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https://issues.apache.org/jira/browse/HBASE-10569?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13905851#comment-13905851
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Enis Soztutar commented on HBASE-10569:
---------------------------------------

I think this would be a good incremental step towards a more sane master 
implementation. We can alternatively decide to not co-locate meta, but make 
meta read only for region servers and clients, only to be written by master. RS 
operations will be carried through master (RS sends RPC to master, and master 
does the meta update). 

If co-locating, are you thinking of opening the region (and rest of RS 
machinery in master), or move some of the assignment logic to the RS who hosts 
meta?    

> Co-locate meta and master
> -------------------------
>
>                 Key: HBASE-10569
>                 URL: https://issues.apache.org/jira/browse/HBASE-10569
>             Project: HBase
>          Issue Type: Improvement
>          Components: master, Region Assignment
>            Reporter: Jimmy Xiang
>            Assignee: Jimmy Xiang
>
> I was thinking simplifying/improving the region assignments. The first step 
> is to co-locate the meta and the master as many people agreed on HBASE-5487.



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