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From "Filipe Manana (JIRA)" <j...@apache.org>
Subject [jira] Created: (COUCHDB-1054) Better couch_log performance
Date Wed, 02 Feb 2011 04:42:29 GMT
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


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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