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https://issues.apache.org/jira/browse/NIFI-4471?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16204100#comment-16204100
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Kevin Risden commented on NIFI-4471:
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Currently in NiFi there is nothing stopped a user from setting 10 million as
the connection flowfile queue object count. The UI/API allows basically any
number to be put in there. This is an easy way to cause instability in the
cluster by a user doing what is allowed in the UI.
> Set flow limits at process group level
> --------------------------------------
>
> Key: NIFI-4471
> URL: https://issues.apache.org/jira/browse/NIFI-4471
> Project: Apache NiFi
> Issue Type: New Feature
> Components: Core Framework
> Reporter: Haimo Liu
>
> In a multi-tenancy type of operational environment, as a NIFI admin user, I
> want to be able to set some limits at the Process Group level, to prevent my
> NIFI server from being stressed out.
> 1. I want to say "no connection's limit may be set higher than xxx MB."
> 2. "I can queue no more than xxx FFs at any connections"
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