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From "Sunil G (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-1408) Preemption caused Invalid State Event: ACQUIRED at KILLED and caused a task timeout for 30mins
Date Wed, 09 Jul 2014 05:06:05 GMT

    [ https://issues.apache.org/jira/browse/YARN-1408?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14055852#comment-14055852
] 

Sunil G commented on YARN-1408:
-------------------------------

Thanks [~jianhe] for the comment.

{code}
// Remove from the list of newly allocated containers if found
    newlyAllocatedContainers.remove(rmContainer);
{code}

In *FicaSchedulerApp#containerCompleted*, the preempted container is removed from newlyAllocatedContainers
(as in patch). So pullNewlyAllocatedContainersAndNMTokens will not get this container from
newlyAllocatedContainers. So duplicate containers will not reach AM. I missed to add this
to FSSchedulerApp. Please check this part and let me know if I am inline with your scenario.


> Preemption caused Invalid State Event: ACQUIRED at KILLED and caused a task timeout for
30mins
> ----------------------------------------------------------------------------------------------
>
>                 Key: YARN-1408
>                 URL: https://issues.apache.org/jira/browse/YARN-1408
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>          Components: resourcemanager
>    Affects Versions: 2.2.0
>            Reporter: Sunil G
>            Assignee: Sunil G
>         Attachments: Yarn-1408.1.patch, Yarn-1408.2.patch, Yarn-1408.3.patch, Yarn-1408.4.patch,
Yarn-1408.5.patch, Yarn-1408.6.patch, Yarn-1408.7.patch, Yarn-1408.patch
>
>
> Capacity preemption is enabled as follows.
>  *  yarn.resourcemanager.scheduler.monitor.enable= true ,
>  *  yarn.resourcemanager.scheduler.monitor.policies=org.apache.hadoop.yarn.server.resourcemanager.monitor.capacity.ProportionalCapacityPreemptionPolicy
> Queue = a,b
> Capacity of Queue A = 80%
> Capacity of Queue B = 20%
> Step 1: Assign a big jobA on queue a which uses full cluster capacity
> Step 2: Submitted a jobB to queue b  which would use less than 20% of cluster capacity
> JobA task which uses queue b capcity is been preempted and killed.
> This caused below problem:
> 1. New Container has got allocated for jobA in Queue A as per node update from an NM.
> 2. This container has been preempted immediately as per preemption.
> Here ACQUIRED at KILLED Invalid State exception came when the next AM heartbeat reached
RM.
> ERROR org.apache.hadoop.yarn.server.resourcemanager.rmcontainer.RMContainerImpl: Can't
handle this event at current state
> org.apache.hadoop.yarn.state.InvalidStateTransitonException: Invalid event: ACQUIRED
at KILLED
> This also caused the Task to go for a timeout for 30minutes as this Container was already
killed by preemption.
> attempt_1380289782418_0003_m_000000_0 Timed out after 1800 secs



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