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Date: Mon, 7 Feb 2011 08:29:34 +0000 (UTC)
From: "Filipe Manana (JIRA)" <jira@apache.org>
To: dev@couchdb.apache.org
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Subject: [jira] Resolved: (COUCHDB-1054) Better couch_log performance
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     [ https://issues.apache.org/jira/browse/COUCHDB-1054?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Filipe Manana resolved COUCHDB-1054.
------------------------------------

       Resolution: Fixed
    Fix Version/s: 1.2
                   1.1

Applied to trunk and 1.1.x

> Better couch_log performance
> ----------------------------
>
>                 Key: COUCHDB-1054
>                 URL: https://issues.apache.org/jira/browse/COUCHDB-1054
>             Project: CouchDB
>          Issue Type: Improvement
>            Reporter: Filipe Manana
>            Assignee: Filipe Manana
>             Fix For: 1.1, 1.2
>
>         Attachments: COUCHDB-1054-2.patch, COUCHDB-1054-3.patch, COUCHDB-1054.patch
>
>
> Building the messages to write to the console and the log file can be done outside the couch_log gen_event. This significantly increases the parallelism when many processes log messages. The following relaximation test graph shows a throughput increase using the attached patch against current trunk:
> http://graphs.mikeal.couchone.com/#/graph/0379dbdaef29b1c0fbf03421540243f7

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