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https://issues.apache.org/jira/browse/HBASE-7213?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13506314#comment-13506314
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Ted Yu commented on HBASE-7213:
-------------------------------

I wonder what kind of data structure should be in place for the FSHLog 
instances (two for the region server hosting .META.) so that multiple WAL 
implementation would be more intuitive.
Previously, close / deletion of HLog operates on the single instance. Now 
things start to get more interesting.
                
> Have HLog files for .META. edits only
> -------------------------------------
>
>                 Key: HBASE-7213
>                 URL: https://issues.apache.org/jira/browse/HBASE-7213
>             Project: HBase
>          Issue Type: Improvement
>          Components: master, regionserver
>            Reporter: Devaraj Das
>            Assignee: Devaraj Das
>         Attachments: 7213-in-progress.patch
>
>
> Over on HBASE-6774, there is a discussion on separating out the edits for 
> .META. regions from the other regions' edits w.r.t where the edits are 
> written. This jira is to track an implementation of that.

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