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Posted to issues@phoenix.apache.org by "Viraj Jasani (Jira)" <ji...@apache.org> on 2020/11/02 15:51:00 UTC
[jira] [Commented] (PHOENIX-5586) Add documentation for Splittable
SYSTEM.CATALOG
[ https://issues.apache.org/jira/browse/PHOENIX-5586?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17224759#comment-17224759 ]
Viraj Jasani commented on PHOENIX-5586:
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As part of PHOENIX-6125, we have new split policy introduced for SYSTEM.TASK which for now is just extending DisabledRegionSplitPolicy. Before 4.16 upgrade, if operator has already manually updated split policy of SYSTEM.TASK, an exception will be thrown during upgrade to 4.16 which would mandate an operator intervention by merging SYSTEM.TASK regions into one single region (if multiple regions were already available before 4.16 upgrade) and also remove split policy of the table manually.
> Add documentation for Splittable SYSTEM.CATALOG
> -----------------------------------------------
>
> Key: PHOENIX-5586
> URL: https://issues.apache.org/jira/browse/PHOENIX-5586
> Project: Phoenix
> Issue Type: Improvement
> Affects Versions: 4.15.0, 5.1.0
> Reporter: Chinmay Kulkarni
> Priority: Blocker
> Fix For: 4.15.1, 5.1.1, 4.16.0
>
>
> There are many changes after PHOENIX-3534 especially for backwards compatibility. There are additional configurations such as "phoenix.allow.system.catalog.rollback" which allows rollback of splittable SYSTEM.CATALOG, etc. We should document these changes.
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