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https://issues.apache.org/jira/browse/HADOOP-5294?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12675368#action_12675368
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Vinod K V commented on HADOOP-5294:
-----------------------------------
It looks to me that the job jar is downloaded and deleted on job finish, but
never used on the JT node itself. Is it really needed anywhere? If not we can
avoid downloading it in the first place.
> JobTracker doesn't need to download job's jar file onto its local filesystem.
> -----------------------------------------------------------------------------
>
> Key: HADOOP-5294
> URL: https://issues.apache.org/jira/browse/HADOOP-5294
> Project: Hadoop Core
> Issue Type: Bug
> Components: mapred
> Affects Versions: 0.21.0
> Reporter: Vinod K V
>
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