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From Rob Davies <rajdav...@gmail.com>
Subject Re: activemq-3.2.2 vs activemq-4.0-M4 performance comparsion
Date Mon, 24 Apr 2006 07:38:00 GMT
Hi Reza,

that's correct - it's a trade-off between performance and reliability  
- so in ActiveMQ 4.0 we opted for safety first.

cheers,

Rob

On 24 Apr 2006, at 08:17, reza aliakbary wrote:

> Hi Rob,
>
>   Yes, You are right. I changed the property and now the benchmark   
> performs quite fast with the snapshot version. But what would I  
> loose  if I set useAsyncSend = true? I think I get no exception if  
> a message  cannot be delivered, right?
>
>   Cheers,
>   Reza
>
> Rob Davies <rajdavies@gmail.com> wrote:  Hi Reza,
>
> this is good feedback - something that has changed between activemq
> 3.x and 4.0 is that by default messages sent from a MessageProducer
> now wait for a receipt from the message broker that the message has
> been received. So a property you could set on your Connection Factory
> is to set useAsyncSend = true.
>
> I'd be interested to know if this makes a difference for you.
>
> cheers,
>
> Rob
>
> On 23 Apr 2006, at 15:25, reza aliakbary wrote:
>
>> Dear Rob, The current snapshot performs better than RC2 but still
>> it is  too slower than 3.2.2 . With a benchmark in the same
>> environment I got  the following times:
>>   3.2.2 ----> 8 sec.
>>   SNAPSHOT ----> 43 sec.
>>   RC2 --- > 77 sec.
>>
>>   So you see the diffrence is a lot(8 vs 43).
>>
>>   Thanks,
>>   Reza
>>
>> Rob Davies  wrote:  could you try the latest
>> snapshot: http://cvs.apache.org/repository/
>> incubator-activemq/distributions/  - I've only started  ActiveMQ 4.0
>> has only started in the past week :)
>>
>> On 23 Apr 2006, at 08:06, reza aliakbary wrote:
>>
>>> Dear James, I also tested with RC2 but it is still slow. We are
>>> interested of the features you provided in version 4.0 but we
>>> don't  want to loose performance. I hope you would reach to the
>>> performance of  3.2.2 in next releases of 4.0 .
>>>
>>>   Cheers,
>>>   Reza
>>>
>>>
>>> James Strachan  wrote:  Which version of
>>> 4.0 are you testing? FWIW we've only recently started
>>> tuning 4.x heavily, certainly SVN HEAD is looking quite good.
>>>
>>>
>>> On 4/22/06, reza aliakbary  wrote:
>>>> Hello,
>>>>
>>>>  I used a simple benchmark to compare the performance of 3.2.2 vs
>>>> 4.0 . I
>>>> suprised why 3.2.2 performs very better than 4.0, I thought I
>>>> could be wrong
>>>> or maybe my configuration has a problem but I couldn't find
>>>> anything bad in
>>>> configurations(I used default and without persistency). I have
>>>> attached
>>>> codes that I used. Please let me know why 3.2.2 performs better
>>>> than 4.0.
>>>> The benchmark works with a queue asynchronously.
>>>>  Run the consumer to register consumers and them run the producer.
>>>>
>>>>  Best Regards,
>>>>  Reza
>>>>
>>>>
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>>>
>>>
>>> --
>>>
>>> James
>>> -------
>>> http://radio.weblogs.com/0112098/
>>>
>>>
>>>
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>
>
> 		
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