[jira] [Resolved] (IMPALA-4140) Increase default threadpool size for statestore heartbeat and topic update

["Tim Armstrong (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/IMPALA-4140?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Tim Armstrong resolved IMPALA-4140.
-----------------------------------
    Resolution: Later

We already split out priority topic updates from the main topic updates. With the local catalog as well, we reduced the amount of data sent via these updates significantly. So we likely don't need to tweak this any more.

> Increase default threadpool size for statestore heartbeat and topic update
> --------------------------------------------------------------------------
>
>                 Key: IMPALA-4140
>                 URL: https://issues.apache.org/jira/browse/IMPALA-4140
>             Project: IMPALA
>          Issue Type: Improvement
>          Components: Distributed Exec
>    Affects Versions: Impala 2.2
>            Reporter: Juan Yu
>            Priority: Major
>
> Default threadpool size for statestore heartbeat and topic update is 10. For a large cluster this could be too small and cause membership request and topic update tasks not being processed in timely manner.
> We should increase default size to probably 2~3 times of # cores.



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