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From "Lars Hofhansl (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-4583) Integrate RWCC with Append and Increment operations
Date Mon, 29 Oct 2012 21:22:13 GMT

    [ https://issues.apache.org/jira/browse/HBASE-4583?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13486377#comment-13486377

Lars Hofhansl commented on HBASE-4583:

So the main question is: Keep the upsert functionality for Increment and make it MVCC aware?
Or say that Increment is not special here and everything in HBase is versioned?
> Integrate RWCC with Append and Increment operations
> ---------------------------------------------------
>                 Key: HBASE-4583
>                 URL: https://issues.apache.org/jira/browse/HBASE-4583
>             Project: HBase
>          Issue Type: Bug
>            Reporter: Lars Hofhansl
>            Assignee: Lars Hofhansl
>             Fix For: 0.94.3, 0.96.0
>         Attachments: 4583-trunk-radical.txt, 4583-trunk-radical_v2.txt, 4583-trunk-v3.txt,
4583.txt, 4583-v2.txt, 4583-v3.txt, 4583-v4.txt
> Currently Increment and Append operations do not work with RWCC and hence a client could
see the results of multiple such operation mixed in the same Get/Scan.
> The semantics might be a bit more interesting here as upsert adds and removes to and
from the memstore.

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