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https://issues.apache.org/jira/browse/ARTEMIS-1175?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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clebert suconic reassigned ARTEMIS-1175:
----------------------------------------
Assignee: clebert suconic
> Memory Leak Mqtt
> ----------------
>
> Key: ARTEMIS-1175
> URL: https://issues.apache.org/jira/browse/ARTEMIS-1175
> Project: ActiveMQ Artemis
> Issue Type: Bug
> Components: MQTT
> Affects Versions: 1.5.3, 2.1.0
> Reporter: Odyldzhon Toshbekov
> Assignee: clebert suconic
> Fix For: 1.5.6, 2.2.0
>
> Attachments: broker.xml, Screen Shot 2017-05-19 at 3.47.46 PM.png,
> Screen Shot 2017-05-20 at 10.52.00 PM.png, Screen Shot 2017-05-20 at 11.05.49
> PM.png, Screen Shot 2017-05-20 at 11.10.47 PM.png, test_output.txt
>
>
> Artemis periodically crashed because of OOM.
> I don't have ability to get heap dump from the server where OOM is happens
> but I reproduce memory leak on my machine (7 clients send 1message every 100
> ms to the 1 subscriber)
> Looks like memory leak occurs in the class MQTTSessionState.OutboundStore
> because every time when Artemis publish message to subscriber he put to map
> "artemisToMqttMessageMap" key = (serverId + ":"+consumerId) and value =
> (mqttId) where serverId is id of message generated on Artemis side.
> This map is never are cleaned expect subscriber will be reconnected.
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