Examples of org.apache.hadoop.mapreduce.v2.hs.JHSDelegationTokenSecretManager

Package org.apache.hadoop.mapreduce.v2.hs

Examples of org.apache.hadoop.mapreduce.v2.hs.JHSDelegationTokenSecretManager

org.apache.hadoop.mapreduce.v2.app.rm.ContainerRequestEvent
A MapReduce specific delegation token secret manager. The secret manager is responsible for generating and accepting the password for each token.

      //make remoteTask reference as null as it is no more needed
      //and free up the memory
      taskAttempt.remoteTask = null;
      
      //tell the Task that attempt has started
      taskAttempt.eventHandler.handle(new TaskTAttemptEvent(
          taskAttempt.attemptId, 
         TaskEventType.T_ATTEMPT_LAUNCHED));
    }

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      SingleArcTransition<TaskAttemptImpl, TaskAttemptEvent> {
    @SuppressWarnings("unchecked")
    @Override
    public void transition(TaskAttemptImpl taskAttempt, 
        TaskAttemptEvent event) {
      taskAttempt.eventHandler.handle(new TaskTAttemptEvent(
          taskAttempt.attemptId, 
         TaskEventType.T_ATTEMPT_COMMIT_PENDING));
    }

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      //set the finish time
      taskAttempt.setFinishTime();
      taskAttempt.eventHandler.handle(
          createJobCounterUpdateEventTASucceeded(taskAttempt));
      taskAttempt.logAttemptFinishedEvent(TaskAttemptStateInternal.SUCCEEDED);
      taskAttempt.eventHandler.handle(new TaskTAttemptEvent(
          taskAttempt.attemptId,
          TaskEventType.T_ATTEMPT_SUCCEEDED));
      taskAttempt.eventHandler.handle
      (new SpeculatorEvent
          (taskAttempt.reportedStatus, taskAttempt.clock.getTime()));

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        // handling failed map/reduce events.
      }else {
        LOG.debug("Not generating HistoryFinish event since start event not " +
            "generated for taskAttempt: " + taskAttempt.getID());
      }
      taskAttempt.eventHandler.handle(new TaskTAttemptEvent(
          taskAttempt.attemptId, TaskEventType.T_ATTEMPT_FAILED));
    }

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            taskAttempt.attemptId.getTaskId().getJobId(), tauce));
      }else {
        LOG.debug("Not generating HistoryFinish event since start event not " +
            "generated for taskAttempt: " + taskAttempt.getID());
      }
      taskAttempt.eventHandler.handle(new TaskTAttemptEvent(
          taskAttempt.attemptId, TaskEventType.T_ATTEMPT_FAILED));
    }

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          .handle(createJobCounterUpdateEventTAKilled(taskAttempt, true));
      TaskAttemptUnsuccessfulCompletionEvent tauce = createTaskAttemptUnsuccessfulCompletionEvent(
          taskAttempt, TaskAttemptStateInternal.KILLED);
      taskAttempt.eventHandler.handle(new JobHistoryEvent(taskAttempt.attemptId
          .getTaskId().getJobId(), tauce));
      taskAttempt.eventHandler.handle(new TaskTAttemptEvent(
          taskAttempt.attemptId, TaskEventType.T_ATTEMPT_KILLED));
      return TaskAttemptStateInternal.KILLED;
    }

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      super(1, 0, false, "TaskFailWithUnsedContainer", true);
    }


    @Override
    protected ContainerLauncher createContainerLauncher(AppContext context) {
      return new ContainerLauncherImpl(context) {
        @Override
        public void handle(ContainerLauncherEvent event) {


          switch (event.getType()) {
          case CONTAINER_REMOTE_LAUNCH:

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      ContainerLaunchContext launchContext = createContainerLaunchContext(
          cEvent.getApplicationACLs(), taskAttempt.conf, taskAttempt.jobToken,
          taskAttempt.remoteTask, taskAttempt.oldJobId, taskAttempt.jvmID,
          taskAttempt.taskAttemptListener, taskAttempt.credentials);
      taskAttempt.eventHandler
        .handle(new ContainerRemoteLaunchEvent(taskAttempt.attemptId,
          launchContext, container, taskAttempt.remoteTask));


      // send event to speculator that our container needs are satisfied
      taskAttempt.eventHandler.handle
          (new SpeculatorEvent(taskAttempt.getID().getTaskId(), -1));

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            ((TaskAttemptKillEvent) event).getMessage());
      }


      //send the deallocate event to ContainerAllocator
      taskAttempt.eventHandler.handle(
          new ContainerAllocatorEvent(taskAttempt.attemptId,
          ContainerAllocator.EventType.CONTAINER_DEALLOCATE));


      // send event to speculator that we withdraw our container needs, if
      //  we're transitioning out of UNASSIGNED
      if (withdrawsContainerRequest) {

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        taskAttempt.eventHandler.handle(
            ContainerRequestEvent.createContainerRequestEventForFailedContainer(
                taskAttempt.attemptId, 
                taskAttempt.resourceCapability));
      } else {
        taskAttempt.eventHandler.handle(new ContainerRequestEvent(
            taskAttempt.attemptId, taskAttempt.resourceCapability,
            taskAttempt.dataLocalHosts.toArray(
                new String[taskAttempt.dataLocalHosts.size()]),
            taskAttempt.dataLocalRacks.toArray(
                new String[taskAttempt.dataLocalRacks.size()])));

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Related Classes of org.apache.hadoop.mapreduce.v2.hs.JHSDelegationTokenSecretManager

org.apache.hadoop.conf.Configuration

org.apache.hadoop.fs.FileSystem

org.apache.hadoop.fs.FSDataInputStream

org.apache.hadoop.fs.Path

org.apache.hadoop.fs.permission.FsPermission

org.apache.hadoop.mapred.JobConf

org.apache.hadoop.mapred.TaskAttemptListenerImpl

org.apache.hadoop.mapred.TestClientRedirect

org.apache.hadoop.mapred.TestClientRedirect$AMService

org.apache.hadoop.mapred.TestClientRedirect$HistoryService

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