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https://issues.apache.org/jira/browse/MAPREDUCE-6376?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14590582#comment-14590582
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Ray Chiang commented on MAPREDUCE-6376:
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Linking to another JHS speedup JIRA.
> Fix long load times of .jhist file in JobHistoryServer
> ------------------------------------------------------
>
> Key: MAPREDUCE-6376
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-6376
> Project: Hadoop Map/Reduce
> Issue Type: Sub-task
> Components: jobhistoryserver
> Affects Versions: 2.7.0
> Reporter: Ray Chiang
> Assignee: Ray Chiang
> Labels: supportability
> Attachments: MAPREDUCE-6376.001.patch, MAPREDUCE-6376.002.patch,
> MAPREDUCE-6376.003.patch
>
>
> When you click on a Job link in the JHS Web UI, it loads the .jhist file.
> For jobs which have a large number of tasks, the load time can break UI
> responsiveness.
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