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From "Jonathan Ellis (JIRA)" <j...@apache.org>
Subject [jira] Commented: (CASSANDRA-174) reduce logging overhead
Date Wed, 17 Jun 2009 16:18:07 GMT

    [ https://issues.apache.org/jira/browse/CASSANDRA-174?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12720739#action_12720739
] 

Jonathan Ellis commented on CASSANDRA-174:
------------------------------------------

Hmm, there's a bunch of conflicts with the CASSANDRA-79 patches.  Which isn't surprising since
they both touch a ton of files.

Will you be able to rerun your script after we merge -79, Chris?

> reduce logging overhead
> -----------------------
>
>                 Key: CASSANDRA-174
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-174
>             Project: Cassandra
>          Issue Type: Improvement
>            Reporter: Jonathan Ellis
>            Priority: Critical
>             Fix For: 0.4
>
>         Attachments: 0001-Cleaned-up-logger_.debug-with-isDebugEnabled.patch
>
>
> Logging overhead dominates workload for small column values.  This can be mitigated by
switching to INFO but you still have the overhead of throwing all those strings together.
 Some ideas here: http://surguy.net/articles/removing-log-messages.xml

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