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https://issues.apache.org/jira/browse/NIFI-14760?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=18007893#comment-18007893
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David Handermann commented on NIFI-14760:
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Thanks for filing this issue [~danw4].
Following on from the discussion in Slack, on option to improve this behavior
could be to have the Python process shutdown if it is unable to communicate
with the parent NiFi process after a certain amount of time. I plan to take a
closer look at possible solutions soon.
> Orphaned Controller.py python process on JVM crash
> --------------------------------------------------
>
> Key: NIFI-14760
> URL: https://issues.apache.org/jira/browse/NIFI-14760
> Project: Apache NiFi
> Issue Type: Improvement
> Components: Extensions
> Affects Versions: 2.4.0
> Reporter: Dan W
> Priority: Major
>
> For a component written in python, if the jvm crashes, the controller.py and
> child processes are orphaned and left running. When Nifi starts back up, it
> launches a new instance of the Controller.py and child processes, consuming
> memory.
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