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Posted to common-dev@hadoop.apache.org by "Hudson (JIRA)" <ji...@apache.org> on 2008/03/04 14:10:41 UTC

[jira] Commented: (HADOOP-2847) [HOD] Idle cluster cleanup does not work if the JobTracker becomes unresponsive to RPC calls

    [ https://issues.apache.org/jira/browse/HADOOP-2847?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12574978#action_12574978 ] 

Hudson commented on HADOOP-2847:
--------------------------------

Integrated in Hadoop-trunk #419 (See [http://hudson.zones.apache.org/hudson/job/Hadoop-trunk/419/])

> [HOD] Idle cluster cleanup does not work if the JobTracker becomes unresponsive to RPC calls
> --------------------------------------------------------------------------------------------
>
>                 Key: HADOOP-2847
>                 URL: https://issues.apache.org/jira/browse/HADOOP-2847
>             Project: Hadoop Core
>          Issue Type: Bug
>          Components: contrib/hod
>    Affects Versions: 0.16.0
>            Reporter: Hemanth Yamijala
>            Assignee: Hemanth Yamijala
>            Priority: Blocker
>             Fix For: 0.16.1
>
>         Attachments: hadoop-2847
>
>
> In some erroneous conditions, the Hadoop JobTracker becomes unresponsive to RPC calls (for e.g. if a misconfiguration causes the JobTracker to run out of memory). In such cases, a cluster allocated by HOD no longer runs any jobs and is wastefully holding up nodes. The usual idle cluster cleaner should deallocate the cluster ideally, but it does not.

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