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https://issues.apache.org/jira/browse/ARTEMIS-1700?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16374280#comment-16374280
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ASF GitHub Bot commented on ARTEMIS-1700:
-----------------------------------------

GitHub user qihongxu opened a pull request:

    https://github.com/apache/activemq-artemis/pull/1894

    ARTEMIS-1700 Fixed deadlock in paging state

    JournalStorageManager is not indeed using a `single` thread. We apply this
    patch to use a simple single thread executor.
    We have seen similar threads on Internet. This seems to be a remaining 
problem from hornetQ.

You can merge this pull request into a Git repository by running:

    $ git pull https://github.com/qihongxu/activemq-artemis ARTEMIS-1700

Alternatively you can review and apply these changes as the patch at:

    https://github.com/apache/activemq-artemis/pull/1894.patch

To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:

    This closes #1894
    
----
commit 53daaa2de6dc8407d6c263493b6a2f50b8f5668d
Author: 17060606 <17060606@...>
Date:   2018-02-23T12:00:00Z

    ARTEMIS-1700 Fixed deadlock in paging state
    
    JournalStorageManager is not indeed using a `single` thread. We apply this
    patch to use a simple single thread executor.
    We have seen similar threads on Internet. This seems to be a remaining 
problem from hornetQ.

----


> Server stopped responding and killed itself while exiting paging state
> ----------------------------------------------------------------------
>
>                 Key: ARTEMIS-1700
>                 URL: https://issues.apache.org/jira/browse/ARTEMIS-1700
>             Project: ActiveMQ Artemis
>          Issue Type: Bug
>          Components: Broker
>    Affects Versions: 2.4.0
>            Reporter: Qihong Xu
>            Priority: Major
>         Attachments: artemis.log
>
>
> We are currently experiencing this error while running stress test on artemis.
>  
> Basic configuration:
> 1 broker ,1 topic, pub-sub mode.
> Journal type = MAPPED. 
> Threadpool max size = 60.
>  
> In order to test the throughput of artemis we use 300 producers and 300 
> consumers. However we found that sometimes when artemis exit paging state, it 
> will stop responding and kill itself. This situatuion happened on some 
> specific servers.
>  
> Details can be found in attached dump file.
>  
>  



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