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https://issues.apache.org/jira/browse/HIVE-26794?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17681117#comment-17681117
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Denys Kuzmenko commented on HIVE-26794:
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Merged to master
[~dengzh] thanks for the patch and [~cnauroth] for the review!
> Explore retiring TxnHandler#connPoolMutex idle connections
> ----------------------------------------------------------
>
> Key: HIVE-26794
> URL: https://issues.apache.org/jira/browse/HIVE-26794
> Project: Hive
> Issue Type: Improvement
> Components: Standalone Metastore
> Reporter: Zhihua Deng
> Assignee: Zhihua Deng
> Priority: Major
> Labels: pull-request-available
> Time Spent: 5h 40m
> Remaining Estimate: 0h
>
> Instead of creating a fixed size connection pool for TxnHandler#MutexAPI, the
> pool can be assigned to a more dynamic size pool due to:
> * TxnHandler#MutexAPI is primarily designed to provide coarse-grained mutex
> support to maintenance tasks running inside the Metastore, these tasks are
> not user faced;
> * A fixed size connection pool as same as the pool used in ObjectStore is a
> waste for other non leaders in the warehouse;
>
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