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https://issues.apache.org/jira/browse/NIFI-6638?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Mark Payne resolved NIFI-6638.
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Fix Version/s: 1.12.0
Resolution: Fixed
> Empty multiple queues at once at different flow levels
> ------------------------------------------------------
>
> Key: NIFI-6638
> URL: https://issues.apache.org/jira/browse/NIFI-6638
> Project: Apache NiFi
> Issue Type: Improvement
> Components: Core UI
> Affects Versions: 1.9.2
> Reporter: Vincenzo Castro
> Priority: Minor
> Fix For: 1.12.0
>
> Time Spent: 7h
> Remaining Estimate: 0h
>
> This issue summarize what has been previously reported by NIFI-3632,
> NIFI-5329 and NIFI-4308.
> *Motivation*
> During development and flow testing it's often useful to empty all queues or
> a set of queues inside a single process group or process group hierarchy.
> Right now the process of emptying queues is tedious, each queue neeItalicds
> to be emptied individually by means of the "Empty queue" button in the
> context menu, since there is no option to empty multiple queues at once.
> *Proposed Solution*
> Replace the current "Empty queue" button in the context menu with an "Empty
> queues" sub-menu providing different options to empty multiple queues at
> different levels of the flow depending on the selected components.
> In particular, it would be useful to have such buttons for the "Empty queues"
> sub-menu:
> - selected queue: empty the selected queue
> - selected queues: empty the selected queues
> - current process group: empty all queues inside the current process group
> - current process group (recursive): empty all queues inside the current
> process group recursively, which means all queues inside the current process
> group, and its sub process groups, and their sub process groups [and so on]
> will be emptied
> - selected process group: empty all queues inside the selected process group
> - selected process group (recursive): empty all queues inside the selected
> process group recursively
> - selected process groups: empty all queues inside the selected process
> groups
> - selected process groups (recursive): empty all queues inside the selected
> process groups recursively
> *Errors management*: if the emptying process fails to empty one or more
> queues, it should keep going till all the selected queues are processed.
> After that, the final summary dialog should eventually provide information
> about the errors faced in emptying one or more queues.
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