hbase-issues mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From "Ted Yu (Commented) (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-4487) The increment operation can release the rowlock before sync-ing the Hlog
Date Fri, 30 Sep 2011 20:24:45 GMT

    [ https://issues.apache.org/jira/browse/HBASE-4487?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13118394#comment-13118394
] 

Ted Yu commented on HBASE-4487:
-------------------------------

Integrated patch v7 to TRUNK.

Thanks for the nice feature Dhruba.

Thanks for the reviews from Jonathan, Stack, Lars, Todd, Andrew and Ramkrishna.
                
> The increment operation can release the rowlock before sync-ing the Hlog
> ------------------------------------------------------------------------
>
>                 Key: HBASE-4487
>                 URL: https://issues.apache.org/jira/browse/HBASE-4487
>             Project: HBase
>          Issue Type: Improvement
>            Reporter: dhruba borthakur
>            Assignee: dhruba borthakur
>             Fix For: 0.94.0
>
>         Attachments: 4487-v7.txt, appendNoSync4.txt, appendNoSync5.txt, appendNoSync6.txt
>
>
> This allows for better throughput when there are hot rows.I have seen this change make
a single row update improve from 400 increments/sec/server to 4000 increments/sec/server.

--
This message is automatically generated by JIRA.
If you think it was sent incorrectly, please contact your JIRA administrators: https://issues.apache.org/jira/secure/ContactAdministrators!default.jspa
For more information on JIRA, see: http://www.atlassian.com/software/jira

        

Mime
View raw message