Amit Herlekar created ARTEMIS-3416:
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Summary: Message count is not zero even after all messages are
consumed and acknowledged
Key: ARTEMIS-3416
URL: https://issues.apache.org/jira/browse/ARTEMIS-3416
Project: ActiveMQ Artemis
Issue Type: Bug
Components: Broker
Affects Versions: 2.16.0
Environment: Single artemis instance running as a K8s deployment with
single replica on CentOS 7.9
Reporter: Amit Herlekar
Attachments: image-2021-08-06-17-19-37-446.png,
image-2021-08-06-17-20-45-445.png, image-2021-08-06-17-24-45-732.png
We have switched from ActiveMQ Classic to ActiveMQ Artemis. Thanks to the nice
documentation on github that we are able to containerize it and deploy it as a
K8s deployment as [KEDA|https://keda.sh/docs/2.4/scalers/artemis/].
Coming to the issue, we are using STOMP using stomp.py python module. The
ACK-mode is set as client-individual and consumerWindowSize = 0 on the
connection. We are promptly acknowledging the message as soon as we read it.
The problem is, sometimes, the message count in the web console does not become
zero even after all the messages are actually consumed and acknowledged. When I
browse the queue, I don't see any messages in it. This is causing KEDA to spin
up pods unnecessarily.
Please refer to the screenshots attached.
As a temporary arrangement, can you let me now how to make the delivery message
count = 0.
!image-2021-08-06-17-24-45-732.png|width=638,height=571!
!image-2021-08-06-17-19-37-446.png|width=811,height=674!
!image-2021-08-06-17-20-45-445.png|width=671,height=300!
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