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From "kyungwan nam (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-6153) keepContainer does not work when AM retry window is set
Date Tue, 21 Feb 2017 09:41:44 GMT

    [ https://issues.apache.org/jira/browse/YARN-6153?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15875688#comment-15875688

kyungwan nam commented on YARN-6153:

In RMAppAttemptImpl, why is getStartTime used for checking validityInterval. Also, given that
shouldCountTowardsMaxAttemptRetry internally already contains checking validity interval,
this code is not needed ? because it's already done in the if (!appAttempt.shouldCountTowardsMaxAttemptRetry())
{ before.

in the BaseFinalTransition.transition, appAttempt’s finishTime would be just a few milliseconds
because the finishTime was set in the preceding state (FINAL_SAVING).
that's why getStartTime is used for checking validity interval.

> keepContainer does not work when AM retry window is set
> -------------------------------------------------------
>                 Key: YARN-6153
>                 URL: https://issues.apache.org/jira/browse/YARN-6153
>             Project: Hadoop YARN
>          Issue Type: Bug
>          Components: resourcemanager
>    Affects Versions: 2.7.1
>            Reporter: kyungwan nam
>         Attachments: YARN-6153.001.patch, YARN-6153.002.patch
> yarn.resourcemanager.am.max-attempts has been configured to 2 in my cluster.
> I submitted a YARN application (slider app) that keepContainers=true, attemptFailuresValidityInterval=300000.
> it did work properly when AM was failed firstly.
> all containers launched by previous AM were resynced with new AM (attempt2) without killing
> after 10 minutes, I thought AM failure count was reset by attemptFailuresValidityInterval
(5 minutes).
> but, all containers were killed when AM was failed secondly. (new AM attempt3 was launched

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