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https://issues.apache.org/jira/browse/YARN-9578?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16857565#comment-16857565
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Tao Yang commented on YARN-9578:
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{quote}
Can we add a limit here instead of using a subList later?
{quote}
I'm afraid not, stream of app activities is ordered by time in queue, but what
we need is latest ones.
Another way is to reverse the stream at first, which I think it's more
complicated. Thoughts?
> Add limit/actions/summarize options for app activities REST API
> ---------------------------------------------------------------
>
> Key: YARN-9578
> URL: https://issues.apache.org/jira/browse/YARN-9578
> Project: Hadoop YARN
> Issue Type: Sub-task
> Components: capacityscheduler
> Reporter: Tao Yang
> Assignee: Tao Yang
> Priority: Major
> Attachments: YARN-9578.001.patch, YARN-9578.002.patch,
> YARN-9578.003.patch, YARN-9578.004.patch, YARN-9578.005.patch
>
>
> Currently all completed activities of specified application in cache will be
> returned for application activities REST API. Most results may be redundant
> in some scenarios which only need a few latest results, for example, perhaps
> only one result is needed to be shown on UI for debugging.
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