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From "ryan rawson (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HBASE-1620) Need to use special StoreScanner constructor for major compactions (passed sf, no caching, etc)
Date Wed, 08 Jul 2009 07:58:14 GMT

    [ https://issues.apache.org/jira/browse/HBASE-1620?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12728549#action_12728549
] 

ryan rawson commented on HBASE-1620:
------------------------------------

it is possible this patch ups the perf of hbase... I now see smaller GC pauses, and I am achieving
higher hbase perf than before.

> Need to use special StoreScanner constructor for major compactions (passed sf, no caching,
etc)
> -----------------------------------------------------------------------------------------------
>
>                 Key: HBASE-1620
>                 URL: https://issues.apache.org/jira/browse/HBASE-1620
>             Project: Hadoop HBase
>          Issue Type: Bug
>          Components: regionserver
>    Affects Versions: 0.20.0
>            Reporter: Jonathan Gray
>            Assignee: Jonathan Gray
>            Priority: Blocker
>             Fix For: 0.20.0
>
>         Attachments: HBASE-1620-v1.patch
>
>
> Should not cache blocks during major compactions like with minor compactions.
> Also, need to only work on passed StoreFiles.

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