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Posted to dev@phoenix.apache.org by "Istvan Toth (Jira)" <ji...@apache.org> on 2022/02/07 05:58:00 UTC
[jira] [Updated] (PHOENIX-6645) Remove unneccessary SCN related properties from SYSTEM tables on upgrade
[ https://issues.apache.org/jira/browse/PHOENIX-6645?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Istvan Toth updated PHOENIX-6645:
---------------------------------
Priority: Minor (was: Major)
> Remove unneccessary SCN related properties from SYSTEM tables on upgrade
> ------------------------------------------------------------------------
>
> Key: PHOENIX-6645
> URL: https://issues.apache.org/jira/browse/PHOENIX-6645
> Project: Phoenix
> Issue Type: Bug
> Components: core
> Affects Versions: 5.2.0
> Reporter: Istvan Toth
> Priority: Minor
>
> Before PHOENIX-4575, we used to create all SYSTEM tables with the KEEP_DELETED_CELLS and VERSIONS attribute set.
> PHOENIX-4575 removes this flags from tables where it doesn't make sense, especially SYSTEM.STATS, but this is not done automatically when upgrading.
> Having KEEP_DELETED_CELLS set on SYSTEM.STATS is a major performance problem, so we should fix the table properties on upgrade.
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