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https://issues.apache.org/jira/browse/HIVE-25971?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Rajesh Balamohan resolved HIVE-25971.
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Fix Version/s: 4.0.0
Resolution: Fixed
Merged to master. Thanks [~guptashailesh92] .
> 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: 2h 10m
> 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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