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https://issues.apache.org/jira/browse/YUNIKORN-1881?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Peter Bacsko resolved YUNIKORN-1881.
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Fix Version/s: 1.4.0
Resolution: Fixed
Merged to master.
> Improve the performance of tryPlaceholderAllocate
> -------------------------------------------------
>
> Key: YUNIKORN-1881
> URL: https://issues.apache.org/jira/browse/YUNIKORN-1881
> Project: Apache YuniKorn
> Issue Type: Sub-task
> Reporter: Peter Bacsko
> Assignee: Peter Bacsko
> Priority: Major
> Labels: pull-request-available
> Fix For: 1.4.0
>
> Attachments: tryPlaceholderAllocate.png,
> tryPlaceholderAllocate_after.png
>
>
> During the scheduling cycle, {{tryPlaceholderAllocate()}} is too expensive.
> It copies and sorts apps and tries to find schedulable tasks even if we do
> not have placeholders at all. For example, {{tryReservedAllocate()}} only
> accounts for 0.5% of the total cpu time, while {{tryPlaceholderAllocate()}}
> uses around 5%.
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