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https://issues.apache.org/jira/browse/YARN-3700?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14561576#comment-14561576
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Xuan Gong commented on YARN-3700:
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bq. getAllApplications -> getApplications?
Done
bq. Can we use -1 or 0 instead of Long.MAX_VALUE to indicate appsNum not
provided?
Can not. The default value for GetApplicationsRequest-->getLimit() is
Long.MAX_VALUE
Also, test the patch locally.
* Set yarn.timeline-service.generic-application-history.max-applications as 1
* run two MR pi examples
* go to http://localhost:8188/applicationhistory/apps and
http://localhost:8188/ws/v1/applicationhistory/apps. Both of them are showing
only one application which is the latest application
* http://localhost:8188/applicationhistory/apps?apps.num=2 and
http://localhost:8188/ws/v1/applicationhistory/apps?limit=2. Both of them are
showing two applications
> ATS Web Performance issue at load time when large number of jobs
> ----------------------------------------------------------------
>
> Key: YARN-3700
> URL: https://issues.apache.org/jira/browse/YARN-3700
> Project: Hadoop YARN
> Issue Type: Sub-task
> Components: resourcemanager, webapp, yarn
> Reporter: Xuan Gong
> Assignee: Xuan Gong
> Attachments: YARN-3700.1.patch, YARN-3700.2.1.patch,
> YARN-3700.2.2.patch, YARN-3700.2.patch, YARN-3700.3.patch, YARN-3700.4.patch
>
>
> Currently, we will load all the apps when we try to load the yarn
> timelineservice web page. If we have large number of jobs, it will be very
> slow.
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