[jira] [Resolved] (HIVE-25642) Log a warning if multiple Compaction Worker versions are running compactions

["Viktor Csomor (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/HIVE-25642?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Viktor Csomor resolved HIVE-25642.
----------------------------------
    Fix Version/s: 4.0.0
     Release Note: PR: https://github.com/apache/hive/pull/2743
       Resolution: Fixed

> Log a warning if multiple Compaction Worker versions are running compactions
> ----------------------------------------------------------------------------
>
>                 Key: HIVE-25642
>                 URL: https://issues.apache.org/jira/browse/HIVE-25642
>             Project: Hive
>          Issue Type: Improvement
>          Components: Hive
>    Affects Versions: 4.0.0
>            Reporter: Viktor Csomor
>            Assignee: Viktor Csomor
>            Priority: Minor
>              Labels: pull-request-available
>             Fix For: 4.0.0
>
>          Time Spent: 40m
>  Remaining Estimate: 0h
>
> Log a warning if multiple versions of a Compaction Workers are running compactions.
> The start time of the individual HMS services are not stored at the moment, however this information could proved a good baseline of detecting multiple Worker versions. 
> Due to the lack of this information we can check periodically in the past N hours to detect the versions.
> The N hours can be configured by {{metastore.compactor.worker.detect_multiple_versions.threshold}} property.
> This periodical check only make sense if the Compaction are enabled.



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