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From junping...@apache.org
Subject svn commit: r1617448 [2/2] - in /hadoop/common/trunk/hadoop-yarn-project: ./ hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/java/org/apache/hadoop/yarn/server/nodemanager/ hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodema...
Date Tue, 12 Aug 2014 10:56:13 GMT
Modified: hadoop/common/trunk/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/java/org/apache/hadoop/yarn/server/nodemanager/recovery/NMStateStoreService.java
URL: http://svn.apache.org/viewvc/hadoop/common/trunk/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/java/org/apache/hadoop/yarn/server/nodemanager/recovery/NMStateStoreService.java?rev=1617448&r1=1617447&r2=1617448&view=diff
==============================================================================
--- hadoop/common/trunk/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/java/org/apache/hadoop/yarn/server/nodemanager/recovery/NMStateStoreService.java
(original)
+++ hadoop/common/trunk/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/java/org/apache/hadoop/yarn/server/nodemanager/recovery/NMStateStoreService.java
Tue Aug 12 10:56:13 2014
@@ -29,8 +29,10 @@ import org.apache.hadoop.classification.
 import org.apache.hadoop.conf.Configuration;
 import org.apache.hadoop.fs.Path;
 import org.apache.hadoop.service.AbstractService;
+import org.apache.hadoop.yarn.api.protocolrecords.StartContainerRequest;
 import org.apache.hadoop.yarn.api.records.ApplicationAttemptId;
 import org.apache.hadoop.yarn.api.records.ApplicationId;
+import org.apache.hadoop.yarn.api.records.ContainerExitStatus;
 import org.apache.hadoop.yarn.api.records.ContainerId;
 import org.apache.hadoop.yarn.proto.YarnProtos.LocalResourceProto;
 import org.apache.hadoop.yarn.proto.YarnServerNodemanagerRecoveryProtos.ContainerManagerApplicationProto;
@@ -59,6 +61,40 @@ public abstract class NMStateStoreServic
     }
   }
 
+  public enum RecoveredContainerStatus {
+    REQUESTED,
+    LAUNCHED,
+    COMPLETED
+  }
+
+  public static class RecoveredContainerState {
+    RecoveredContainerStatus status;
+    int exitCode = ContainerExitStatus.INVALID;
+    boolean killed = false;
+    String diagnostics = "";
+    StartContainerRequest startRequest;
+
+    public RecoveredContainerStatus getStatus() {
+      return status;
+    }
+
+    public int getExitCode() {
+      return exitCode;
+    }
+
+    public boolean getKilled() {
+      return killed;
+    }
+
+    public String getDiagnostics() {
+      return diagnostics;
+    }
+
+    public StartContainerRequest getStartRequest() {
+      return startRequest;
+    }
+  }
+
   public static class LocalResourceTrackerState {
     List<LocalizedResourceProto> localizedResources =
         new ArrayList<LocalizedResourceProto>();
@@ -176,20 +212,101 @@ public abstract class NMStateStoreServic
   }
 
 
+  /**
+   * Load the state of applications
+   * @return recovered state for applications
+   * @throws IOException
+   */
   public abstract RecoveredApplicationsState loadApplicationsState()
       throws IOException;
 
+  /**
+   * Record the start of an application
+   * @param appId the application ID
+   * @param p state to store for the application
+   * @throws IOException
+   */
   public abstract void storeApplication(ApplicationId appId,
       ContainerManagerApplicationProto p) throws IOException;
 
+  /**
+   * Record that an application has finished
+   * @param appId the application ID
+   * @throws IOException
+   */
   public abstract void storeFinishedApplication(ApplicationId appId)
       throws IOException;
 
+  /**
+   * Remove records corresponding to an application
+   * @param appId the application ID
+   * @throws IOException
+   */
   public abstract void removeApplication(ApplicationId appId)
       throws IOException;
 
 
   /**
+   * Load the state of containers
+   * @return recovered state for containers
+   * @throws IOException
+   */
+  public abstract List<RecoveredContainerState> loadContainersState()
+      throws IOException;
+
+  /**
+   * Record a container start request
+   * @param containerId the container ID
+   * @param startRequest the container start request
+   * @throws IOException
+   */
+  public abstract void storeContainer(ContainerId containerId,
+      StartContainerRequest startRequest) throws IOException;
+
+  /**
+   * Record that a container has been launched
+   * @param containerId the container ID
+   * @throws IOException
+   */
+  public abstract void storeContainerLaunched(ContainerId containerId)
+      throws IOException;
+
+  /**
+   * Record that a container has completed
+   * @param containerId the container ID
+   * @param exitCode the exit code from the container
+   * @throws IOException
+   */
+  public abstract void storeContainerCompleted(ContainerId containerId,
+      int exitCode) throws IOException;
+
+  /**
+   * Record a request to kill a container
+   * @param containerId the container ID
+   * @throws IOException
+   */
+  public abstract void storeContainerKilled(ContainerId containerId)
+      throws IOException;
+
+  /**
+   * Record diagnostics for a container
+   * @param containerId the container ID
+   * @param diagnostics the container diagnostics
+   * @throws IOException
+   */
+  public abstract void storeContainerDiagnostics(ContainerId containerId,
+      StringBuilder diagnostics) throws IOException;
+
+  /**
+   * Remove records corresponding to a container
+   * @param containerId the container ID
+   * @throws IOException
+   */
+  public abstract void removeContainer(ContainerId containerId)
+      throws IOException;
+
+
+  /**
    * Load the state of localized resources
    * @return recovered localized resource state
    * @throws IOException
@@ -230,43 +347,111 @@ public abstract class NMStateStoreServic
       ApplicationId appId, Path localPath) throws IOException;
 
 
+  /**
+   * Load the state of the deletion service
+   * @return recovered deletion service state
+   * @throws IOException
+   */
   public abstract RecoveredDeletionServiceState loadDeletionServiceState()
       throws IOException;
 
+  /**
+   * Record a deletion task
+   * @param taskId the deletion task ID
+   * @param taskProto the deletion task protobuf
+   * @throws IOException
+   */
   public abstract void storeDeletionTask(int taskId,
       DeletionServiceDeleteTaskProto taskProto) throws IOException;
 
+  /**
+   * Remove records corresponding to a deletion task
+   * @param taskId the deletion task ID
+   * @throws IOException
+   */
   public abstract void removeDeletionTask(int taskId) throws IOException;
 
 
+  /**
+   * Load the state of NM tokens
+   * @return recovered state of NM tokens
+   * @throws IOException
+   */
   public abstract RecoveredNMTokensState loadNMTokensState()
       throws IOException;
 
+  /**
+   * Record the current NM token master key
+   * @param key the master key
+   * @throws IOException
+   */
   public abstract void storeNMTokenCurrentMasterKey(MasterKey key)
       throws IOException;
 
+  /**
+   * Record the previous NM token master key
+   * @param key the previous master key
+   * @throws IOException
+   */
   public abstract void storeNMTokenPreviousMasterKey(MasterKey key)
       throws IOException;
 
+  /**
+   * Record a master key corresponding to an application
+   * @param attempt the application attempt ID
+   * @param key the master key
+   * @throws IOException
+   */
   public abstract void storeNMTokenApplicationMasterKey(
       ApplicationAttemptId attempt, MasterKey key) throws IOException;
 
+  /**
+   * Remove a master key corresponding to an application
+   * @param attempt the application attempt ID
+   * @throws IOException
+   */
   public abstract void removeNMTokenApplicationMasterKey(
       ApplicationAttemptId attempt) throws IOException;
 
 
+  /**
+   * Load the state of container tokens
+   * @return recovered state of container tokens
+   * @throws IOException
+   */
   public abstract RecoveredContainerTokensState loadContainerTokensState()
       throws IOException;
 
+  /**
+   * Record the current container token master key
+   * @param key the master key
+   * @throws IOException
+   */
   public abstract void storeContainerTokenCurrentMasterKey(MasterKey key)
       throws IOException;
 
+  /**
+   * Record the previous container token master key
+   * @param key the previous master key
+   * @throws IOException
+   */
   public abstract void storeContainerTokenPreviousMasterKey(MasterKey key)
       throws IOException;
 
+  /**
+   * Record the expiration time for a container token
+   * @param containerId the container ID
+   * @param expirationTime the container token expiration time
+   * @throws IOException
+   */
   public abstract void storeContainerToken(ContainerId containerId,
       Long expirationTime) throws IOException;
 
+  /**
+   * Remove records for a container token
+   * @param containerId the container ID
+   * @throws IOException
+   */
   public abstract void removeContainerToken(ContainerId containerId)
       throws IOException;
 

Modified: hadoop/common/trunk/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/native/container-executor/impl/container-executor.c
URL: http://svn.apache.org/viewvc/hadoop/common/trunk/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/native/container-executor/impl/container-executor.c?rev=1617448&r1=1617447&r2=1617448&view=diff
==============================================================================
--- hadoop/common/trunk/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/native/container-executor/impl/container-executor.c
(original)
+++ hadoop/common/trunk/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/native/container-executor/impl/container-executor.c
Tue Aug 12 10:56:13 2014
@@ -33,6 +33,7 @@
 #include <limits.h>
 #include <sys/stat.h>
 #include <sys/mount.h>
+#include <sys/wait.h>
 
 static const int DEFAULT_MIN_USERID = 1000;
 
@@ -245,6 +246,85 @@ static int write_pid_to_file_as_nm(const
 }
 
 /**
+ * Write the exit code of the container into the exit code file
+ * exit_code_file: Path to exit code file where exit code needs to be written
+ */
+static int write_exit_code_file(const char* exit_code_file, int exit_code) {
+  char *tmp_ecode_file = concatenate("%s.tmp", "exit_code_path", 1,
+      exit_code_file);
+  if (tmp_ecode_file == NULL) {
+    return -1;
+  }
+
+  // create with 700
+  int ecode_fd = open(tmp_ecode_file, O_WRONLY|O_CREAT|O_EXCL, S_IRWXU);
+  if (ecode_fd == -1) {
+    fprintf(LOGFILE, "Can't open file %s - %s\n", tmp_ecode_file,
+           strerror(errno));
+    free(tmp_ecode_file);
+    return -1;
+  }
+
+  char ecode_buf[21];
+  snprintf(ecode_buf, sizeof(ecode_buf), "%d", exit_code);
+  ssize_t written = write(ecode_fd, ecode_buf, strlen(ecode_buf));
+  close(ecode_fd);
+  if (written == -1) {
+    fprintf(LOGFILE, "Failed to write exit code to file %s - %s\n",
+       tmp_ecode_file, strerror(errno));
+    free(tmp_ecode_file);
+    return -1;
+  }
+
+  // rename temp file to actual exit code file
+  // use rename as atomic
+  if (rename(tmp_ecode_file, exit_code_file)) {
+    fprintf(LOGFILE, "Can't move exit code file from %s to %s - %s\n",
+        tmp_ecode_file, exit_code_file, strerror(errno));
+    unlink(tmp_ecode_file);
+    free(tmp_ecode_file);
+    return -1;
+  }
+
+  free(tmp_ecode_file);
+  return 0;
+}
+
+/**
+ * Wait for the container process to exit and write the exit code to
+ * the exit code file.
+ * Returns the exit code of the container process.
+ */
+static int wait_and_write_exit_code(pid_t pid, const char* exit_code_file) {
+  int child_status = -1;
+  int exit_code = -1;
+  int waitpid_result;
+
+  if (change_effective_user(nm_uid, nm_gid) != 0) {
+    return -1;
+  }
+  do {
+    waitpid_result = waitpid(pid, &child_status, 0);
+  } while (waitpid_result == -1 && errno == EINTR);
+  if (waitpid_result < 0) {
+    fprintf(LOGFILE, "Error waiting for container process %d - %s\n",
+        pid, strerror(errno));
+    return -1;
+  }
+  if (WIFEXITED(child_status)) {
+    exit_code = WEXITSTATUS(child_status);
+  } else if (WIFSIGNALED(child_status)) {
+    exit_code = 0x80 + WTERMSIG(child_status);
+  } else {
+    fprintf(LOGFILE, "Unable to determine exit status for pid %d\n", pid);
+  }
+  if (write_exit_code_file(exit_code_file, exit_code) < 0) {
+    return -1;
+  }
+  return exit_code;
+}
+
+/**
  * Change the real and effective user and group to abandon the super user
  * priviledges.
  */
@@ -337,6 +417,10 @@ char *get_container_work_directory(const
                      nm_root, user, app_id, container_id);
 }
 
+char *get_exit_code_file(const char* pid_file) {
+  return concatenate("%s.exitcode", "exit_code_file", 1, pid_file);
+}
+
 char *get_container_launcher_file(const char* work_dir) {
   return concatenate("%s/%s", "container launcher", 2, work_dir, CONTAINER_SCRIPT);
 }
@@ -879,6 +963,8 @@ int launch_container_as_user(const char 
   int exit_code = -1;
   char *script_file_dest = NULL;
   char *cred_file_dest = NULL;
+  char *exit_code_file = NULL;
+
   script_file_dest = get_container_launcher_file(work_dir);
   if (script_file_dest == NULL) {
     exit_code = OUT_OF_MEMORY;
@@ -889,6 +975,11 @@ int launch_container_as_user(const char 
     exit_code = OUT_OF_MEMORY;
     goto cleanup;
   }
+  exit_code_file = get_exit_code_file(pid_file);
+  if (NULL == exit_code_file) {
+    exit_code = OUT_OF_MEMORY;
+    goto cleanup;
+  }
 
   // open launch script
   int container_file_source = open_file_as_nm(script_name);
@@ -902,6 +993,13 @@ int launch_container_as_user(const char 
     goto cleanup;
   }
 
+  pid_t child_pid = fork();
+  if (child_pid != 0) {
+    // parent
+    exit_code = wait_and_write_exit_code(child_pid, exit_code_file);
+    goto cleanup;
+  }
+
   // setsid 
   pid_t pid = setsid();
   if (pid == -1) {
@@ -986,6 +1084,7 @@ int launch_container_as_user(const char 
   exit_code = 0;
 
  cleanup:
+  free(exit_code_file);
   free(script_file_dest);
   free(cred_file_dest);
   return exit_code;

Modified: hadoop/common/trunk/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/test/java/org/apache/hadoop/yarn/server/nodemanager/TestNodeStatusUpdater.java
URL: http://svn.apache.org/viewvc/hadoop/common/trunk/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/test/java/org/apache/hadoop/yarn/server/nodemanager/TestNodeStatusUpdater.java?rev=1617448&r1=1617447&r2=1617448&view=diff
==============================================================================
--- hadoop/common/trunk/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/test/java/org/apache/hadoop/yarn/server/nodemanager/TestNodeStatusUpdater.java
(original)
+++ hadoop/common/trunk/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/test/java/org/apache/hadoop/yarn/server/nodemanager/TestNodeStatusUpdater.java
Tue Aug 12 10:56:13 2014
@@ -201,6 +201,7 @@ public class TestNodeStatusUpdater {
       Dispatcher mockDispatcher = mock(Dispatcher.class);
       EventHandler mockEventHandler = mock(EventHandler.class);
       when(mockDispatcher.getEventHandler()).thenReturn(mockEventHandler);
+      NMStateStoreService stateStore = new NMNullStateStoreService();
       nodeStatus.setResponseId(heartBeatID++);
       Map<ApplicationId, List<ContainerStatus>> appToContainers =
           getAppToContainerStatusMap(nodeStatus.getContainersStatuses());
@@ -226,9 +227,8 @@ public class TestNodeStatusUpdater {
                 firstContainerID, InetAddress.getByName("localhost")
                     .getCanonicalHostName(), 1234, user, resource,
                 currentTime + 10000, 123, "password".getBytes(), currentTime));
-        Container container =
-            new ContainerImpl(conf, mockDispatcher, launchContext, null,
-              mockMetrics, containerToken);
+        Container container = new ContainerImpl(conf, mockDispatcher,
+            stateStore, launchContext, null, mockMetrics, containerToken);
         this.context.getContainers().put(firstContainerID, container);
       } else if (heartBeatID == 2) {
         // Checks on the RM end
@@ -257,9 +257,8 @@ public class TestNodeStatusUpdater {
                 secondContainerID, InetAddress.getByName("localhost")
                     .getCanonicalHostName(), 1234, user, resource,
                 currentTime + 10000, 123, "password".getBytes(), currentTime));
-        Container container =
-            new ContainerImpl(conf, mockDispatcher, launchContext, null,
-              mockMetrics, containerToken);
+        Container container = new ContainerImpl(conf, mockDispatcher,
+            stateStore, launchContext, null, mockMetrics, containerToken);
         this.context.getContainers().put(secondContainerID, container);
       } else if (heartBeatID == 3) {
         // Checks on the RM end
@@ -784,7 +783,7 @@ public class TestNodeStatusUpdater {
     ContainerId cId = ContainerId.newInstance(appAttemptId, 0);               
                                                                               
                                                                               
-    nodeStatusUpdater.updateStoppedContainersInCache(cId);
+    nodeStatusUpdater.addCompletedContainer(cId);
     Assert.assertTrue(nodeStatusUpdater.isContainerRecentlyStopped(cId));     
                                                                               
     long time1 = System.currentTimeMillis();                                  

Modified: hadoop/common/trunk/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/test/java/org/apache/hadoop/yarn/server/nodemanager/containermanager/BaseContainerManagerTest.java
URL: http://svn.apache.org/viewvc/hadoop/common/trunk/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/test/java/org/apache/hadoop/yarn/server/nodemanager/containermanager/BaseContainerManagerTest.java?rev=1617448&r1=1617447&r2=1617448&view=diff
==============================================================================
--- hadoop/common/trunk/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/test/java/org/apache/hadoop/yarn/server/nodemanager/containermanager/BaseContainerManagerTest.java
(original)
+++ hadoop/common/trunk/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/test/java/org/apache/hadoop/yarn/server/nodemanager/containermanager/BaseContainerManagerTest.java
Tue Aug 12 10:56:13 2014
@@ -233,7 +233,7 @@ public abstract class BaseContainerManag
   protected DeletionService createDeletionService() {
     return new DeletionService(exec) {
       @Override
-      public void delete(String user, Path subDir, Path[] baseDirs) {
+      public void delete(String user, Path subDir, Path... baseDirs) {
         // Don't do any deletions.
         LOG.info("Psuedo delete: user - " + user + ", subDir - " + subDir
             + ", baseDirs - " + baseDirs); 

Modified: hadoop/common/trunk/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/test/java/org/apache/hadoop/yarn/server/nodemanager/containermanager/TestAuxServices.java
URL: http://svn.apache.org/viewvc/hadoop/common/trunk/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/test/java/org/apache/hadoop/yarn/server/nodemanager/containermanager/TestAuxServices.java?rev=1617448&r1=1617447&r2=1617448&view=diff
==============================================================================
--- hadoop/common/trunk/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/test/java/org/apache/hadoop/yarn/server/nodemanager/containermanager/TestAuxServices.java
(original)
+++ hadoop/common/trunk/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/test/java/org/apache/hadoop/yarn/server/nodemanager/containermanager/TestAuxServices.java
Tue Aug 12 10:56:13 2014
@@ -191,7 +191,8 @@ public class TestAuxServices {
     ContainerTokenIdentifier cti = new ContainerTokenIdentifier(
         ContainerId.newInstance(attemptId, 1), "", "",
         Resource.newInstance(1, 1), 0,0,0, Priority.newInstance(0), 0);
-    Container container = new ContainerImpl(null, null, null, null, null, cti);
+    Container container = new ContainerImpl(null, null, null, null, null,
+        null, cti);
     ContainerId containerId = container.getContainerId();
     Resource resource = container.getResource();
     event = new AuxServicesEvent(AuxServicesEventType.CONTAINER_INIT,container);

Modified: hadoop/common/trunk/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/test/java/org/apache/hadoop/yarn/server/nodemanager/containermanager/TestContainerManagerRecovery.java
URL: http://svn.apache.org/viewvc/hadoop/common/trunk/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/test/java/org/apache/hadoop/yarn/server/nodemanager/containermanager/TestContainerManagerRecovery.java?rev=1617448&r1=1617447&r2=1617448&view=diff
==============================================================================
--- hadoop/common/trunk/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/test/java/org/apache/hadoop/yarn/server/nodemanager/containermanager/TestContainerManagerRecovery.java
(original)
+++ hadoop/common/trunk/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/test/java/org/apache/hadoop/yarn/server/nodemanager/containermanager/TestContainerManagerRecovery.java
Tue Aug 12 10:56:13 2014
@@ -80,6 +80,7 @@ public class TestContainerManagerRecover
   public void testApplicationRecovery() throws Exception {
     YarnConfiguration conf = new YarnConfiguration();
     conf.setBoolean(YarnConfiguration.NM_RECOVERY_ENABLED, true);
+    conf.set(YarnConfiguration.NM_ADDRESS, "localhost:1234");
     conf.setBoolean(YarnConfiguration.YARN_ACL_ENABLE, true);
     conf.set(YarnConfiguration.YARN_ADMIN_ACL, "yarn_admin_user");
     NMStateStoreService stateStore = new NMMemoryStateStoreService();

Modified: hadoop/common/trunk/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/test/java/org/apache/hadoop/yarn/server/nodemanager/containermanager/container/TestContainer.java
URL: http://svn.apache.org/viewvc/hadoop/common/trunk/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/test/java/org/apache/hadoop/yarn/server/nodemanager/containermanager/container/TestContainer.java?rev=1617448&r1=1617447&r2=1617448&view=diff
==============================================================================
--- hadoop/common/trunk/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/test/java/org/apache/hadoop/yarn/server/nodemanager/containermanager/container/TestContainer.java
(original)
+++ hadoop/common/trunk/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/test/java/org/apache/hadoop/yarn/server/nodemanager/containermanager/container/TestContainer.java
Tue Aug 12 10:56:13 2014
@@ -780,7 +780,8 @@ public class TestContainer {
       }
       when(ctxt.getServiceData()).thenReturn(serviceData);
 
-      c = new ContainerImpl(conf, dispatcher, ctxt, null, metrics, identifier);
+      c = new ContainerImpl(conf, dispatcher, new NMNullStateStoreService(),
+          ctxt, null, metrics, identifier);
       dispatcher.register(ContainerEventType.class,
           new EventHandler<ContainerEvent>() {
             @Override

Modified: hadoop/common/trunk/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/test/java/org/apache/hadoop/yarn/server/nodemanager/recovery/NMMemoryStateStoreService.java
URL: http://svn.apache.org/viewvc/hadoop/common/trunk/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/test/java/org/apache/hadoop/yarn/server/nodemanager/recovery/NMMemoryStateStoreService.java?rev=1617448&r1=1617447&r2=1617448&view=diff
==============================================================================
--- hadoop/common/trunk/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/test/java/org/apache/hadoop/yarn/server/nodemanager/recovery/NMMemoryStateStoreService.java
(original)
+++ hadoop/common/trunk/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/test/java/org/apache/hadoop/yarn/server/nodemanager/recovery/NMMemoryStateStoreService.java
Tue Aug 12 10:56:13 2014
@@ -22,13 +22,16 @@ import java.io.IOException;
 import java.util.ArrayList;
 import java.util.HashMap;
 import java.util.HashSet;
+import java.util.List;
 import java.util.Map;
 import java.util.Set;
 
 import org.apache.hadoop.conf.Configuration;
 import org.apache.hadoop.fs.Path;
+import org.apache.hadoop.yarn.api.protocolrecords.StartContainerRequest;
 import org.apache.hadoop.yarn.api.records.ApplicationAttemptId;
 import org.apache.hadoop.yarn.api.records.ApplicationId;
+import org.apache.hadoop.yarn.api.records.ContainerExitStatus;
 import org.apache.hadoop.yarn.api.records.ContainerId;
 import org.apache.hadoop.yarn.proto.YarnProtos.LocalResourceProto;
 import org.apache.hadoop.yarn.proto.YarnServerNodemanagerRecoveryProtos.ContainerManagerApplicationProto;
@@ -40,6 +43,7 @@ import org.apache.hadoop.yarn.server.api
 public class NMMemoryStateStoreService extends NMStateStoreService {
   private Map<ApplicationId, ContainerManagerApplicationProto> apps;
   private Set<ApplicationId> finishedApps;
+  private Map<ContainerId, RecoveredContainerState> containerStates;
   private Map<TrackerKey, TrackerState> trackerStates;
   private Map<Integer, DeletionServiceDeleteTaskProto> deleteTasks;
   private RecoveredNMTokensState nmTokenState;
@@ -53,6 +57,7 @@ public class NMMemoryStateStoreService e
   protected void initStorage(Configuration conf) {
     apps = new HashMap<ApplicationId, ContainerManagerApplicationProto>();
     finishedApps = new HashSet<ApplicationId>();
+    containerStates = new HashMap<ContainerId, RecoveredContainerState>();
     nmTokenState = new RecoveredNMTokensState();
     nmTokenState.applicationMasterKeys =
         new HashMap<ApplicationAttemptId, MasterKey>();
@@ -100,6 +105,77 @@ public class NMMemoryStateStoreService e
     finishedApps.remove(appId);
   }
 
+  @Override
+  public List<RecoveredContainerState> loadContainersState()
+      throws IOException {
+    // return a copy so caller can't modify our state
+    List<RecoveredContainerState> result =
+        new ArrayList<RecoveredContainerState>(containerStates.size());
+    for (RecoveredContainerState rcs : containerStates.values()) {
+      RecoveredContainerState rcsCopy = new RecoveredContainerState();
+      rcsCopy.status = rcs.status;
+      rcsCopy.exitCode = rcs.exitCode;
+      rcsCopy.killed = rcs.killed;
+      rcsCopy.diagnostics = rcs.diagnostics;
+      rcsCopy.startRequest = rcs.startRequest;
+      result.add(rcsCopy);
+    }
+    return new ArrayList<RecoveredContainerState>();
+  }
+
+  @Override
+  public void storeContainer(ContainerId containerId,
+      StartContainerRequest startRequest) throws IOException {
+    RecoveredContainerState rcs = new RecoveredContainerState();
+    rcs.startRequest = startRequest;
+    containerStates.put(containerId, rcs);
+  }
+
+  @Override
+  public void storeContainerDiagnostics(ContainerId containerId,
+      StringBuilder diagnostics) throws IOException {
+    RecoveredContainerState rcs = getRecoveredContainerState(containerId);
+    rcs.diagnostics = diagnostics.toString();
+  }
+
+  @Override
+  public void storeContainerLaunched(ContainerId containerId)
+      throws IOException {
+    RecoveredContainerState rcs = getRecoveredContainerState(containerId);
+    if (rcs.exitCode != ContainerExitStatus.INVALID) {
+      throw new IOException("Container already completed");
+    }
+    rcs.status = RecoveredContainerStatus.LAUNCHED;
+  }
+
+  @Override
+  public void storeContainerKilled(ContainerId containerId)
+      throws IOException {
+    RecoveredContainerState rcs = getRecoveredContainerState(containerId);
+    rcs.killed = true;
+  }
+
+  @Override
+  public void storeContainerCompleted(ContainerId containerId, int exitCode)
+      throws IOException {
+    RecoveredContainerState rcs = getRecoveredContainerState(containerId);
+    rcs.status = RecoveredContainerStatus.COMPLETED;
+    rcs.exitCode = exitCode;
+  }
+
+  @Override
+  public void removeContainer(ContainerId containerId) throws IOException {
+    containerStates.remove(containerId);
+  }
+
+  private RecoveredContainerState getRecoveredContainerState(
+      ContainerId containerId) throws IOException {
+    RecoveredContainerState rcs = containerStates.get(containerId);
+    if (rcs == null) {
+      throw new IOException("No start request for " + containerId);
+    }
+    return rcs;
+  }
 
   private LocalResourceTrackerState loadTrackerState(TrackerState ts) {
     LocalResourceTrackerState result = new LocalResourceTrackerState();

Modified: hadoop/common/trunk/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/test/java/org/apache/hadoop/yarn/server/nodemanager/recovery/TestNMLeveldbStateStoreService.java
URL: http://svn.apache.org/viewvc/hadoop/common/trunk/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/test/java/org/apache/hadoop/yarn/server/nodemanager/recovery/TestNMLeveldbStateStoreService.java?rev=1617448&r1=1617447&r2=1617448&view=diff
==============================================================================
--- hadoop/common/trunk/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/test/java/org/apache/hadoop/yarn/server/nodemanager/recovery/TestNMLeveldbStateStoreService.java
(original)
+++ hadoop/common/trunk/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/test/java/org/apache/hadoop/yarn/server/nodemanager/recovery/TestNMLeveldbStateStoreService.java
Tue Aug 12 10:56:13 2014
@@ -25,18 +25,30 @@ import static org.junit.Assert.assertTru
 
 import java.io.File;
 import java.io.IOException;
+import java.nio.ByteBuffer;
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.List;
 import java.util.Map;
 
 import org.apache.hadoop.conf.Configuration;
 import org.apache.hadoop.fs.FileUtil;
 import org.apache.hadoop.fs.Path;
 import org.apache.hadoop.service.ServiceStateException;
+import org.apache.hadoop.yarn.api.protocolrecords.StartContainerRequest;
+import org.apache.hadoop.yarn.api.records.ApplicationAccessType;
 import org.apache.hadoop.yarn.api.records.ApplicationAttemptId;
 import org.apache.hadoop.yarn.api.records.ApplicationId;
+import org.apache.hadoop.yarn.api.records.ContainerExitStatus;
 import org.apache.hadoop.yarn.api.records.ContainerId;
+import org.apache.hadoop.yarn.api.records.ContainerLaunchContext;
 import org.apache.hadoop.yarn.api.records.LocalResource;
 import org.apache.hadoop.yarn.api.records.LocalResourceType;
 import org.apache.hadoop.yarn.api.records.LocalResourceVisibility;
+import org.apache.hadoop.yarn.api.records.Priority;
+import org.apache.hadoop.yarn.api.records.Resource;
+import org.apache.hadoop.yarn.api.records.Token;
+import org.apache.hadoop.yarn.api.records.URL;
 import org.apache.hadoop.yarn.api.records.impl.pb.ApplicationIdPBImpl;
 import org.apache.hadoop.yarn.api.records.impl.pb.LocalResourcePBImpl;
 import org.apache.hadoop.yarn.conf.YarnConfiguration;
@@ -44,9 +56,12 @@ import org.apache.hadoop.yarn.proto.Yarn
 import org.apache.hadoop.yarn.proto.YarnServerNodemanagerRecoveryProtos.ContainerManagerApplicationProto;
 import org.apache.hadoop.yarn.proto.YarnServerNodemanagerRecoveryProtos.DeletionServiceDeleteTaskProto;
 import org.apache.hadoop.yarn.proto.YarnServerNodemanagerRecoveryProtos.LocalizedResourceProto;
+import org.apache.hadoop.yarn.security.ContainerTokenIdentifier;
 import org.apache.hadoop.yarn.server.api.records.MasterKey;
 import org.apache.hadoop.yarn.server.nodemanager.recovery.NMStateStoreService.LocalResourceTrackerState;
 import org.apache.hadoop.yarn.server.nodemanager.recovery.NMStateStoreService.RecoveredApplicationsState;
+import org.apache.hadoop.yarn.server.nodemanager.recovery.NMStateStoreService.RecoveredContainerState;
+import org.apache.hadoop.yarn.server.nodemanager.recovery.NMStateStoreService.RecoveredContainerStatus;
 import org.apache.hadoop.yarn.server.nodemanager.recovery.NMStateStoreService.RecoveredContainerTokensState;
 import org.apache.hadoop.yarn.server.nodemanager.recovery.NMStateStoreService.RecoveredDeletionServiceState;
 import org.apache.hadoop.yarn.server.nodemanager.recovery.NMStateStoreService.RecoveredLocalizationState;
@@ -193,6 +208,115 @@ public class TestNMLeveldbStateStoreServ
   }
 
   @Test
+  public void testContainerStorage() throws IOException {
+    // test empty when no state
+    List<RecoveredContainerState> recoveredContainers =
+        stateStore.loadContainersState();
+    assertTrue(recoveredContainers.isEmpty());
+
+    // create a container request
+    ApplicationId appId = ApplicationId.newInstance(1234, 3);
+    ApplicationAttemptId appAttemptId =
+        ApplicationAttemptId.newInstance(appId, 4);
+    ContainerId containerId = ContainerId.newInstance(appAttemptId, 5);
+    LocalResource lrsrc = LocalResource.newInstance(
+        URL.newInstance("hdfs", "somehost", 12345, "/some/path/to/rsrc"),
+        LocalResourceType.FILE, LocalResourceVisibility.APPLICATION, 123L,
+        1234567890L);
+    Map<String, LocalResource> localResources =
+        new HashMap<String, LocalResource>();
+    localResources.put("rsrc", lrsrc);
+    Map<String, String> env = new HashMap<String, String>();
+    env.put("somevar", "someval");
+    List<String> containerCmds = new ArrayList<String>();
+    containerCmds.add("somecmd");
+    containerCmds.add("somearg");
+    Map<String, ByteBuffer> serviceData = new HashMap<String, ByteBuffer>();
+    serviceData.put("someservice",
+        ByteBuffer.wrap(new byte[] { 0x1, 0x2, 0x3 }));
+    ByteBuffer containerTokens =
+        ByteBuffer.wrap(new byte[] { 0x7, 0x8, 0x9, 0xa });
+    Map<ApplicationAccessType, String> acls =
+        new HashMap<ApplicationAccessType, String>();
+    acls.put(ApplicationAccessType.VIEW_APP, "viewuser");
+    acls.put(ApplicationAccessType.MODIFY_APP, "moduser");
+    ContainerLaunchContext clc = ContainerLaunchContext.newInstance(
+        localResources, env, containerCmds, serviceData, containerTokens,
+        acls);
+    Resource containerRsrc = Resource.newInstance(1357, 3);
+    ContainerTokenIdentifier containerTokenId =
+        new ContainerTokenIdentifier(containerId, "host", "user",
+            containerRsrc, 9876543210L, 42, 2468, Priority.newInstance(7),
+            13579);
+    Token containerToken = Token.newInstance(containerTokenId.getBytes(),
+        ContainerTokenIdentifier.KIND.toString(), "password".getBytes(),
+        "tokenservice");
+    StartContainerRequest containerReq =
+        StartContainerRequest.newInstance(clc, containerToken);
+
+    // store a container and verify recovered
+    stateStore.storeContainer(containerId, containerReq);
+    restartStateStore();
+    recoveredContainers = stateStore.loadContainersState();
+    assertEquals(1, recoveredContainers.size());
+    RecoveredContainerState rcs = recoveredContainers.get(0);
+    assertEquals(RecoveredContainerStatus.REQUESTED, rcs.getStatus());
+    assertEquals(ContainerExitStatus.INVALID, rcs.getExitCode());
+    assertEquals(false, rcs.getKilled());
+    assertEquals(containerReq, rcs.getStartRequest());
+    assertTrue(rcs.getDiagnostics().isEmpty());
+
+    // launch the container, add some diagnostics, and verify recovered
+    StringBuilder diags = new StringBuilder();
+    stateStore.storeContainerLaunched(containerId);
+    diags.append("some diags for container");
+    stateStore.storeContainerDiagnostics(containerId, diags);
+    restartStateStore();
+    recoveredContainers = stateStore.loadContainersState();
+    assertEquals(1, recoveredContainers.size());
+    rcs = recoveredContainers.get(0);
+    assertEquals(RecoveredContainerStatus.LAUNCHED, rcs.getStatus());
+    assertEquals(ContainerExitStatus.INVALID, rcs.getExitCode());
+    assertEquals(false, rcs.getKilled());
+    assertEquals(containerReq, rcs.getStartRequest());
+    assertEquals(diags.toString(), rcs.getDiagnostics());
+
+    // mark the container killed, add some more diags, and verify recovered
+    diags.append("some more diags for container");
+    stateStore.storeContainerDiagnostics(containerId, diags);
+    stateStore.storeContainerKilled(containerId);
+    restartStateStore();
+    recoveredContainers = stateStore.loadContainersState();
+    assertEquals(1, recoveredContainers.size());
+    rcs = recoveredContainers.get(0);
+    assertEquals(RecoveredContainerStatus.LAUNCHED, rcs.getStatus());
+    assertEquals(ContainerExitStatus.INVALID, rcs.getExitCode());
+    assertTrue(rcs.getKilled());
+    assertEquals(containerReq, rcs.getStartRequest());
+    assertEquals(diags.toString(), rcs.getDiagnostics());
+
+    // add yet more diags, mark container completed, and verify recovered
+    diags.append("some final diags");
+    stateStore.storeContainerDiagnostics(containerId, diags);
+    stateStore.storeContainerCompleted(containerId, 21);
+    restartStateStore();
+    recoveredContainers = stateStore.loadContainersState();
+    assertEquals(1, recoveredContainers.size());
+    rcs = recoveredContainers.get(0);
+    assertEquals(RecoveredContainerStatus.COMPLETED, rcs.getStatus());
+    assertEquals(21, rcs.getExitCode());
+    assertTrue(rcs.getKilled());
+    assertEquals(containerReq, rcs.getStartRequest());
+    assertEquals(diags.toString(), rcs.getDiagnostics());
+
+    // remove the container and verify not recovered
+    stateStore.removeContainer(containerId);
+    restartStateStore();
+    recoveredContainers = stateStore.loadContainersState();
+    assertTrue(recoveredContainers.isEmpty());
+  }
+
+  @Test
   public void testStartResourceLocalization() throws IOException {
     String user = "somebody";
     ApplicationId appId = ApplicationId.newInstance(1, 1);

Modified: hadoop/common/trunk/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/test/java/org/apache/hadoop/yarn/server/nodemanager/webapp/TestNMWebServer.java
URL: http://svn.apache.org/viewvc/hadoop/common/trunk/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/test/java/org/apache/hadoop/yarn/server/nodemanager/webapp/TestNMWebServer.java?rev=1617448&r1=1617447&r2=1617448&view=diff
==============================================================================
--- hadoop/common/trunk/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/test/java/org/apache/hadoop/yarn/server/nodemanager/webapp/TestNMWebServer.java
(original)
+++ hadoop/common/trunk/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/test/java/org/apache/hadoop/yarn/server/nodemanager/webapp/TestNMWebServer.java
Tue Aug 12 10:56:13 2014
@@ -209,7 +209,7 @@ public class TestNMWebServer {
             BuilderUtils.newResource(1024, 1), currentTime + 10000L, 123,
             "password".getBytes(), currentTime);
       Container container =
-          new ContainerImpl(conf, dispatcher, launchContext,
+          new ContainerImpl(conf, dispatcher, stateStore, launchContext,
             null, metrics,
             BuilderUtils.newContainerTokenIdentifier(containerToken)) {
 

Modified: hadoop/common/trunk/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/rmnode/RMNodeImpl.java
URL: http://svn.apache.org/viewvc/hadoop/common/trunk/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/rmnode/RMNodeImpl.java?rev=1617448&r1=1617447&r2=1617448&view=diff
==============================================================================
--- hadoop/common/trunk/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/rmnode/RMNodeImpl.java
(original)
+++ hadoop/common/trunk/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/rmnode/RMNodeImpl.java
Tue Aug 12 10:56:13 2014
@@ -93,9 +93,9 @@ public class RMNodeImpl implements RMNod
   private final RMContext context;
   private final String hostName;
   private final int commandPort;
-  private final int httpPort;
+  private int httpPort;
   private final String nodeAddress; // The containerManager address
-  private final String httpAddress;
+  private String httpAddress;
   private volatile ResourceOption resourceOption;
   private final Node node;
 
@@ -521,37 +521,15 @@ public class RMNodeImpl implements RMNod
 
     @Override
     public void transition(RMNodeImpl rmNode, RMNodeEvent event) {
-      // Kill containers since node is rejoining.
-      rmNode.nodeUpdateQueue.clear();
-      rmNode.context.getDispatcher().getEventHandler().handle(
-          new NodeRemovedSchedulerEvent(rmNode));
-
       RMNodeReconnectEvent reconnectEvent = (RMNodeReconnectEvent) event;
       RMNode newNode = reconnectEvent.getReconnectedNode();
       rmNode.nodeManagerVersion = newNode.getNodeManagerVersion();
-      if (rmNode.getTotalCapability().equals(newNode.getTotalCapability())
-          && rmNode.getHttpPort() == newNode.getHttpPort()) {
-        // Reset heartbeat ID since node just restarted.
-        rmNode.getLastNodeHeartBeatResponse().setResponseId(0);
-        if (rmNode.getState() != NodeState.UNHEALTHY) {
-          // Only add new node if old state is not UNHEALTHY
-          rmNode.context.getDispatcher().getEventHandler().handle(
-              new NodeAddedSchedulerEvent(rmNode));
-        }
-      } else {
-        // Reconnected node differs, so replace old node and start new node
-        switch (rmNode.getState()) {
-        case RUNNING:
-          ClusterMetrics.getMetrics().decrNumActiveNodes();
-          break;
-        case UNHEALTHY:
-          ClusterMetrics.getMetrics().decrNumUnhealthyNMs();
-          break;
-        }
-        rmNode.context.getRMNodes().put(newNode.getNodeID(), newNode);
-        rmNode.context.getDispatcher().getEventHandler().handle(
-            new RMNodeStartedEvent(newNode.getNodeID(), null, null));
-      }
+      rmNode.httpPort = newNode.getHttpPort();
+      rmNode.httpAddress = newNode.getHttpAddress();
+      rmNode.resourceOption = newNode.getResourceOption();
+
+      // Reset heartbeat ID since node just restarted.
+      rmNode.getLastNodeHeartBeatResponse().setResponseId(0);
 
       if (null != reconnectEvent.getRunningApplications()) {
         for (ApplicationId appId : reconnectEvent.getRunningApplications()) {

Modified: hadoop/common/trunk/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/SchedulerUtils.java
URL: http://svn.apache.org/viewvc/hadoop/common/trunk/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/SchedulerUtils.java?rev=1617448&r1=1617447&r2=1617448&view=diff
==============================================================================
--- hadoop/common/trunk/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/SchedulerUtils.java
(original)
+++ hadoop/common/trunk/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/SchedulerUtils.java
Tue Aug 12 10:56:13 2014
@@ -153,14 +153,17 @@ public class SchedulerUtils {
    * @param rmNode RMNode with new resource view
    * @param clusterResource the cluster's resource that need to update
    * @param log Scheduler's log for resource change
+   * @return true if the resources have changed
    */
-  public static void updateResourceIfChanged(SchedulerNode node, 
+  public static boolean updateResourceIfChanged(SchedulerNode node,
       RMNode rmNode, Resource clusterResource, Log log) {
+    boolean result = false;
     Resource oldAvailableResource = node.getAvailableResource();
     Resource newAvailableResource = Resources.subtract(
         rmNode.getTotalCapability(), node.getUsedResource());
     
     if (!newAvailableResource.equals(oldAvailableResource)) {
+      result = true;
       Resource deltaResource = Resources.subtract(newAvailableResource,
           oldAvailableResource);
       // Reflect resource change to scheduler node.
@@ -176,6 +179,8 @@ public class SchedulerUtils {
           + " with delta: CPU: " + deltaResource.getMemory() + "core, Memory: "
           + deltaResource.getMemory() +"MB");
     }
+
+    return result;
   }
 
   /**

Modified: hadoop/common/trunk/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/CapacityScheduler.java
URL: http://svn.apache.org/viewvc/hadoop/common/trunk/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/CapacityScheduler.java?rev=1617448&r1=1617447&r2=1617448&view=diff
==============================================================================
--- hadoop/common/trunk/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/CapacityScheduler.java
(original)
+++ hadoop/common/trunk/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/CapacityScheduler.java
Tue Aug 12 10:56:13 2014
@@ -783,7 +783,10 @@ public class CapacityScheduler extends
     FiCaSchedulerNode node = getNode(nm.getNodeID());
     
     // Update resource if any change
-    SchedulerUtils.updateResourceIfChanged(node, nm, clusterResource, LOG);
+    if (SchedulerUtils.updateResourceIfChanged(node, nm, clusterResource,
+        LOG)) {
+      root.updateClusterResource(clusterResource);
+    }
     
     List<UpdatedContainerInfo> containerInfoList = nm.pullContainerUpdates();
     List<ContainerStatus> newlyLaunchedContainers = new ArrayList<ContainerStatus>();

Modified: hadoop/common/trunk/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/TestResourceTrackerService.java
URL: http://svn.apache.org/viewvc/hadoop/common/trunk/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/TestResourceTrackerService.java?rev=1617448&r1=1617447&r2=1617448&view=diff
==============================================================================
--- hadoop/common/trunk/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/TestResourceTrackerService.java
(original)
+++ hadoop/common/trunk/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/TestResourceTrackerService.java
Tue Aug 12 10:56:13 2014
@@ -595,7 +595,7 @@ public class TestResourceTrackerService 
     // reconnect of node with changed capability
     nm1 = rm.registerNode("host2:5678", 10240);
     dispatcher.await();
-    response = nm2.nodeHeartbeat(true);
+    response = nm1.nodeHeartbeat(true);
     dispatcher.await();
     Assert.assertTrue(NodeAction.NORMAL.equals(response.getNodeAction()));
     Assert.assertEquals(5120 + 10240, metrics.getAvailableMB());



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