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From Rob Davies <rajdav...@gmail.com>
Subject Re: TotalEnqueueCount,TotalDequeueCount,TotalMessages in JMX activemq does not work as i would expect
Date Mon, 07 Jul 2008 06:33:09 GMT
On a queue - enqueue is the messages sent to a queue, messages is the  
messages held by the broker, and dequeue is the messages consumed.
So what you're seeing looks correct

On 7 Jul 2008, at 07:22, Michal Singer wrote:

>
> Queues
>
> rajdavies wrote:
>>
>> are you using topics or queues ?
>>
>> On 7 Jul 2008, at 06:20, Michal Singer wrote:
>>
>>>
>>> What you explained is what i understood should be:
>>> so i would expect that if all messages are consumed by clients,  
>>> that:
>>> TotalEnqueue=TotalMessages=TotalDequeue
>>>
>>> But this is not what i see as I mentioned before. (what i see is:
>>> TotalMessages+TotalDequeue=TotalEnqueue)
>>> I still don't understand why i don't get what you mentioned.
>>> Can you explain why?
>>>
>>> Thanks
>>>
>>>
>>>
>>> rajdavies wrote:
>>>>
>>>> The total messages  should be the number of messages in the  
>>>> broker at
>>>> that time,
>>>> the total enqueue count = the number of messages sent to the broker
>>>> the total dequeue count = the number of messages consumed by  
>>>> clients
>>>>
>>>> though the behaviour is slightly different between queues and  
>>>> topics
>>>> (e.g. enqueues get decremented for topics if messages expire - but
>>>> not
>>>> for queues)
>>>>
>>>> I'd like some feedback on what statistics people would like to see/
>>>> some more intuitive names etc ?
>>>>
>>>> On 7 Jul 2008, at 05:42, Michal Singer wrote:
>>>>
>>>>>
>>>>> I am using a snapshot of 5.2: apache- 
>>>>> activemq-5.2-20080619.135742-2-
>>>>> bin
>>>>> Can you explain the meaning of these attributes and what they  
>>>>> should
>>>>> hold,
>>>>> since i don't understand them.
>>>>> Thanks, Michal
>>>>>
>>>>>
>>>>> rajdavies wrote:
>>>>>>
>>>>>>
>>>>>> On 6 Jul 2008, at 13:40, Michal Singer wrote:
>>>>>>
>>>>>>>
>>>>>>> When i observe the JMX activemq broker node: I see that
>>>>>>> TotalMessages + TotalDequeueCount = TotalEnqueueCount
>>>>>>>
>>>>>>> I would expect that the TotalEnqueueCount = TotalDequeueCount
=
>>>>>>> TotalMessages
>>>>>>> Am i wrong? why is the first equation correct?
>>>>>>>
>>>>>>> Thanks
>>>>>>> --  
>>>>>>> View this message in context:
>>>>>>> http://www.nabble.com/TotalEnqueueCount%2CTotalDequeueCount%2CTotalMessages-in-JMX-activemq-does-not-work-as-i-would-expect-tp18301728p18301728.html
>>>>>>> Sent from the ActiveMQ - User mailing list archive at  
>>>>>>> Nabble.com.
>>>>>>>
>>>>>>
>>>>>> Which version of ActiveMQ are you using ? - the stats are  
>>>>>> certainly
>>>>>> are not intuitive - but this is something I'd like to sort out  
>>>>>> for
>>>>>> the
>>>>>> 5.2 release
>>>>>>
>>>>>>
>>>>>>
>>>>>>
>>>>>> Rob Davies
>>>>>> 'Go further faster with Apache Camel!'
>>>>>> http://rajdavies.blogspot.com/
>>>>>>
>>>>>>
>>>>>>
>>>>>>
>>>>>>
>>>>>
>>>>> -- 
>>>>> View this message in context:
>>>>> http://www.nabble.com/TotalEnqueueCount%2CTotalDequeueCount%2CTotalMessages-in-JMX-activemq-does-not-work-as-i-would-expect-tp18301728p18309951.html
>>>>> Sent from the ActiveMQ - User mailing list archive at Nabble.com.
>>>>>
>>>>
>>>>
>>>>
>>>
>>> -- 
>>> View this message in context:
>>> http://www.nabble.com/TotalEnqueueCount%2CTotalDequeueCount%2CTotalMessages-in-JMX-activemq-does-not-work-as-i-would-expect-tp18301728p18310211.html
>>> Sent from the ActiveMQ - User mailing list archive at Nabble.com.
>>>
>>
>>
>>
>
> -- 
> View this message in context: http://www.nabble.com/TotalEnqueueCount%2CTotalDequeueCount%2CTotalMessages-in-JMX-activemq-does-not-work-as-i-would-expect-tp18301728p18310691.html
> Sent from the ActiveMQ - User mailing list archive at Nabble.com.
>


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