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https://issues.apache.org/jira/browse/HBASE-6617?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14709694#comment-14709694
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Yu Li commented on HBASE-6617:
------------------------------

Could you further explain where the incompatibility lies? I guess you mean the 
change in ClusterStatus.proto? I think the groupId would be necessary for 
monitoring to show so I added it as an *optional* field, and IMHO this won't 
involve incompatibility

> ReplicationSourceManager should be able to track multiple WAL paths
> -------------------------------------------------------------------
>
>                 Key: HBASE-6617
>                 URL: https://issues.apache.org/jira/browse/HBASE-6617
>             Project: HBase
>          Issue Type: Improvement
>          Components: Replication
>            Reporter: Ted Yu
>            Assignee: Sean Busbey
>             Fix For: 2.0.0, 1.3.0
>
>         Attachments: HBASE-6617.patch
>
>
> Currently ReplicationSourceManager uses logRolled() to receive notification 
> about new HLog and remembers it in latestPath.
> When region server has multiple WAL support, we need to keep track of 
> multiple Path's in ReplicationSourceManager



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