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From "Phabricator (Commented) (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-5515) Add a processRow API that supports atomic multiple reads and writes on a row
Date Sat, 03 Mar 2012 22:11:58 GMT

    [ https://issues.apache.org/jira/browse/HBASE-5515?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13221714#comment-13221714
] 

Phabricator commented on HBASE-5515:
------------------------------------

tedyu has commented on the revision "HBASE-5515 [jira] Add a processRow API that supports
atomic multiple reads and writes on a row".

  The difference between this API and mutateRow() is that RowMutations don't cover scan, right
?

INLINE COMMENTS
  src/main/java/org/apache/hadoop/hbase/client/RowProcessor.java:28 There is only one RowProcessor.RowScanner
passed to process().
  So scan should be singular.
  src/main/java/org/apache/hadoop/hbase/io/HbaseObjectWritable.java:268 I think this should
be moved to after GENERIC_ARRAY_CODE, line 272

REVISION DETAIL
  https://reviews.facebook.net/D2067

                
> Add a processRow API that supports atomic multiple reads and writes on a row
> ----------------------------------------------------------------------------
>
>                 Key: HBASE-5515
>                 URL: https://issues.apache.org/jira/browse/HBASE-5515
>             Project: HBase
>          Issue Type: New Feature
>            Reporter: Scott Chen
>            Assignee: Scott Chen
>         Attachments: HBASE-5515.D2067.1.patch, HBASE-5515.D2067.2.patch, HBASE-5515.D2067.3.patch
>
>
> We have modified HRegion.java internally to do some atomic row processing. It will be
nice to have a plugable API for this.

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