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From "Daryn Sharp (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-3760) Log aggregation failures
Date Tue, 02 Jun 2015 15:40:25 GMT

    [ https://issues.apache.org/jira/browse/YARN-3760?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14569289#comment-14569289
] 

Daryn Sharp commented on YARN-3760:
-----------------------------------

Cancelled tokens trigger the retry proxy bug.

> Log aggregation failures 
> -------------------------
>
>                 Key: YARN-3760
>                 URL: https://issues.apache.org/jira/browse/YARN-3760
>             Project: Hadoop YARN
>          Issue Type: Bug
>          Components: nodemanager
>    Affects Versions: 2.4.0
>            Reporter: Daryn Sharp
>            Priority: Critical
>
> The aggregated log file does not appear to be properly closed when writes fail.  This
leaves a lease renewer active in the NM that spams the NN with lease renewals.  If the token
is marked not to be cancelled, the renewals appear to continue until the token expires.  If
the token is cancelled, the periodic renew spam turns into a flood of failed connections until
the lease renewer gives up.



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