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https://issues.apache.org/activemq/browse/AMQ-2887?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=61738#action_61738
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C Velo edited comment on AMQ-2887 at 9/8/10 4:30 PM:
-----------------------------------------------------
I can also see the negative queue counts in JConsole as well.
Haven't been able to reproduce a test case with this using JMeter, however,
I have been able to reproduce this via using an in-house test script which
puts large #'s of our application-specific messages on the application queues.
+Scenario:+
• Producers: 3
• Brokers (network of brokers): 2
• Consumers (application consumers): 2
Our message sizes are small - all of them under 1k.
----
To reproduce, start up multiple Producers, both of which are throwing 80,000+
messages
at two brokers (which are networked together) and have the two consumers
running on
separate servers pulling items off of the application queue.
----
+NetworkConnector snippet:+
{code}
<networkConnector name="ActiveMQ Cluster"
uri="static:(tcp://broker1:61616,tcp://broker2:61616,tcp://broker3:61616)" \
conduitSubscriptions="false" \
dynamicOnly="true" \
decreaseNetworkConsumerPriority="false" \
suppressDuplicateQueueSubscriptions="true" \
duplex="true" \
networkTTL="5"/>
</networkConnectors>
{code}
was (Author: cvelo):
I can also see the negative queue counts in JConsole as well.
Haven't been able to reproduce a test case with this using JMeter, however,
I have been able to reproduce this via using an in-house test script which
puts large #'s of our application-specific messages on the application queues.
+Scenario:+
• Producers: 3
• Brokers (network of brokers): 2
• Consumers (application consumers): 2
Our message sizes are small - all of them under 1k.
----
To reproduce, start up multiple Producers, both of which are throwing 80,000+
messages
at two brokers (which are networked together) and have the two consumers
running on
separate servers pulling items off of the application queue.
----
+NetworkConnector snippet:+
{code}
<networkConnector name="ActiveMQ Cluster"
uri="static:(tcp://broker1:61616,tcp://broker2:61616,tcp://broker3:61616)"
conduitSubscriptions="false" dynamicOnly="true"
decreaseNetworkConsumerPriority="false"
suppressDuplicateQueueSubscriptions="true" duplex="true" networkTTL="5"/>
</networkConnectors>
{code}
> Seeing negative numbers in the "Number Of Pending Messages" column in the web
> console
> -------------------------------------------------------------------------------------
>
> Key: AMQ-2887
> URL: https://issues.apache.org/activemq/browse/AMQ-2887
> Project: ActiveMQ
> Issue Type: Bug
> Affects Versions: 5.3.2
> Environment: Linux 2.6.18-128.1.10.el5.xs5.5.0.51xen #1 SMP Wed Nov
> 11 07:38:08 EST 2009 i686 i686 i386 GNU/Linux
> Reporter: C Velo
> Attachments: pubd-amq3_negative_counts.pdf
>
>
> Seeing negative numbers in the "Number Of Pending Messages" column in the web
> console:
> ibsys.content.publication -9771 262 1192568 1202339
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