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Date: Sat, 23 Mar 2013 20:37:15 +0000 (UTC)
From: "Lars Hofhansl (JIRA)" <jira@apache.org>
To: issues@hbase.apache.org
Message-ID: <JIRA.12638636.1364018909549.43531.1364071035137@arcas>
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Subject: [jira] [Commented] (HBASE-8188) Avoid unnecessary row compare in
 StoreScanner
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    [ https://issues.apache.org/jira/browse/HBASE-8188?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13611847#comment-13611847 ] 

Lars Hofhansl commented on HBASE-8188:
--------------------------------------

Yep. This is documented up in RegionScanner.
The test failures are suspicious. I'll take a look.
                
> Avoid unnecessary row compare in StoreScanner
> ---------------------------------------------
>
>                 Key: HBASE-8188
>                 URL: https://issues.apache.org/jira/browse/HBASE-8188
>             Project: HBase
>          Issue Type: Bug
>            Reporter: Lars Hofhansl
>            Assignee: Lars Hofhansl
>         Attachments: 8188-0.94.txt, 8188-0.96.txt, 8188-0.96.txt
>
>
> When scanner batching disable (which is the default) a row compare in StoreScanner avoided, because only entire rows of data are requested.
> This provides a slight performance gain, especially for tall tables (and when all data is in the cache)

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