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https://issues.apache.org/jira/browse/MAPREDUCE-6652?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15376061#comment-15376061
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Hadoop QA commented on MAPREDUCE-6652:
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| (x) *{color:red}-1 overall{color}* |
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|| Vote || Subsystem || Runtime || Comment ||
| {color:blue}0{color} | {color:blue} reexec {color} | {color:blue} 0m 0s
{color} | {color:blue} Docker mode activated. {color} |
| {color:red}-1{color} | {color:red} patch {color} | {color:red} 0m 5s {color}
| {color:red} MAPREDUCE-6652 does not apply to trunk. Rebase required? Wrong
Branch? See https://wiki.apache.org/hadoop/HowToContribute for help. {color} |
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|| Subsystem || Report/Notes ||
| JIRA Patch URL |
https://issues.apache.org/jira/secure/attachment/12817836/mapreduce6652.008.branch2.patch
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| JIRA Issue | MAPREDUCE-6652 |
| Console output |
https://builds.apache.org/job/PreCommit-MAPREDUCE-Build/6613/console |
| Powered by | Apache Yetus 0.3.0 http://yetus.apache.org |
This message was automatically generated.
> Add configuration property to prevent JHS from loading jobs with a task count
> greater than X
> --------------------------------------------------------------------------------------------
>
> Key: MAPREDUCE-6652
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-6652
> Project: Hadoop Map/Reduce
> Issue Type: Improvement
> Components: jobhistoryserver
> Reporter: Haibo Chen
> Assignee: Haibo Chen
> Attachments: mapreduce6652.001.patch, mapreduce6652.002.patch,
> mapreduce6652.003.patch, mapreduce6652.004.patch, mapreduce6652.005.patch,
> mapreduce6652.007.branch2.patch, mapreduce6652.007.patch,
> mapreduce6652.008.branch2.patch, mapreduce6652.008.patch
>
>
> Jobs with large number of tasks can have job history files that are large in
> size and resource-consuming(mainly memory) to parse in Job History Server. If
> there are many such jobs, the job history server can very easily hang.
> It would be a good usability feature if we added a new config property that
> could be set to X, where the JHS wouldn't load the details for a job with
> more than X tasks. The job would still show up on the list of jobs page, but
> clicking on it would give a warning message that the job is too big, instead
> of actually loading the job. This way we can prevent users from loading a job
> that's way too big for the JHS, which currently makes the JHS hang. The
> default value can be -1 so that it's disabled.
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