEvent(application);
     assertKilled(application);


[5/5] hadoop git commit: YARN-2853. Merging to branch-2.6 for hadoop-2.6.0-rc1.

Posted by ac...@apache.org.
YARN-2853. Merging to branch-2.6 for hadoop-2.6.0-rc1.

(cherry picked from commit d648e60ebab7f1942dba92e9cd2cb62b8d70419b)

Conflicts:
	hadoop-yarn-project/CHANGES.txt


Project: http://git-wip-us.apache.org/repos/asf/hadoop/repo
Commit: http://git-wip-us.apache.org/repos/asf/hadoop/commit/a97e9c02
Tree: http://git-wip-us.apache.org/repos/asf/hadoop/tree/a97e9c02
Diff: http://git-wip-us.apache.org/repos/asf/hadoop/diff/a97e9c02

Branch: refs/heads/branch-2.6.0
Commit: a97e9c02358abf6dc0f01bd0a5f91a5b856c7420
Parents: 9820c47
Author: Arun C. Murthy <ac...@apache.org>
Authored: Thu Nov 13 10:04:45 2014 -0800
Committer: Arun C. Murthy <ac...@apache.org>
Committed: Thu Nov 13 10:47:38 2014 -0800

----------------------------------------------------------------------
 hadoop-yarn-project/CHANGES.txt | 3 +++
 1 file changed, 3 insertions(+)
----------------------------------------------------------------------


http://git-wip-us.apache.org/repos/asf/hadoop/blob/a97e9c02/hadoop-yarn-project/CHANGES.txt
----------------------------------------------------------------------
diff --git a/hadoop-yarn-project/CHANGES.txt b/hadoop-yarn-project/CHANGES.txt
index b8bb9a9..69e21ee 100644
--- a/hadoop-yarn-project/CHANGES.txt
+++ b/hadoop-yarn-project/CHANGES.txt
@@ -873,6 +873,9 @@ Release 2.6.0 - 2014-11-15
     reacquireContainer() that interrupted by NodeManager restart. (Junping Du
     via jlowe)
 
+    YARN-2853. Fixed a bug in ResourceManager causing apps to hang when the user
+    kill request races with ApplicationMaster finish. (Jian He via vinodkv)
+
 Release 2.5.2 - 2014-11-10
 
   INCOMPATIBLE CHANGES