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From "Arun C Murthy (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HADOOP-1279) list of completed jobs purges jobs based on submission not on completion age
Date Wed, 25 Apr 2007 19:37:15 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-1279?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12491742
] 

Arun C Murthy commented on HADOOP-1279:
---------------------------------------

Arkady, all information is persisted already into 'JobTracker History' (link at bottom of
JT's web-ui) regardless of whether the in-memory data-structures are purged or not... is there
any enhancement you'd like to see there?

> list of completed jobs purges jobs based on submission not on completion age
> ----------------------------------------------------------------------------
>
>                 Key: HADOOP-1279
>                 URL: https://issues.apache.org/jira/browse/HADOOP-1279
>             Project: Hadoop
>          Issue Type: Bug
>          Components: mapred
>         Environment: all
>            Reporter: Alejandro Abdelnur
>         Assigned To: Arun C Murthy
>             Fix For: 0.13.0
>
>         Attachments: HADOOP-1279_20070420_1.patch
>
>
> The JobTracker keeps at most the last 100 completed jobs.
> One this limit is exceeded and there is a new completed job the old submitted job in
completed state is removed regardless if there are jobs that have finished much earlier in
the completed list.
> The job should be added at completion time, not a submission time to avoid this problem.

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