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https://issues.apache.org/jira/browse/HADOOP-14503?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Hanisha Koneru updated HADOOP-14503:
------------------------------------
    Attachment: HADOOP-14503.003.patch

Updated patch v03 with the following change:
Discarding any existing samples if RollingAverages parameters (Window size or 
Num Windows) is changed.
Thanks [~arpitagarwal] for pointing it out.

> Make RollingAverages a mutable metric
> -------------------------------------
>
>                 Key: HADOOP-14503
>                 URL: https://issues.apache.org/jira/browse/HADOOP-14503
>             Project: Hadoop Common
>          Issue Type: Improvement
>          Components: common
>            Reporter: Hanisha Koneru
>            Assignee: Hanisha Koneru
>         Attachments: HADOOP-14503.001.patch, HADOOP-14503.002.patch, 
> HADOOP-14503.003.patch
>
>
> RollingAverages metric extends on MutableRatesWithAggregation metric and 
> maintains a group of rolling average metrics. This class should be allowed to 
> register as a metric with the MetricSystem.



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