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https://issues.apache.org/jira/browse/NIFI-8466?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17347821#comment-17347821
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ASF subversion and git services commented on NIFI-8466:
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Commit e19940ea7ecff9b88b1fc2ac1aa5c1c8b3c3a777 in nifi's branch
refs/heads/main from Joe Gresock
[ https://gitbox.apache.org/repos/asf?p=nifi.git;h=e19940e ]
NIFI-8466: Resolving offload bug with Single Node load balanced queues
Signed-off-by: Nathan Gough <thena...@gmail.com>
This closes #5025.
> Offloading the Single Node load balancing target causes ignored backpressure
> ----------------------------------------------------------------------------
>
> Key: NIFI-8466
> URL: https://issues.apache.org/jira/browse/NIFI-8466
> Project: Apache NiFi
> Issue Type: Bug
> Affects Versions: 1.14.0
> Reporter: Joseph Gresock
> Assignee: Joseph Gresock
> Priority: Minor
> Attachments: Single_Node_Queue.xml
>
> Time Spent: 50m
> Remaining Estimate: 0h
>
> In a 3-node cluster, it is possible to get a Single Node load balanced queue
> into the following state by offloading the node that receives the load
> balanced flow files:
> # The load balanced queue ignores backpressure
> # The processor following the load balanced queue acts like it has nothing to
> process, even when running
> Steps to reproduce:
> # Add a Single Node load balanced queue on a multi-node cluster (see attached
> Template)
> # Discover which node receives the flow files in the queue by running only
> the first processor, then viewing the Connections tab of the Summary view,
> and finally clicking the Cluster button for the load balanced queue. The
> node that has all the flow files is the one you will need to Offload in the
> next step
> # Disconnect and then Offload the node that gets the flow files in Single
> Node load balancing
> # Reconnect the node
> # Run both processors surrounding the load balanced queue
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