public SchedulerApplicationAttempt(ApplicationAttemptId applicationAttemptId, string
user, Queue queue, ActiveUsersManager activeUsersManager, RMContext rmContext)
{
// This pendingRelease is used in work-preserving recovery scenario to keep
// track of the AM's outstanding release requests. RM on recovery could
// receive the release request form AM before it receives the container status
// from NM for recovery. In this case, the to-be-recovered containers reported
// by NM should not be recovered.
// Time of the last container scheduled at the current allowed level
Preconditions.CheckNotNull(rmContext, "RMContext should not be null");
this.rmContext = rmContext;
this.appSchedulingInfo = new AppSchedulingInfo(applicationAttemptId, user, queue,
activeUsersManager, rmContext.GetEpoch());
this.queue = queue;
this.pendingRelease = new HashSet <ContainerId>();
this.attemptId = applicationAttemptId;
if (rmContext.GetRMApps() != null && rmContext.GetRMApps().Contains(applicationAttemptId
.GetApplicationId()))
{
ApplicationSubmissionContext appSubmissionContext = rmContext.GetRMApps()[applicationAttemptId
.GetApplicationId()].GetApplicationSubmissionContext();
if (appSubmissionContext != null)
{
unmanagedAM = appSubmissionContext.GetUnmanagedAM();
this.logAggregationContext = appSubmissionContext.GetLogAggregationContext();
}
}
}
/// <exception cref="Org.Apache.Hadoop.Yarn.Exceptions.InvalidResourceRequestException
/// "/>
private ResourceRequest ValidateAndCreateResourceRequest(ApplicationSubmissionContext
submissionContext, bool isRecovery)
{
// Validation of the ApplicationSubmissionContext needs to be completed
// here. Only those fields that are dependent on RM's configuration are
// checked here as they have to be validated whether they are part of new
// submission or just being recovered.
// Check whether AM resource requirements are within required limits
if (!submissionContext.GetUnmanagedAM())
{
ResourceRequest amReq = submissionContext.GetAMContainerResourceRequest();
if (amReq == null)
{
amReq = BuilderUtils.NewResourceRequest(RMAppAttemptImpl.AmContainerPriority, ResourceRequest
.Any, submissionContext.GetResource(), 1);
}
// set label expression for AM container
if (null == amReq.GetNodeLabelExpression())
{
amReq.SetNodeLabelExpression(submissionContext.GetNodeLabelExpression());
}
try
{
SchedulerUtils.NormalizeAndValidateRequest(amReq, scheduler.GetMaximumResourceCapability
(), submissionContext.GetQueue(), scheduler, isRecovery, rmContext);
}
catch (InvalidResourceRequestException e)
{
Log.Warn("RM app submission failed in validating AM resource request" + " for application "
+ submissionContext.GetApplicationId(), e);
throw;
}
SchedulerUtils.NormalizeRequest(amReq, scheduler.GetResourceCalculator(), scheduler
.GetClusterResource(), scheduler.GetMinimumResourceCapability(), scheduler.GetMaximumResourceCapability
(), scheduler.GetMinimumResourceCapability());
return(amReq);
}
return(null);
}
