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https://issues.apache.org/jira/browse/SYSTEMML-2175?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Matthias Boehm closed SYSTEMML-2175.
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Fix Version/s: SystemML 1.2
Resolution: Fixed
> Parfor spark fair scheduler pool leak
> -------------------------------------
>
> Key: SYSTEMML-2175
> URL: https://issues.apache.org/jira/browse/SYSTEMML-2175
> Project: SystemML
> Issue Type: Bug
> Reporter: Matthias Boehm
> Assignee: Matthias Boehm
> Priority: Major
> Fix For: SystemML 1.2
>
>
> In an algorithm with an overall convergence loop and a parfor loop over large
> data in each outer iteration, we encountered a leak of parfor fair scheduler
> pools. Specifically, this issue seems to arise whenever the parfor loop has
> fewer iterations and thus workers than locally available threads.
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