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https://issues.apache.org/jira/browse/MAPREDUCE-4720?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15464849#comment-15464849
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Manikandan R commented on MAPREDUCE-4720:
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I figured out how to increase the count using
mapreduce.jobhistory.joblist.cache.size, but increasing job name length using
mapreduce.jobhistory.jobname.limit is not working. It is not considering new
value and still works based on old default value (50).
However, loading of JHS UI is slow.
> Browser thinks History Server main page JS is taking too long
> -------------------------------------------------------------
>
> Key: MAPREDUCE-4720
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-4720
> Project: Hadoop Map/Reduce
> Issue Type: Bug
> Affects Versions: 0.23.3
> Reporter: Robert Joseph Evans
> Assignee: Ravi Prakash
> Fix For: 2.0.3-alpha, 0.23.5
>
> Attachments: MAPREDUCE-4720.branch-0.23.patch,
> MAPREDUCE-4720.branch-0.23.patch, MAPREDUCE-4720.branch23.patch,
> MAPREDUCE-4720.branch23.patch, MAPREDUCE-4720.patch, MAPREDUCE-4720.patch,
> MAPREDUCE-4720.trunk.patch, MAPREDUCE-4720.trunk.patch,
> MAPREDUCE-4720.trunk.patch, MAPREDUCE-4720.trunk.patch
>
>
> The main History Server page with the default settings of 20,000 jobs can
> cause browsers to think that the JS on the page is stuck and ask you if you
> want to kill it. This is a big usability problem.
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