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From Rob Davies <rajdav...@gmail.com>
Subject Re: Slow sending of messages
Date Wed, 17 Feb 2010 14:06:31 GMT
can you send your broker config ?
On 17 Feb 2010, at 12:38, Maarten_D wrote:

>
> The topics and queues are filled using a Spring JMSTemplate that has  
> it's own
> connection factory, and dequeuing is done by message listeners that  
> all have
> their own connection. So everything should have its own connection,  
> let
> alone session.
>
> I'll do another run on debug and see what it turns up.
>
>
> Adrian A wrote:
>>
>> you are running separate sessions for each of those dequeue/enqueue  
>> stats?
>>
>> in my flow control tests even when one particular session was hung  
>> other
>> sessions to the same broker was fine, just when I overwhelmed  
>> broker and
>> GC / disk checkpointing occurred that it got really bad.
>>
>> have you turned on debugging as that although verbose is a wealth of
>> information!
>>
>>
>>
>> Maarten_D wrote:
>>>
>>> Hi Adrian, thanks for your response.
>>>
>>> I'm currently running tests where I have a very fast producer and a
>>> relatively slow consumer. The producer publishes persistent  
>>> messages to a
>>> topic, where the enqueue and dequeue count diverge fairly rapidly  
>>> to a
>>> difference of around 80,000 messages. The producer then gets  
>>> whacked and
>>> the enqueue graph in visualvm completely levels off. This is more  
>>> or less
>>> expected, as I've turned on producerFlowControl for topics.  
>>> However, the
>>> entire broker stalls. I have several queues that are filled and  
>>> emptied
>>> at the same time as the topic, and their dequeue/enqueue stats  
>>> flatline
>>> as well, even though flow control shouldn't apply to them. Thats  
>>> why I
>>> was interested to find out if you'd discovered some kind of fresh  
>>> angle.
>>> Regards,
>>> Maarten
>>>
>>
>>
>
> -- 
> View this message in context: http://old.nabble.com/Slow-sending-of-messages-tp26849964p27623064.html
> Sent from the ActiveMQ - User mailing list archive at Nabble.com.
>

Rob Davies
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