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https://issues.apache.org/jira/browse/HBASE-21025?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16585333#comment-16585333
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Duo Zhang commented on HBASE-21025:
-----------------------------------
I think the code you mentioned is for initialization? If there are exceptions
then the master will crash, so we do not need to restore any state. And we can
also make sure that there is no entry in cache for the given table yet so even
we do not crash, we do not need to clear the cache.
> Add cache for TableStateManager
> -------------------------------
>
> Key: HBASE-21025
> URL: https://issues.apache.org/jira/browse/HBASE-21025
> Project: HBase
> Issue Type: Sub-task
> Reporter: Duo Zhang
> Assignee: Duo Zhang
> Priority: Major
> Fix For: 3.0.0, 2.0.2, 2.2.0, 2.1.1
>
> Attachments: HBASE-21025-addendum.patch, HBASE-21025-v1.patch,
> HBASE-21025-v2.patch, HBASE-21025.patch
>
>
> After HBASE-20881, we will check whether a table is disabled in SCP, so we
> need to add cache for it to improve MTTR, and also reduce the request to meta.
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