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From "Dave Marion (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (ACCUMULO-1905) WALog is slow
Date Fri, 28 Feb 2014 00:50:24 GMT

    [ https://issues.apache.org/jira/browse/ACCUMULO-1905?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13915292#comment-13915292
] 

Dave Marion commented on ACCUMULO-1905:
---------------------------------------

I would be interested to know if Hadoop 2.3 performance is better or worse.

> WALog is slow
> -------------
>
>                 Key: ACCUMULO-1905
>                 URL: https://issues.apache.org/jira/browse/ACCUMULO-1905
>             Project: Accumulo
>          Issue Type: Bug
>          Components: tserver
>    Affects Versions: 1.5.0
>         Environment: hadoop 2.2.0, accumulo 1.6.0, hash 45fbee6937549048c74fe176f201c246de0f5e0a
>            Reporter: Eric Newton
>            Assignee: Keith Turner
>            Priority: Critical
>             Fix For: 1.6.0
>
>
> I thought that the continuous ingest test was going slower than it used to.  I was getting
about 20K k-v/sec on my desktop.
> After turning off the WALog, ingest shot up to 200K k-v/sec.  I expected some improvement,
but not an order of magnitude.



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