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From "Xianyin Xin (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-5241) FairScheduler repeat container completed
Date Mon, 13 Jun 2016 13:05:20 GMT

    [ https://issues.apache.org/jira/browse/YARN-5241?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15327315#comment-15327315
] 

Xianyin Xin commented on YARN-5241:
-----------------------------------

Thank you for reporting this, [~chenfolin]. So if the containers occasionally exist in completed
state of nodeHeartbeatRequest and in releaseList of AllocateRequest, this problem would happen,
right?
About your patch, could you please re-format it according to the hadoop code conventions mentioned
here [http://wiki.apache.org/hadoop/HowToContribute]? 
cc [~kasha].

> FairScheduler repeat container completed
> ----------------------------------------
>
>                 Key: YARN-5241
>                 URL: https://issues.apache.org/jira/browse/YARN-5241
>             Project: Hadoop YARN
>          Issue Type: Bug
>          Components: fairscheduler
>    Affects Versions: 2.5.0, 2.6.1, 2.8.0, 2.7.2
>            Reporter: ChenFolin
>         Attachments: YARN-5241-001.patch, repeatContainerCompleted.log
>
>
> NodeManager heartbeat event NODE_UPDATE and ApplicationMaster allocate operate may cause
repeat container completed, it can lead something wrong.
> Node releaseContainer can pervent repeat release operate:
> like:
> public synchronized void releaseContainer(Container container) {
>     if (!isValidContainer(container.getId())) {
>       LOG.error("Invalid container released " + container);
>       return;
>     }
> FSAppAttempt containerCompleted did not prevent repeat container completed operate.
> Detail logs at attach file.



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