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https://issues.apache.org/jira/browse/NIFI-619?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15235055#comment-15235055
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Joseph Witt commented on NIFI-619:
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Good point [~ijokarumawak]. I think perhaps we should offer two modes of
operation. One mode would apply the monitoring across the whole of the cluster
and the other would be independent nodes. Our state management capability
supports this distinction. I also agree we must carefully use state management
when distributing across the cluster. Probably only write new values every so
many seconds or so.
> update MonitorActivity processor to be cluster friendly
> -------------------------------------------------------
>
> Key: NIFI-619
> URL: https://issues.apache.org/jira/browse/NIFI-619
> Project: Apache NiFi
> Issue Type: Improvement
> Reporter: Brandon DeVries
> Priority: Minor
>
> This processor should be able to be used to monitor activity across the
> cluster. In its current state, alerting is based on activity of a single
> node, not the entire cluster.
> For example, in a 2 node cluster, if system A is getting data from a given
> flow and system B is not, system B will alert for lack of activity even
> though the flow is functioning "normally".
> The ideal behavior would be fore an alert to be generated only if both
> systems did not see data in the specified time.
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