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From "Nicolas Spiegelberg (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-3842) Refactor Coprocessor Compaction API
Date Mon, 02 May 2011 19:36:03 GMT

    [ https://issues.apache.org/jira/browse/HBASE-3842?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13027792#comment-13027792
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Nicolas Spiegelberg commented on HBASE-3842:
--------------------------------------------

@stack: That's a good point about major compaction.  Maybe I should have the input param be
CompactionRequest, which contains the Store, File list, and isMajor.  Would there be a problem
with giving the user direct access to the Store?  I was a little worried about giving that
unless someone else concurred.  Maybe make a separate ICompactionRequest & IStore API
for coprocessor contracts?

If I passed the CompactionRequest object - which contains a Store - to the user, then the
coprocessor client could access the MemStore through some Store API?

> Refactor Coprocessor Compaction API
> -----------------------------------
>
>                 Key: HBASE-3842
>                 URL: https://issues.apache.org/jira/browse/HBASE-3842
>             Project: HBase
>          Issue Type: Improvement
>          Components: coprocessors, regionserver
>    Affects Versions: 0.92.0
>            Reporter: Nicolas Spiegelberg
>            Assignee: Nicolas Spiegelberg
>            Priority: Minor
>              Labels: compaction
>             Fix For: 0.92.0
>
>
> After HBASE-3797, the compaction logic flow has been significantly altered.  Because
of this, the current compaction coprocessor API is insufficient for gaining full insight into
compaction requests/results.  Refactor coprocessor API after HBASE-3797 is committed to be
more extensible and increase visibility.

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