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From "Enis Soztutar (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-15065) SimpleRegionNormalizer should return multiple normalization plans in one run
Date Tue, 05 Jan 2016 10:39:39 GMT

    [ https://issues.apache.org/jira/browse/HBASE-15065?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15082820#comment-15082820

Enis Soztutar commented on HBASE-15065:

Thanks Ted for working on this. This approach looks more realistic and useful for the general
A couple of questions: 
  - Do we have to support the old RegionNormalizer interface? Sorry I did not check whether
it is a client-public interface or not. 
  - Executing the region normalization plans is serial. If we end up with hundreds of plans,
will this become a bottleneck? 
  - Why sort the splits plans before merge plans for execution? 

 [~mantonov] what do you think? 

> SimpleRegionNormalizer should return multiple normalization plans in one run
> ----------------------------------------------------------------------------
>                 Key: HBASE-15065
>                 URL: https://issues.apache.org/jira/browse/HBASE-15065
>             Project: HBase
>          Issue Type: Bug
>            Reporter: Ted Yu
>            Assignee: Ted Yu
>         Attachments: 15065-v1.txt
> This is follow up to HBASE-14867 w.r.t. SimpleRegionNormalizer
> Outline for enhancements:
> * adjustment to the period when SimpleRegionNormalizer runs
> * explore merge opportunities among all neighboring region pairs
> * return multiple normalization plans

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