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https://issues.apache.org/jira/browse/HIVE-25971?focusedWorklogId=737388&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-737388
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ASF GitHub Bot logged work on HIVE-25971:
-----------------------------------------

                Author: ASF GitHub Bot
            Created on: 07/Mar/22 06:58
            Start Date: 07/Mar/22 06:58
    Worklog Time Spent: 10m 
      Work Description: rbalamohan commented on pull request #3046:
URL: https://github.com/apache/hive/pull/3046#issuecomment-1060251227


   No plans to merge into 2.3. It can be revisited when 2.3.x release train is 
planned (it is not even actively maintained)


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Issue Time Tracking
-------------------

    Worklog Id:     (was: 737388)
    Time Spent: 2.5h  (was: 2h 20m)

> Tez task shutdown getting delayed due to cached thread pool not closed
> ----------------------------------------------------------------------
>
>                 Key: HIVE-25971
>                 URL: https://issues.apache.org/jira/browse/HIVE-25971
>             Project: Hive
>          Issue Type: Improvement
>          Components: Tez
>    Affects Versions: 2.4.0, 3.1.2
>            Reporter: Shailesh Gupta
>            Assignee: Shailesh Gupta
>            Priority: Minor
>              Labels: pull-request-available
>             Fix For: 4.0.0
>
>          Time Spent: 2.5h
>  Remaining Estimate: 0h
>
> We are using 
> a[CachedThreadPool|https://github.com/apache/hive/blob/branch-2.3/ql/src/java/org/apache/hadoop/hive/ql/exec/tez/ObjectCache.java]
>  but not closing it. CachedThreadPool creates non daemon threads, causing the 
> Tez Task JVM shutdown delayed upto 1 min, as default idle timeout is 1 min.
>  



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