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https://issues.apache.org/jira/browse/SOLR-1550?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Mike Anderson updated SOLR-1550:
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Attachment: SOLR-1550.patch
I followed this algorithm:
http://en.wikipedia.org/wiki/Standard_deviation#Rapid_calculation_methods
Somebody should double check the type casting, though, I just made educated
guesses. I couldn't find the unit tests for these statistics, if somebody could
point me in the right direction I can write one.
Cheers,
Mike
> statistics for request handlers should report std dev
> -----------------------------------------------------
>
> Key: SOLR-1550
> URL: https://issues.apache.org/jira/browse/SOLR-1550
> Project: Solr
> Issue Type: Improvement
> Reporter: Mike Anderson
> Priority: Trivial
> Attachments: SOLR-1550.patch
>
>
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