[jira] [Work logged] (HIVE-26740) HS2 makes direct connections to HMS backend DB due to Compaction/StatsUpdater

Tue, 15 Nov 2022 08:52:07 -0800 


     [ 
https://issues.apache.org/jira/browse/HIVE-26740?focusedWorklogId=826210&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-826210
 ]

ASF GitHub Bot logged work on HIVE-26740:
-----------------------------------------

                Author: ASF GitHub Bot
            Created on: 15/Nov/22 16:51
            Start Date: 15/Nov/22 16:51
    Worklog Time Spent: 10m 
      Work Description: sonarcloud[bot] commented on PR #3765:
URL: https://github.com/apache/hive/pull/3765#issuecomment-1315595587

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

    Worklog Id:     (was: 826210)
    Time Spent: 20m  (was: 10m)

> HS2 makes direct connections to HMS backend DB due to Compaction/StatsUpdater
> -----------------------------------------------------------------------------
>
>                 Key: HIVE-26740
>                 URL: https://issues.apache.org/jira/browse/HIVE-26740
>             Project: Hive
>          Issue Type: Bug
>            Reporter: Ádám Szita
>            Assignee: Ádám Szita
>            Priority: Major
>              Labels: pull-request-available
>          Time Spent: 20m
>  Remaining Estimate: 0h
>
> HIVE-20172 solved an issue where HMS was running the compaction worker, and 
> StatUpdater thus ran in the very same JVM causing kerberos issues while 
> connecting to "itself". The fix was to update HMS URI setting to empty 
> string. This way HMS wouldn't have to go around itself to connect to itself :)
> But.. this is not correct anymore, as Hive doesn't support running the 
> compaction worker on HMS side anymore, but only on HS2. So in any case this 
> code part ends up executed in HS2, where an embedded HMS will be created due 
> to this empty string URIs config, and eventually will open connections 
> directly to HMS backend DB.
> We need to remove this setting as it was fixing something that is not 
> relevant anymore.



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