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README.md
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| im-common | 公共包 | |
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### 集群化方案 |
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### 集群化方案 |
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- 当消息的发送者和接收者连的不是同一个server时,消息是无法直接推送的,所以我们需要设计出能够支持跨节点推送的方案 |
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- 利用了redis的list类型数据实现消息推送,其中key为im:unread:${serverid},每个key的数据可以看做一个queue(或topic),每个im-server根据自己的serverid只消费属于自己的queue |
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- redis记录了每个用户的websocket连接的是哪个im-server,当用户发送消息时,im-platform将根据所连接的im-server的serverid,决定将消息推向哪个queue |
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#### 本地快速部署 |
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1.安装运行环境 |
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- 安装node:v14.16.0 |
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