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https://issues.apache.org/jira/browse/HIVE-23458?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Eugene Chung updated HIVE-23458:
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Status: Open (was: Patch Available)
> Introduce unified thread pool for scheduled jobs
> ------------------------------------------------
>
> Key: HIVE-23458
> URL: https://issues.apache.org/jira/browse/HIVE-23458
> Project: Hive
> Issue Type: Improvement
> Components: HiveServer2
> Reporter: Eugene Chung
> Assignee: Eugene Chung
> Priority: Major
> Labels: todoc4.0
> Fix For: 4.0.0
>
>
> As I mentioned in [the comment of
> HIVE-23164|https://issues.apache.org/jira/browse/HIVE-23164?focusedCommentId=17089506&page=com.atlassian.jira.plugin.system.issuetabpanels%3Acomment-tabpanel#comment-17089506],
> I've made the unified scheduled executor service like
> org.apache.hadoop.hive.metastore.ThreadPool.
> I think it could help
> 1. to minimize the possibility of making non-daemon threads when developers
> need ScheduledExecutorService
> 2. to achieve the utilization of server resources because the current
> situation is all of the modules make its own ScheduledExecutorService and all
> of the threads are just using for one job.
> 3. administrators of Hive servers by providing
> hive.exec.scheduler.num.threads configuration so that they can predict and
> set how many threads are used and needed.
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