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https://issues.apache.org/jira/browse/FLUME-3050?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15896189#comment-15896189
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Yuval Lifshitz commented on FLUME-3050:
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Hi Tristan,
Yes you are right. If these are not already available then they will have to be
added first. I guess that actually exposing them to the API would be the easy
part.
Regarding comparing attempts with successes, this might be tricky due to the
nature of sampling at high rates - the numbers might not match even if there
are no errors. So, triggering alarms based on that might have false positives.
Will change the title.
Thanks,
Yuval
> add error stats to monitor URL
> ------------------------------
>
> Key: FLUME-3050
> URL: https://issues.apache.org/jira/browse/FLUME-3050
> Project: Flume
> Issue Type: Improvement
> Components: Channel, Shell, Sinks+Sources
> Affects Versions: v1.7.0
> Reporter: Yuval Lifshitz
> Labels: features
>
> currently error counters are not present when getting stats. for example:
> {code}
> > curl http://my-flume-host:44444/metrics
> {"SINK.k1":{"ConnectionCreatedCount":"1","ConnectionClosedCount":"0","Type":"SINK","BatchCompleteCount":"0","BatchEmptyCount":"4","EventDrainAttemptCount":"10","StartTime":"1485348138992","EventDrainSuccessCount":"10","BatchUnderflowCount":"1","StopTime":"0","ConnectionFailedCount":"0"},"CHANNEL.c1":{"ChannelCapacity":"1000000","ChannelFillPercentage":"0.0","Type":"CHANNEL","ChannelSize":"0","EventTakeSuccessCount":"10","EventTakeAttemptCount":"15","StartTime":"1485348138990","EventPutAttemptCount":"10","EventPutSuccessCount":"10","StopTime":"0"},"SOURCE.r1":{"EventReceivedCount":"10","AppendBatchAcceptedCount":"0","Type":"SOURCE","AppendReceivedCount":"0","EventAcceptedCount":"10","StartTime":"1485348138993","AppendAcceptedCount":"0","OpenConnectionCount":"0","AppendBatchReceivedCount":"0","StopTime":"0"}}
> {code}
> return only "good" stats for source, channel and sink.
> to get error you need to look into the log file. this makes it hard to
> integrate flume into automatic monitoring systems, NMS etc.
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