[rabbitmq-discuss] can I create multiple channel for multiple thread work?

sam_mis sameek at arosys.com
Mon Mar 7 03:39:59 GMT 2011


I am using rabbitmq-java-client-2.0.0.

Gavin M. Roy-3 wrote:
> 
> What client library are you using?
> 
> On Mar 4, 2011, at 7:25 AM, sam_mis <sameek at arosys.com> wrote:
> 
>> 
>> I have some doubt when the threads are reading messages from a queue.i
>> want
>> to make it sure that one message is will be read by only one thread not
>> twice again.Is it required  some other configuration ?
>> 
>> Thanks 
>> 
>> 
>> 
>> Rob Harrop-5 wrote:
>>> 
>>> Creating a single connection and having ~25 channels will be perfectly 
>>> fine.
>>> 
>>> I recommend using QueueingConsumer for each of the consumers on these 
>>> channels to prevent any possible deadlock problems.
>>> 
>>> Setting channel.basicQos(1) will mean that your consumers get 
>>> approximately fair distribution of the work, but you should ensure that 
>>> you are using autoAck=false when setting up the consumer otherwise QoS 
>>> settings are ignored.
>>> 
>>> Rob
>>> 
>>> On 04/03/11 05:51, sam_mis wrote:
>>>> Hi All
>>>> 
>>>> I have a problem/doubt with a rabbit queue .i used only one AMQP
>>>> connection
>>>> and create the no. channels in respect to no. of thread.I need that 25
>>>> threads consume one rabbit queue.my publisher can put message onto the
>>>> queue
>>>> and my thread consumer are listen the queue and do some processing on
>>>> message and again publish the process message into another queue,after
>>>> completion the above process he acknowledge.also i am using the
>>>> channel.basicQos(1), one thread can get only one message until it
>>>> not  acknowledge.
>>>> it is correct way to do that?
>>> 
>>> _______________________________________________
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>>> 
>>> 
>> 
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