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From "Filipe Manana (JIRA)" <j...@apache.org>
Subject [jira] Commented: (COUCHDB-1054) Better couch_log performance
Date Wed, 02 Feb 2011 19:13:28 GMT

    [ https://issues.apache.org/jira/browse/COUCHDB-1054?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12989758#comment-12989758
] 

Filipe Manana commented on COUCHDB-1054:
----------------------------------------

Volker, I don't fully understand your comment. What do you mean with "I'm definitely for timestamps"?
Timestamps were always present. Or do you mean that having apparently out of order timestamps
is not an issue for you?

> 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
>         Attachments: COUCHDB-1054-2.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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