'rabbit mq .net core one consumer multiple queue best practice

ive questions about implementing rabbitmq with .net core :

  1. how to create one consumer for multiple queue and only open 1 connection using multiple channel? examples that ive found only explain how to consume 1 queue, i ve searched the internet for two days but cant find answer to these questions.

  2. in java we can set channelcache as you can see this image below the channel default is set to 25 , can someone explain what this channel cache do?, is there something similar with .net? [1]: https://i.stack.imgur.com/Asjwh.png

sorry for my bad english, if there are something unclear about the question,pls let me know



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