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https://issues.apache.org/jira/browse/HBASE-8081?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13600434#comment-13600434
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Devaraj Das commented on HBASE-8081:
------------------------------------

[~v.himanshu], good point on the upgrade. There is a risk that if a new server 
holding the meta table(s) crashes, the recovery of the meta logs can't be 
handled by old code. Was discussing with [~enis] this point offline and it 
seemed like if we have a boolean config to control whether to write to a 
separate hlog for meta (which by default is off) the problem would be 
mitigated. But yeah, as [~stack] suggested, let me get the numbers first.
                
> Backport HBASE-7213 (separate hlog for meta tables) to 0.94
> -----------------------------------------------------------
>
>                 Key: HBASE-8081
>                 URL: https://issues.apache.org/jira/browse/HBASE-8081
>             Project: HBase
>          Issue Type: Bug
>    Affects Versions: 0.94.5
>            Reporter: Devaraj Das
>            Assignee: Devaraj Das
>             Fix For: 0.94.7
>
>         Attachments: 7213-0.94.patch
>
>
> I am interested in backporting HBASE-7213 to 0.94. Helps to address more of 
> the MTTR story. Offline discussion with Lars indicated he is interested as 
> well.

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