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Posted to issues@ambari.apache.org by "Aravindan Vijayan (JIRA)" <ji...@apache.org> on 2016/06/14 22:07:30 UTC

[jira] [Commented] (AMBARI-17238) AMS extrapolation should be done only for Counter metrics.

    [ https://issues.apache.org/jira/browse/AMBARI-17238?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15330726#comment-15330726 ] 

Aravindan Vijayan commented on AMBARI-17238:
--------------------------------------------

Modified unit tests for testing interpolation of Counter as well as non counter metrics. 

mvn clean test on ambari-metrics passed.


> AMS extrapolation should be done only for Counter metrics.
> ----------------------------------------------------------
>
>                 Key: AMBARI-17238
>                 URL: https://issues.apache.org/jira/browse/AMBARI-17238
>             Project: Ambari
>          Issue Type: Bug
>          Components: ambari-metrics
>    Affects Versions: 2.4.0
>            Reporter: Aravindan Vijayan
>            Assignee: Aravindan Vijayan
>            Priority: Critical
>             Fix For: 2.4.0
>
>         Attachments: AMBARI-17238.patch
>
>
> Extrapolation was introduced through  AMBARI-16887. This leads to extrapolation of non-counter based metrics like cpu_idle, thus leading possibly to greater than 100% values.
> In such cases, we should stick to only doing interpolation.



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