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https://issues.apache.org/jira/browse/CASSANDRA-174?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Chris Goffinet updated CASSANDRA-174:
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    Attachment: 0002-Cleaned-up-logger_.debug-with-isDebugEnabled.patch

Patch with nice indentation 

> reduce logging overhead
> -----------------------
>
>                 Key: CASSANDRA-174
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-174
>             Project: Cassandra
>          Issue Type: Improvement
>            Reporter: Jonathan Ellis
>            Assignee: Chris Goffinet
>            Priority: Critical
>             Fix For: 0.4
>
>         Attachments: 0001-Cleaned-up-logger_.debug-with-isDebugEnabled.patch, 
> 0002-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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