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https://issues.apache.org/jira/browse/COUCHDB-1054?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12991306#comment-12991306
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Randall Leeds commented on COUCHDB-1054:
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Just saw this got committed but I had one more thought: do we save any extra
conversion and binary creation by using the binary of ConsoleMsg as the second
element of FileMsg?
> 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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