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From "Zhihong Yu (Commented) (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-5268) Add delete column prefix delete marker
Date Wed, 25 Jan 2012 01:22:42 GMT

    [ https://issues.apache.org/jira/browse/HBASE-5268?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13192757#comment-13192757
] 

Zhihong Yu commented on HBASE-5268:
-----------------------------------

I expect HBase users to have understanding of HBase internals.
Plus, the very exposure of this detail may give rise to the next breakthrough (in performance
optimization).
                
> Add delete column prefix delete marker
> --------------------------------------
>
>                 Key: HBASE-5268
>                 URL: https://issues.apache.org/jira/browse/HBASE-5268
>             Project: HBase
>          Issue Type: Improvement
>          Components: client, regionserver
>            Reporter: Lars Hofhansl
>         Attachments: 5268-v2.txt, 5268-v3.txt, 5268-v4.txt, 5268-v5.txt, 5268.txt
>
>
> This is another part missing in the "wide row challenge".
> Currently entire families of a row can be deleted or individual columns or versions.
> There is no facility to mark multiple columns for deletion by column prefix.
> Turns out that be achieve with very little code (it's possible that I missed some of
the new delete bloom filter code, so please review this thoroughly). I'll attach a patch soon,
just working on some tests now.

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