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https://issues.apache.org/jira/browse/ARTEMIS-1604?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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clebert suconic closed ARTEMIS-1604.
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Resolution: Fixed
Fix Version/s: 2.7.0
> Artemis deadlock using MQTT Protocol
> ------------------------------------
>
> Key: ARTEMIS-1604
> URL: https://issues.apache.org/jira/browse/ARTEMIS-1604
> Project: ActiveMQ Artemis
> Issue Type: Bug
> Reporter: Tiago Santos
> Priority: Major
> Fix For: 2.7.0
>
> Attachments: artemisDeadlock.log, artemis_thread_dump.log, broker.xml
>
> Time Spent: 14h 50m
> Remaining Estimate: 0h
>
> Hello,
> When load testing artemis as our MQTT Broker, we detected the broker
> deadlocks and crashs (see attached log).
> Our use case is trying 1000 simultaneous connections (publishers) each
> sending 1 message per second with 1KB size.
> After all 1000 clients successfully connected to artemis and start sending
> the messages after a while the deadlock comes up.
> The Xms and Xmx of the JVM both are set to 4GB
> The broker.xml can be found in attach.
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