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https://issues.apache.org/jira/browse/HBASE-4583?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13487442#comment-13487442
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Lars Hofhansl commented on HBASE-4583:
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#1 Yeah, old comment.
#2 Should refactor the tests to call Upsert on Store and Memstore directly
rather than this - now defunct - method. The patch at least removes it from the
public API on both cases.
#3 I should add a test for Append. Bit more tricky than Increment as you get
ever increasing values (in terms of size)
#4 the test validates that. TestAtomicOperation would not return correct
results without the Increments waiting for all previous changes. (before this
patch this was handled by forcing the memTSs of all KV to 0 immediately)
#5 I'm fine either here, actually. Definitely 0.96, +0 on 0.94.
> 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: 0.96.0
>
> Attachments: 4583-trunk-less-radical.txt,
> 4583-trunk-less-radical-v2.txt, 4583-trunk-less-radical-v3.txt,
> 4583-trunk-less-radical-v4.txt, 4583-trunk-less-radical-v5.txt,
> 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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