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Posted to dev@sirona.apache.org by "Romain Manni-Bucau (JIRA)" <ji...@apache.org> on 2016/04/27 18:14:13 UTC

[jira] [Resolved] (SIRONA-63) basic exponential decay counter implemenation

     [ https://issues.apache.org/jira/browse/SIRONA-63?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Romain Manni-Bucau resolved SIRONA-63.
--------------------------------------
    Resolution: Fixed

> basic exponential decay counter implemenation
> ---------------------------------------------
>
>                 Key: SIRONA-63
>                 URL: https://issues.apache.org/jira/browse/SIRONA-63
>             Project: Sirona
>          Issue Type: New Feature
>            Reporter: Romain Manni-Bucau
>            Assignee: Romain Manni-Bucau
>             Fix For: 0.4-incubating
>
>
> # active
> org.apache.sirona.counter.exponential-decay= true
> # alpha in http://dimacs.rutgers.edu/~graham/pubs/papers/fwddecay.pdf
> org.apache.sirona.counter.exponential-decay.alpha = 0.015
> # how many values to keep in mem
> org.apache.sirona.counter.exponential-decay.sampling-size= 512
> # each 5 s refresh stats (= recompute)
> org.apache.sirona.counter.exponential-decay.refresh-seconds= 5



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