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https://issues.apache.org/jira/browse/FLUME-854?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13154887#comment-13154887
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Praveen Ramachandra commented on FLUME-854:
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Some operational metrics are event rate on a per source, sink & channel basis.
Time an event spends in a channel (min wise average/mean statistics) etc.,
There are tons of metrics that flume-og used to collect, only issue is it is a
point in time snapshot and we need to build tools with (complex) logic to build
operational statistics of the system.
> Persisting Operational metrics of Channel, Source, Sink
> -------------------------------------------------------
>
> Key: FLUME-854
> URL: https://issues.apache.org/jira/browse/FLUME-854
> Project: Flume
> Issue Type: New Feature
> Components: Channel, Node, Sinks+Sources
> Affects Versions: NG alpha 1
> Environment: All
> Reporter: Praveen Ramachandra
>
> When the node get's restarted all of the operational metrics gets wiped out.
> It is a good idea to persist the operational metrics in persistent store
> (like an RRD file)
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