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Posted to mapreduce-issues@hadoop.apache.org by "Devaraj K (JIRA)" <ji...@apache.org> on 2011/05/18 17:44:49 UTC
[jira] [Commented] (MAPREDUCE-2427) JT should ensure history
directory is a directory
[ https://issues.apache.org/jira/browse/MAPREDUCE-2427?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13035452#comment-13035452 ]
Devaraj K commented on MAPREDUCE-2427:
--------------------------------------
When initializing job history throwing IOException if 'history' is present and it is not a directory.
> JT should ensure history directory is a directory
> -------------------------------------------------
>
> Key: MAPREDUCE-2427
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-2427
> Project: Hadoop Map/Reduce
> Issue Type: Bug
> Components: jobtracker
> Affects Versions: 0.20.2
> Reporter: E. Sammer
> Assignee: Devaraj K
> Fix For: 0.20.4, 0.23.0
>
> Attachments: MAPREDUCE-2427.0.20.patch, MAPREDUCE-2427.patch
>
>
> If the JT history directory doesn't exist or isn't a directory retired job files are renamed to a file called 'history' and eventually start overwriting each other. The JT should ensure 'history' exists and is a directory before performing the move.
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