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https://issues.apache.org/jira/browse/NIFI-4017?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Koji Kawamura updated NIFI-4017:
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Status: Patch Available (was: Open)
> Notify processor does not have any data provenance generated
> ------------------------------------------------------------
>
> Key: NIFI-4017
> URL: https://issues.apache.org/jira/browse/NIFI-4017
> Project: Apache NiFi
> Issue Type: Bug
> Components: Extensions
> Affects Versions: 1.2.0
> Reporter: Koji Kawamura
> Assignee: Koji Kawamura
>
> Notify doesn't emit any provenance event because it doesn't do any update
> operation with incoming FlowFiles. There are other processors those don't
> create any provenance (e.g. LogAttribute), and those are probably fine, but
> since Notify can be an important part of controlling flow, it's easy to
> imagine users to search data provenance event for Notify.
> Then, which provenance event does suit what Notify does? I looked at
> PutDistributedMapCache processor. PutDistributedMapCache writes an attribute
> named 'cached' as true when it updates cache. I think Notify can use the same
> approach to create provenance events by adding 'notified' true attribute
> value, as it does the same thing with PutDistributedMapCache in terms of
> updating an entry in distributed cache.
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