[jira] [Commented] (ARTEMIS-1140) Avoid Queue lock on queueQuery

["ASF GitHub Bot (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/ARTEMIS-1140?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15995155#comment-15995155 ] 

ASF GitHub Bot commented on ARTEMIS-1140:
-----------------------------------------

GitHub user clebertsuconic opened a pull request:

    https://github.com/apache/activemq-artemis/pull/1247

    ARTEMIS-1140 Avoid lock on queue for message counts

    

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

    $ git pull https://github.com/clebertsuconic/activemq-artemis artemis-1140

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

    https://github.com/apache/activemq-artemis/pull/1247.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 #1247
    
----
commit aec01d59034637002bced694e5c36820085054f3
Author: Clebert Suconic <cl...@apache.org>
Date:   2017-05-03T16:10:59Z

    ARTEMIS-1140 Avoid lock on queue for message counts

----


> Avoid Queue lock on queueQuery
> ------------------------------
>
>                 Key: ARTEMIS-1140
>                 URL: https://issues.apache.org/jira/browse/ARTEMIS-1140
>             Project: ActiveMQ Artemis
>          Issue Type: Bug
>    Affects Versions: 1.5.4, 2.0.0
>            Reporter: clebert suconic
>            Assignee: clebert suconic
>             Fix For: 1.5.5, 2.next
>
>
> queueQuery is currently holding a lock on the queue to get a strict message count on the queue.
> In case of high performance scenarios mixed with an anti-pattern on the client with calling queueQuery constantly this will incur on low performance.
> this is an anti-pattern and not much we can do, but we don't need to hold a lock just for that query.



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