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From "Sergey Shelukhin (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-9155) Enhance LoadTestTool to support updates
Date Fri, 13 Sep 2013 17:55:52 GMT

    [ https://issues.apache.org/jira/browse/HBASE-9155?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13766724#comment-13766724
] 

Sergey Shelukhin commented on HBASE-9155:
-----------------------------------------

I meant that if update follows write close they will usually end up just being in memstore...
scanner merging, compaction of values for the same key from multiple files etc. will never
happen. In fact most reads will be served from memstore probably (I am adding random reader
threads). When I was manually testing compactions the correctness of reads when compaction
is dropping stuff from old files/merging deletes/etc. was important. But nm we can take of
it later if needed.

                
> Enhance LoadTestTool to support updates
> ---------------------------------------
>
>                 Key: HBASE-9155
>                 URL: https://issues.apache.org/jira/browse/HBASE-9155
>             Project: HBase
>          Issue Type: Test
>            Reporter: Jimmy Xiang
>            Assignee: Jimmy Xiang
>             Fix For: 0.98.0, 0.95.2
>
>         Attachments: trunk-9155.patch
>
>
> We can enhance LoadTestTool to support updates like increment/append/checkAndPut/checkAndDelete
to make sure these operations work as expected during integration testing.
> If chaosmonkey is enabled, increment/append could be invoked multiple times. During verification,
we need to keep this in mind before they are guaranteed to be called only once in the sever
side.

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