[jira] [Closed] (GEODE-8503) Limit netty threads used in PubSubDUnitTest

["Nabarun Nag (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/GEODE-8503?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Nabarun Nag closed GEODE-8503.
------------------------------

> Limit netty threads used in PubSubDUnitTest
> -------------------------------------------
>
>                 Key: GEODE-8503
>                 URL: https://issues.apache.org/jira/browse/GEODE-8503
>             Project: Geode
>          Issue Type: Test
>          Components: redis
>            Reporter: Jens Deppe
>            Assignee: Jens Deppe
>            Priority: Major
>              Labels: pull-request-available
>             Fix For: 1.14.0
>
>
> The {{PubSubDUnitTest}} currently fails when run under stress ({{StressNewTest}} job in CI). There are various factors at play here:
> - Test hosts have 96 vCPUs and netty will use 2x this number for each EventLoopGroup (of which we have 2). For some tests we end up needing almost 1600 threads which seems excessive.
> - VMs are not recycled between every test run but thread resources are also not cleaned up synchronously between runs; this seems to be the biggest problem.



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