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https://issues.apache.org/jira/browse/HIVE-26155?focusedWorklogId=761704&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-761704
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ASF GitHub Bot logged work on HIVE-26155:
-----------------------------------------

                Author: ASF GitHub Bot
            Created on: 25/Apr/22 11:00
            Start Date: 25/Apr/22 11:00
    Worklog Time Spent: 10m 
      Work Description: pvary commented on PR #3223:
URL: https://github.com/apache/hive/pull/3223#issuecomment-1108419421

   Wait!
   This could cause dead locks




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

    Worklog Id:     (was: 761704)
    Time Spent: 50m  (was: 40m)

> Create a new connection pool for compaction
> -------------------------------------------
>
>                 Key: HIVE-26155
>                 URL: https://issues.apache.org/jira/browse/HIVE-26155
>             Project: Hive
>          Issue Type: Improvement
>          Components: Standalone Metastore
>            Reporter: Antal Sinkovits
>            Assignee: Antal Sinkovits
>            Priority: Major
>              Labels: compaction, pull-request-available
>          Time Spent: 50m
>  Remaining Estimate: 0h
>
> Currently the TxnHandler uses 2 connection pools to communicate with the HMS: 
> the default one and one for mutexing. If compaction is configured incorrectly 
> (e.g. too many Initiators are running on the same db) then compaction can use 
> up all the connections in the default connection pool and all user queries 
> can get stuck.
> We should have a separate connection pool (configurable size) just for 
> compaction-related activities.



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