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https://issues.apache.org/jira/browse/OOZIE-2736?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Peter Bacsko updated OOZIE-2736:
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Issue Type: Improvement (was: Bug)
> Reduce the number of threads during test execution
> --------------------------------------------------
>
> Key: OOZIE-2736
> URL: https://issues.apache.org/jira/browse/OOZIE-2736
> Project: Oozie
> Issue Type: Improvement
> Reporter: Peter Bacsko
> Assignee: Peter Bacsko
> Attachments: OOZIE-2736-001.patch, OOZIE-2736-002.patch
>
>
> Currently we have a lots of threads during test execution. On one hand, this
> is understandable because we start an entire YARN cluster with all the
> services inside a single JVM. Still, the number of threads can be reduced. By
> default, certain properties are not set which causes almost all thread pools
> to start with 50 threads, which is an unnecessarily high number.
> The problem is that every thread consumes memory even if it doesn't run
> anything, so on a re. A more noticeable downside is that retrieving a thread
> dump results in a large output from jstack.
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