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From "Ted Yu (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-13964) Skip region normalization for tables under namespace quota
Date Fri, 26 Jun 2015 17:00:16 GMT

    [ https://issues.apache.org/jira/browse/HBASE-13964?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14603191#comment-14603191
] 

Ted Yu commented on HBASE-13964:
--------------------------------

Thinking more on this subject, region merge should be allowed even if namespace quota is enforced.
I have a patch which does the following:
1. introduce enum NormalizationPlan.PlanType for split and merge
1. in HMaster#normalizeRegions(), pass List of NormalizationPlan.PlanType's which are allowed
for the table. When namespace quota is enforced, the List contains PlanType.MERGE
1. in SimpleRegionNormalizer#computePlanForTable(), adhere to the List of NormalizationPlan.PlanType's
which are allowed.

If the above sounds reasonable, I can open a new JIRA and attach my patch there.

> Skip region normalization for tables under namespace quota
> ----------------------------------------------------------
>
>                 Key: HBASE-13964
>                 URL: https://issues.apache.org/jira/browse/HBASE-13964
>             Project: HBase
>          Issue Type: Task
>          Components: Balancer, Usability
>            Reporter: Mikhail Antonov
>            Assignee: Ted Yu
>             Fix For: 2.0.0, 1.2.0, 1.3.0
>
>         Attachments: 13964-branch-1-v2.txt, 13964-branch-1-v3.txt, 13964-v1.txt
>
>
> As [~tedyu@apache.org] pointed out in HBASE-13103, we need to discuss how to normalize
regions of tables under namespace control. What was proposed is to disable normalization of
such tables.



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