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Posted to yarn-issues@hadoop.apache.org by "Siqi Li (JIRA)" <ji...@apache.org> on 2014/11/03 19:43:34 UTC

[jira] [Updated] (YARN-2730) Only one localizer can run on a NodeManager at a time

     [ https://issues.apache.org/jira/browse/YARN-2730?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Siqi Li updated YARN-2730:
--------------------------
    Attachment: YARN-2730.v3.patch

> Only one localizer can run on a NodeManager at a time
> -----------------------------------------------------
>
>                 Key: YARN-2730
>                 URL: https://issues.apache.org/jira/browse/YARN-2730
>             Project: Hadoop YARN
>          Issue Type: Bug
>    Affects Versions: 2.4.0
>            Reporter: Siqi Li
>            Assignee: Siqi Li
>            Priority: Critical
>         Attachments: YARN-2730.v1.patch, YARN-2730.v2.patch, YARN-2730.v3.patch
>
>
> We are seeing that when one of the localizerRunner stuck, the rest of the localizerRunners are blocked. We should remove the synchronized modifier.
> The synchronized modifier appears to have been added by https://issues.apache.org/jira/browse/MAPREDUCE-3537
> It could be removed if Localizer doesn't depend on current directory



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