[rabbitmq-discuss] Consuming multiple messages at a time

Robert Raschke rtrlists at googlemail.com
Wed Jun 5 21:13:34 BST 2013

Isn't this what the prefetch count is all about?
On Jun 4, 2013 6:48 PM, "Vijay Lakshmi" <vijjivinay at gmail.com> wrote:

> Hi,
> We have an application where in for each client we create a Queue in
> RabbitMQ.
> (i.e. we create a binding with client id to a common exchange)
> So, all messages that are published with binding key as client id will go
> to that queue.
> There is only single client which subscribes to this Queue.
> The queue will get messages at the rate of 100 msgs/sec for example.
> RabbitMQ is sending only 1 message at a time to the consumer. Even if we
> set the prefetch count as higher value, the messages are delivered only one
> by one.
> The callback method in consumer can consume only single message.
> void *handleDelivery*(java.lang.String consumerTag,
>                     Envelope <http://www.rabbitmq.com/releases/rabbitmq-java-client/v3.1.1/rabbitmq-java-client-javadoc-3.1.1/com/rabbitmq/client/Envelope.html> envelope,
>                     AMQP.BasicProperties <http://www.rabbitmq.com/releases/rabbitmq-java-client/v3.1.1/rabbitmq-java-client-javadoc-3.1.1/com/rabbitmq/client/AMQP.BasicProperties.html> properties,
>                     byte[] body)
>                     throws java.io.IOException
> Is there a way in RabbitMQ where in we enable RabbitMQ to send mutiple
> messages to consumer at a time. In my case there is only one consumer per
> queue. So, by sending mutiple messages to consumer at a time will improve
> my performance.
> Can someone suggest how I can achieve this.
> If rabbitMQ does not support, is there any other way of achieving this.
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