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From "Jothi Padmanabhan (JIRA)" <j...@apache.org>
Subject [jira] Commented: (MAPREDUCE-1000) JobHistory.initDone() should retain the try ... catch in the body
Date Fri, 18 Sep 2009 04:21:57 GMT

    [ https://issues.apache.org/jira/browse/MAPREDUCE-1000?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12756956#action_12756956
] 

Jothi Padmanabhan commented on MAPREDUCE-1000:
----------------------------------------------

bq. It seems that we could ignore some IOE in moveOldFiles() and ensure the end results of
this call is that all files are gone (either moved, or removed).

This looks like a good idea

bq. Since checksum exceptions should be reasonably common for partial history files, would
it make sense to use RawLocalFileSystem as the src fs in moveOldFiles? 

Actually, the job history log location is governed by the conf setting "hadoop.job.history.location"
and this could possibly be on a FS other than LocalFS. So, I do not think we could use RawLocalFileSystem.

> JobHistory.initDone() should retain the try ... catch in the body
> -----------------------------------------------------------------
>
>                 Key: MAPREDUCE-1000
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-1000
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>            Reporter: Hong Tang
>


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