[jira] [Resolved] (AMQ-7135) Deleting a destination with a large number of page files cause OOM.

["Jamie goodyear (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/AMQ-7135?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Jamie goodyear resolved AMQ-7135.
---------------------------------
       Resolution: Fixed
    Fix Version/s: 5.15.9
                   5.16.0

Thank you Heath Kesler for the patch.

> Deleting a destination with a large number of page files cause OOM. 
> --------------------------------------------------------------------
>
>                 Key: AMQ-7135
>                 URL: https://issues.apache.org/jira/browse/AMQ-7135
>             Project: ActiveMQ
>          Issue Type: Bug
>    Affects Versions: 5.15.8
>            Reporter: Heath Kesler
>            Assignee: Jamie goodyear
>            Priority: Major
>             Fix For: 5.16.0, 5.15.9
>
>
> When removing (delete) a destination using the console an error is reported. It appears all the page files are batched into memory.  If you have a large set of page files and a relatively small heap, this will cause the system to run out of memory. 
> This can be reproduced by doing the following:
> env: heap size: 384MB
> 1. Create a “test” queue and send more than 2 millions of persistent messages with size of 100KB to the “test”queue (this take some times). 
> 2. Delete “test” queue by clicking “delete” button on ActiveMQ Console. 
> 3. Wait and broker will die eventually. 
> 4. Broker won’t reboot successfully
> The observed error below can be seen in the logs. 
> {{org.springframework.web.util.NestedServletException: Handler dispatch failed; nested exception is java.lang.OutOfMemoryError: GC overhead limit exceeded}}
> {{ at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:982)[spring-webmvc-4.3.18.RELEASE.jar:4.3.18.RELEASE]}}



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