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https://issues.apache.org/jira/browse/SLING-2361?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Carsten Ziegeler closed SLING-2361.
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> Drop commons.math dependency
> ----------------------------
>
> Key: SLING-2361
> URL: https://issues.apache.org/jira/browse/SLING-2361
> Project: Sling
> Issue Type: Improvement
> Components: Engine
> Reporter: Felix Meschberger
> Assignee: Felix Meschberger
> Fix For: Engine 2.2.6
>
>
> As of Rev. 1138159 (SLING-1476) the RequestProcessorMBeanImpl exists to
> convey Sling request processing statistics. For the mean and variance values
> the Commons Math SynchronizedSummaryStatistics class is used.
> IMHO this is quite a heavy dependency for such a simple computation (well,
> the mathematics behind this are not simple, at least not to me ;-) ). So I
> suggest we in lie a simple continuously updating algorithm into the
> addRequestDuration method, which is modified to be synchronized.
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