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https://issues.apache.org/jira/browse/HBASE-7854?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13579005#comment-13579005
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Anoop Sam John commented on HBASE-7854:
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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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