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From "Chetan Mehrotra (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (SLING-7223) Spikes in RRD after restart
Date Wed, 01 Nov 2017 04:51:00 GMT

    [ https://issues.apache.org/jira/browse/SLING-7223?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16233656#comment-16233656
] 

Chetan Mehrotra commented on SLING-7223:
----------------------------------------

Done with [commit|https://gitbox.apache.org/repos/asf?p=sling-org-apache-sling-commons-metrics-rrd4j.git;a=commitdiff;h=d6d22d0f6f431e2f9c2bf465833cf3831095636d]

> Spikes in RRD after restart
> ---------------------------
>
>                 Key: SLING-7223
>                 URL: https://issues.apache.org/jira/browse/SLING-7223
>             Project: Sling
>          Issue Type: Bug
>          Components: Commons
>    Affects Versions: Commons Metrics RRD4J 1.0.0
>            Reporter: Marcel Reutegger
>            Priority: Major
>         Attachments: SLING-7223.patch
>
>
> Running the reporter for some time and then restarting the process shows spikes in the
collected data. These are caused by counter gauges that are reset to zero after a restart.
RRD interprets them as 32bit or 64bit integer overflows and calculates incorrect values.



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