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https://issues.apache.org/jira/browse/NIFI-730?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14977152#comment-14977152
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Aldrin Piri commented on NIFI-730:
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The browser not responding I can consistently recreate.
# Queue up many files on a connection
# initialize an empty on that connection
# refresh the browser (page level not just stats)
# UI is blocked from loading until, seemingly, that emptying process completes.
Interacting with the REST API while the UI is blocking, however, is responsive
and immediate.
Will attach a thread dump
> Purge Queue from UI
> -------------------
>
> Key: NIFI-730
> URL: https://issues.apache.org/jira/browse/NIFI-730
> Project: Apache NiFi
> Issue Type: Improvement
> Components: Core Framework, Core UI
> Reporter: Brian Ghigiarelli
> Priority: Minor
> Fix For: 0.4.0
>
>
> Making changes to connections between NiFi processors is difficult when data
> is queued up between those processors. A workaround to this data build up is
> to stop both processors, reduce/set the FlowFile Expiration of the connection
> to a low number (e.g., 2 sec), then start the receiving processor to age off
> the data.
> A more user-friendly solution is to provide a "Purge" or "Delete" context
> menu option on the queues to remove the data and/or age it off immediately.
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