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Posted to yarn-issues@hadoop.apache.org by "Vinod Kumar Vavilapalli (JIRA)" <ji...@apache.org> on 2012/10/17 20:20:04 UTC

[jira] [Assigned] (YARN-162) nodemanager log aggregation has scaling issues with namenode

     [ https://issues.apache.org/jira/browse/YARN-162?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Vinod Kumar Vavilapalli reassigned YARN-162:
--------------------------------------------

    Assignee: Vinod Kumar Vavilapalli
    
> nodemanager log aggregation has scaling issues with namenode
> ------------------------------------------------------------
>
>                 Key: YARN-162
>                 URL: https://issues.apache.org/jira/browse/YARN-162
>             Project: Hadoop YARN
>          Issue Type: Bug
>          Components: nodemanager
>    Affects Versions: 0.23.3
>            Reporter: Nathan Roberts
>            Assignee: Vinod Kumar Vavilapalli
>            Priority: Critical
>
> Log aggregation causes fd explosion on the namenode. On large clusters this can exhaust FDs to the point where datanodes can't check-in.

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