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https://issues.apache.org/jira/browse/HADOOP-3848?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12618076#action_12618076
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Amareshwari Sriramadasu commented on HADOOP-3848:
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+1
Patch looks good.
> TaskTracker.localizeJob calls getSystemDir for each task rather than caching
> it
> --------------------------------------------------------------------------------
>
> Key: HADOOP-3848
> URL: https://issues.apache.org/jira/browse/HADOOP-3848
> Project: Hadoop Core
> Issue Type: Bug
> Components: mapred
> Affects Versions: 0.18.0
> Reporter: Arun C Murthy
> Assignee: Arun C Murthy
> Fix For: 0.19.0
>
> Attachments: HADOOP-3848_0_20080729.patch
>
>
> We should call it once and cache that value, I see 100k+ RPCs for large
> jobs...
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