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https://issues.apache.org/jira/browse/NIFIREG-133?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16358583#comment-16358583
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Andrew Lim commented on NIFIREG-133:
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Will likely document this in the NiFi User Guide. If so, will open a separate
Jira in NiFi project. Am in the process of gathering use cases for a Flow
Deployment Guide. Variables in versioned process groups would be a good
section for that new document.
> [Documentation] Explain how variables are captured when versioning a PG
> -----------------------------------------------------------------------
>
> Key: NIFIREG-133
> URL: https://issues.apache.org/jira/browse/NIFIREG-133
> Project: NiFi Registry
> Issue Type: Improvement
> Reporter: Pierre Villard
> Assignee: Andrew Lim
> Priority: Minor
>
> Context:
> I have a process group PG that contains an embedded process group PG1. I have
> a variable defined at PG level that is referenced in a PG1's processor. When
> versioning both PG and PG1 in NiFi Registry, a copy of the variable defined
> at PG level will be created at PG1 level.
> Consequently, when importing PG in another environment, the variable needs to
> be modified at PG1 level because the one created at PG1 level overwrites the
> one initially defined at PG level.
> > Would be nice to add this behavior in the documentation.
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