[jira] [Resolved] (ARTEMIS-1175) Memory Leak Mqtt

["Martyn Taylor (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/ARTEMIS-1175?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Martyn Taylor resolved ARTEMIS-1175.
------------------------------------
    Resolution: Fixed

> 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
>            Priority: Major
>             Fix For: 2.2.0, 1.6.0
>
>         Attachments: 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, broker.xml, 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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