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https://issues.apache.org/jira/browse/MAPREDUCE-2802?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13122821#comment-13122821
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Siddharth Seth commented on MAPREDUCE-2802:
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lgtm. NB +1.
Changing the delimiter may be an issue for some apps - but the .23 jobhistory
filename has anyway changed, and there are APIs available to pull information
from the filename.
> [MR-279] Jobhistory filenames should have jobID to help in better parsing
> --------------------------------------------------------------------------
>
> Key: MAPREDUCE-2802
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-2802
> Project: Hadoop Map/Reduce
> Issue Type: Improvement
> Components: mrv2
> Affects Versions: 0.23.0
> Reporter: Ramya Sunil
> Assignee: Jonathan Eagles
> Priority: Critical
> Fix For: 0.23.0
>
> Attachments: MAPREDUCE-2802.patch
>
>
> For jobID such as job_1312933838300_0007, jobhistory file names are named as
> job%5F1312933838300%5F0007_<submit_time>_ramya_<jobname>_<finish_time>_1_1_SUCCEEDED.jhist
> It would be easier for parsing if the jobIDs were a part of the filenames.
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