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From "Anoop Sam John (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-7854) Provide ways for cross region transaction
Date Fri, 15 Feb 2013 07:09:13 GMT

    [ https://issues.apache.org/jira/browse/HBASE-7854?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13579005#comment-13579005
] 

Anoop Sam John commented on HBASE-7854:
---------------------------------------

May be exposing some more APIs at HRegion level needed, plus new hooks..  Something not final
in my thinking. :) Will have a detailed look at the Secondary indexing code and arrive at
some initial points by next week.
Some of the hooks in this regard might be already implemented as part of older jiras.

WAL level also we need to allow grouping of edits from more regions will be needed. This is
from [~lhofhansl] in another issue's comment (HBASE-7801)
bq.Maybe in 0.96 we can think about a way how group edits for different regions (on the same
server) and write them into a single WALEdit (similar to RowMutations, but for multiple regions).
                
> Provide ways for cross region transaction
> -----------------------------------------
>
>                 Key: HBASE-7854
>                 URL: https://issues.apache.org/jira/browse/HBASE-7854
>             Project: HBase
>          Issue Type: New Feature
>          Components: Coprocessors, regionserver
>            Reporter: Anoop Sam John
>            Assignee: Anoop Sam John
>
> It would be better we provide some ways so as to perform cross region transaction for
regions within same RS. May be allow CPs to do this.

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