[Question]creating too many RocketMQ connections

[zscomehuyue]

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Question

A project will have many consumer groups, which will create a lot of clients (including pubs and subs), as well as many ClientGroupWrappers, producers (can they be shared?), consumers, and broadcasts (why do they need to be created? I don't need to);

[pandaapo]

To be honest, I don't fully grasp the situation described in this issue, but I still want to learn as much as possible. For instance, what does 'broadcasts' refer to?

[zscomehuyue]

1. 一个项目会很多的消费组，这样会创建很多的client（包含pub，sub），一个group创建一个ClientGroupWrapper，而一个ClientGroupWrapper，创建启动3个连接：proudcer（可以共享吗？），persistentMsgConsumer，broadCastMsgConsumer（为何需要创建那？我又不用）；而该group的sub类型是SubscriptionMode.CLUSTERING，并不需要broadCastMsgConsumer，但是默认还是创建了该连接；

[xwm1992]

1. 一个项目会很多的消费组，这样会创建很多的client（包含pub，sub），一个group创建一个ClientGroupWrapper，而一个ClientGroupWrapper，创建启动3个连接：proudcer（可以共享吗？），persistentMsgConsumer，broadCastMsgConsumer（为何需要创建那？我又不用）；而该group的sub类型是SubscriptionMode.CLUSTERING，并不需要broadCastMsgConsumer，但是默认还是创建了该连接；

1.目前是组代理的模式，一个组，共享一个rocketmq client 2.目前在做消费方建连的时候会初始化producer\persistConsumer\broadCastConsumer，是为了减少消费者的冷启动问题。

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