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https://issues.apache.org/jira/browse/QPID-4517?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Philip Harvey updated QPID-4517:
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Attachment: QPID-4517-logging-perf-tests.tar.gz
Attached perf test config and results corresponding to my the comments I added
a few minutes ago.
> Java Broker: default log4j configuration outputs line numbers, which is a
> performance drag
> ------------------------------------------------------------------------------------------
>
> Key: QPID-4517
> URL: https://issues.apache.org/jira/browse/QPID-4517
> Project: Qpid
> Issue Type: Improvement
> Components: Java Broker
> Affects Versions: 0.20
> Reporter: Philip Harvey
> Assignee: Philip Harvey
> Priority: Minor
> Attachments:
> 0001-QPID-4517-modify-broker-log4j-configuration-to-use-l.patch,
> QPID-4517-logging-perf-tests.tar.gz
>
>
> By default we produce this sort of logging:
> {noformat}
> 2012-12-20 09:52:51,490 INFO [main] (AbstractConfiguration.java:124) -
> Tag:'path'
> {noformat}
> Including line numbers is slow, as described by the log4j documentation
> (http://logging.apache.org/log4j/1.2/apidocs/org/apache/log4j/PatternLayout.html):
> "WARNING Generating caller location information is extremely slow and should
> be avoided unless execution speed is not an issue."
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