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From "ASF subversion and git services (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (ACCUMULO-1905) WALog is slow
Date Tue, 03 Dec 2013 17:22:37 GMT

    [ https://issues.apache.org/jira/browse/ACCUMULO-1905?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13837914#comment-13837914
] 

ASF subversion and git services commented on ACCUMULO-1905:
-----------------------------------------------------------

Commit 39260cb90be7129d91c21a3f85f625f8578ae554 in branch refs/heads/1.6.0-SNAPSHOT from [~keith_turner]
[ https://git-wip-us.apache.org/repos/asf?p=accumulo.git;h=39260cb ]

ACCUMULO-1905 added documentation about hsync to tserver.mutation.queue.max


> WALog is slow
> -------------
>
>                 Key: ACCUMULO-1905
>                 URL: https://issues.apache.org/jira/browse/ACCUMULO-1905
>             Project: Accumulo
>          Issue Type: Bug
>          Components: tserver
>         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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