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From "Timothy Bish (JIRA)" <>
Subject [jira] [Commented] (AMQ-5762) Severe memory leak in the MQTT connector
Date Fri, 15 May 2015 20:30:59 GMT


Timothy Bish commented on AMQ-5762:

I don't know of any firm plans for releases at this point, I think a 5.12 is worth considering
soon given all the work we've done to harden it.  I did a merge back to 5.11.x for this fix
in case you want to build your own version of 5.11.  It could go back to 5.10.x if someone
wanted to do that also.  

> Severe memory leak in the MQTT connector
> ----------------------------------------
>                 Key: AMQ-5762
>                 URL:
>             Project: ActiveMQ
>          Issue Type: Bug
>          Components: MQTT
>    Affects Versions: 5.10.1, 5.10.2, 5.11.0, 5.11.1
>            Reporter: Michael Feingold
>            Assignee: Timothy Bish
>            Priority: Critical
>             Fix For: 5.12.0
>         Attachments: Screen Shot 2015-05-12 at 20.06.47.png, Screen Shot 2015-05-14 at
2.06.02 PM.png, activemq.xml, wrapper.conf
> When an MQTT connection is closed some memory is not released. In case of the soft close
(calling connection close on the client) memory leaks at the rate of 70K per connection close.
In case of the hard close (pulling the wire, or cutting off the network connection) the leak
goes at the rate of 300K per close. we also checked it on version 5.11 - same problem

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