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https://issues.apache.org/jira/browse/HBASE-5418?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13210072#comment-13210072
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Lars Hofhansl commented on HBASE-5418:
--------------------------------------

This would address some (but not all) of my concerns with HBASE-5241.
I still find the notion that we have an order that is different from the one 
implied by the timestamps "dangerous", especially because the sort order of the 
KVs is not according to the memstoreTSs.

                
> use different memstoreTS for different operations in the same RowMutation.
> --------------------------------------------------------------------------
>
>                 Key: HBASE-5418
>                 URL: https://issues.apache.org/jira/browse/HBASE-5418
>             Project: HBase
>          Issue Type: Sub-task
>          Components: client, coprocessors, regionserver
>            Reporter: Amitanand Aiyer
>            Assignee: Amitanand Aiyer
>             Fix For: 0.94.0
>
>         Attachments: HBASE-5418.D1761.1.patch
>
>
> Assigning different memstoreTS will enable us to guarantee that the
> operations will appear to take effect, along the same order, in which
> they were added to create the RowMutation.
> Based on the diff after renaming to RowMutations.

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