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https://issues.apache.org/jira/browse/NIFI-4768?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16323489#comment-16323489
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ASF GitHub Bot commented on NIFI-4768:
--------------------------------------
Github user ijokarumawak commented on a diff in the pull request:
https://github.com/apache/nifi/pull/2397#discussion_r161132714
--- Diff:
nifi-nar-bundles/nifi-extension-utils/nifi-reporting-utils/src/main/java/org/apache/nifi/reporting/util/provenance/ProvenanceEventConsumer.java
---
@@ -256,9 +297,15 @@ private boolean isFilteringEnabled() {
}
}
}
+ if (!eventTypesExclude.isEmpty() &&
eventTypesExclude.contains(provenanceEventRecord.getEventType())) {
+ continue;
--- End diff --
These two, `eventTypesExclude` and `eventTypes` are the most
computationally cheap conditions. So, these should be done at the beginning,
before checking ProcessGroup hierarchies. How do you think?
> 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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