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https://issues.apache.org/jira/browse/HBASE-12126?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14154429#comment-14154429
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Virag Kothari commented on HBASE-12126:
---------------------------------------

bq. Maybe there's a better name but it's not totally off because there will 
only be one service instance of this type per regionserver.

Makes sense to me. Will add SingletonCoprocessorService.

bq. Specifically for HBASE-12125... Do you need this, though? I'd be OK if you 
added a new RPC to region server, since this is internal functionality anyway.

Initially we thought of building a replication wal checker tool (Hbase-12125) 
separate from hbck. So we thought of having a coprocessor. But now we added 
that as an option to hbck as its easier to run in our internal setups. So even 
though not necessary, I think we can still go ahead with the pluggable 
coprocessor based solution for HBASE-12125 as it will be easier to separate out 
from hbck if needed.
I will remove the jira dependency and update the description as its confusing.



> Region server coprocessor endpoint
> ----------------------------------
>
>                 Key: HBASE-12126
>                 URL: https://issues.apache.org/jira/browse/HBASE-12126
>             Project: HBase
>          Issue Type: Bug
>          Components: Coprocessors
>    Affects Versions: 0.98.6
>            Reporter: Virag Kothari
>            Assignee: Virag Kothari
>         Attachments: HBASE-12126-0.98.patch
>
>
> Primary use case in HBASE-12125 but being able to make endpoint calls against 
> region server can be useful in general.



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