John Joseph created NIFI-15135:
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Summary: Flow files passing through Notify is not releasing hook
in Wait
Key: NIFI-15135
URL: https://issues.apache.org/jira/browse/NIFI-15135
Project: Apache NiFi
Issue Type: Bug
Components: Core Framework
Affects Versions: 2.5.0
Reporter: John Joseph
Attachments: image-2025-10-24-13-53-04-113.png,
image-2025-10-24-13-53-18-208.png, image-2025-10-24-13-53-28-990.png,
image-2025-10-24-13-53-48-191.png, image-2025-10-24-13-54-19-958.png
We have nifi 2.5 running on cluster mode.
We have a flow definition that uses Wait and Notify, service used is
EmbeddedHazelcastCacheManager and HazelcastMapCacheClient.
The Wait and Notify processors use the same services, but both of them belong
in 2 different sub flow definitions.
We were running performance testing on this flow definition, noticed that
though the value passes through Notify processor, the flowfile in the Wait
queue was not released.
There are no errors in the logs
We ran with a test case of 70k requests and around 12k of them are waiting in
the queue. We checked other application responsible for sending the release
hook , it has worked as expected. All these request have also reached its
expected final state
We were able to see that the release flowfile has also passed through Notify,
but has not actually released it from Wait.
we have default 1 sec scheduling for all the processors
This is a working template in 1.28.1
!image-2025-10-24-13-53-04-113.png!
!image-2025-10-24-13-53-18-208.png!
!image-2025-10-24-13-53-28-990.png!
!image-2025-10-24-13-53-48-191.png!
!image-2025-10-24-13-54-19-958.png!
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