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https://issues.apache.org/jira/browse/NIFI-4768?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16323461#comment-16323461
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ASF GitHub Bot commented on NIFI-4768:
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Github user ijokarumawak commented on the issue:
https://github.com/apache/nifi/pull/2397
Reviewing...
> Add exclusion filters to SiteToSiteProvenanceReportingTask
> ----------------------------------------------------------
>
> Key: NIFI-4768
> URL: https://issues.apache.org/jira/browse/NIFI-4768
> Project: Apache NiFi
> Issue Type: Improvement
> Reporter: Matt Burgess
> Assignee: Matt Burgess
>
> Although the SiteToSiteProvenanceReportingTask has filters for which events,
> components, etc. to capture, it is an inclusive filter, meaning if a filter
> is set, only those entities' events will be sent. However it would be useful
> to also have an exclusionary filter, in order to capture all events except a
> few.
> One particular use case is a sub-flow that processes provenance events, where
> the user would not want to process provenance events generated by components
> involved in the provenance-handling flow itself. In this fashion, for
> example, if the sub-flow is in a process group (PG), then the user could
> exclude the PG and the Input Port sending events to it, thereby allowing the
> sub-flow to process all other events except those involved with the
> provenance-handling flow itself.
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