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https://issues.apache.org/jira/browse/NIFI-3422?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16472173#comment-16472173
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Joseph Witt commented on NIFI-3422:
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Another JIRA for this just came in
https://issues.apache.org/jira/browse/NIFI-3422
It would be cool to support..
> Run Once Scheduling
> -------------------
>
> Key: NIFI-3422
> URL: https://issues.apache.org/jira/browse/NIFI-3422
> Project: Apache NiFi
> Issue Type: New Feature
> Components: Core Framework, Core UI
> Affects Versions: 1.2.0
> Reporter: Nazario
> Priority: Minor
> Labels: features
>
> A run once scheduling option allows a Processor to run once and then
> automatically stop. This is convenient when developing and debugging flows,
> or when building "visual scripts" for ad-hoc process integration or iterative
> analytics. Individual processors set to `Run once' can be selected on the
> canvas with a shift-click. Then clicking `Start' on the Operate Palette will
> start those processors which will run once and stop. Then one can modify
> processing parameters and repeat. Interactive analytics in particular
> benefit from this scheduling mode as they often require human review of
> results at the end of a flow followed by adjustment of flow parameters before
> running the next analytic flow.
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