You are viewing a plain text version of this content. The canonical link for it is here.

Posted to dev@hbase.apache.org by "stack (JIRA)" <ji...@apache.org> on 2014/01/26 23:37:40 UTC

[jira] [Resolved] (HBASE-3504) HLog performance improvement

     [ https://issues.apache.org/jira/browse/HBASE-3504?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

stack resolved HBASE-3504.
--------------------------

    Resolution: Won't Fix

There is no update lock any more in trunk, the focus of this issue.

> HLog performance improvement
> ----------------------------
>
>                 Key: HBASE-3504
>                 URL: https://issues.apache.org/jira/browse/HBASE-3504
>             Project: HBase
>          Issue Type: Improvement
>          Components: regionserver
>            Reporter: dhruba borthakur
>            Assignee: dhruba borthakur
>
> The HLog.updateLock protects the rolling of logs with concurrent writes to the HDFS log file. This is a scalability bottleneck for a workload that comprises mostly of counter-increments.



--
This message was sent by Atlassian JIRA
(v6.1.5#6160)