Examples with AMContainerEventCompleted org.apache.tez.dag.app.rm.container.AMContainerEventCompleted used on opensource projects

Example 6 with AMContainerEventCompleted

use of org.apache.tez.dag.app.rm.container.AMContainerEventCompleted in project tez by apache.

the class TaskSchedulerManager method preemptContainer.

public void preemptContainer(int schedulerId, ContainerId containerId) {
    // TODO Why is this making a call back into the scheduler, when the call is originating from there.
    // An AMContainer instance should already exist if an attempt is being made to preempt it
    AMContainer amContainer = appContext.getAllContainers().get(containerId);
    try {
        taskSchedulers[amContainer.getTaskSchedulerIdentifier()].deallocateContainer(containerId);
    } catch (Exception e) {
        String msg = "Error in TaskScheduler when preempting container" + ", scheduler=" + Utils.getTaskSchedulerIdentifierString(amContainer.getTaskSchedulerIdentifier(), appContext) + ", containerId=" + containerId;
        LOG.error(msg, e);
        sendEvent(new DAGAppMasterEventUserServiceFatalError(DAGAppMasterEventType.TASK_SCHEDULER_SERVICE_FATAL_ERROR, msg, e));
    }
    // Inform the Containers about completion.
    sendEvent(new AMContainerEventCompleted(containerId, ContainerExitStatus.INVALID, "Container preempted internally", TaskAttemptTerminationCause.INTERNAL_PREEMPTION));
}