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From Kevin Burton <bur...@spinn3r.com>
Subject Re: Broker refusing to send messages to only certain queues?
Date Thu, 16 Apr 2015 03:11:29 GMT
It looks like this is a function of queue size.. if it grows large enough,
eventually, it seems, ActiveMQ stops dispatching messages to the consumers.

On Wed, Apr 15, 2015 at 6:55 PM, Kevin Burton <burton@spinn3r.com> wrote:

> I have a very strange bug I’m trying to track down.
>
> I have a very loaded ActiveMQ box (8 of them actually)… for the most part
> it’s working very well.
>
> However, I recently noticed that some of our queues aren’t actually doing
> any work.  Other queues are performing just fine.  In fact, the vast
> majority of them are performing fine.
>
> It’s just a few of them each with the same name.
>
> I’ve tried restarting both of my apps that consume my message, only to
> find the exact same behavior.
>
> The code is basically just not reading new messages sent to these given
> queues.
>
> I can’t restart the broker because we’re using the memory store for
> performance reasons.
>
> I can browse them manually … the messages are there.  JMX reports
> thousands of messages waiting to be executed.
>
> One theory I have is maybe the ActiveMQ connection isn’t properly handing
> messages to all my consumers.  The box is rather loaded.  I’m also calling
> receiveNoWait.. to read these queues.  So perhaps some buffer is being
> filled up with other queues or some of my connections aren’t being serviced?
>
> Thoughts?
>
> --
>
> Founder/CEO Spinn3r.com
> Location: *San Francisco, CA*
> blog: http://burtonator.wordpress.com
> … or check out my Google+ profile
> <https://plus.google.com/102718274791889610666/posts>
> <http://spinn3r.com>
>
>


-- 

Founder/CEO Spinn3r.com
Location: *San Francisco, CA*
blog: http://burtonator.wordpress.com
… or check out my Google+ profile
<https://plus.google.com/102718274791889610666/posts>
<http://spinn3r.com>

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