1.how to decide the number of task queue？static or dynamic according to the number of downloader nodes？ 2.do the EXCHANGE deliver message to multi-queue randomly？and what is the fetch mechanism in receive point？

The core idea in the messaging model in RabbitMQ is that the producer never sends any messages directly to a queue.

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added EXCHANGE to deliver

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> gyiang 写到： > deliver task message is chaos with 5 qyeue! 5 queues

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deliver task message is chaos with 5 qyeue!