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From "Chris Goffinet (JIRA)" <j...@apache.org>
Subject [jira] Updated: (CASSANDRA-174) reduce logging overhead
Date Sat, 27 Jun 2009 00:57:47 GMT

     [ https://issues.apache.org/jira/browse/CASSANDRA-174?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Chris Goffinet updated CASSANDRA-174:
-------------------------------------

    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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