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Posted to issues@hbase.apache.org by "Lars Hofhansl (JIRA)" <ji...@apache.org> on 2014/05/17 02:04:53 UTC

[jira] [Commented] (HBASE-8770) deletes and puts with the same ts should be resolved according to mvcc/seqNum

    [ https://issues.apache.org/jira/browse/HBASE-8770?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14000525#comment-14000525 ] 

Lars Hofhansl commented on HBASE-8770:
--------------------------------------

This comes up about once/year :)
Idempotent operations are an important feature of HBase. This would break this, so I am -0 on this approach.

> deletes and puts with the same ts should be resolved according to mvcc/seqNum
> -----------------------------------------------------------------------------
>
>                 Key: HBASE-8770
>                 URL: https://issues.apache.org/jira/browse/HBASE-8770
>             Project: HBase
>          Issue Type: Brainstorming
>            Reporter: Sergey Shelukhin
>            Priority: Critical
>
> This came up during HBASE-8721. Puts with the same ts are resolved by seqNum. It's not clear why deletes with the same ts as a put should always mask the put, rather than also being resolve by seqNum.
> What do you think?



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