Amazon SQS offers short and long polling options for receiving messages from a queue. Consider your application's requirements for responsiveness and cost efficiency when choosing between these two polling options: Short polling (default) – The ReceiveMessage request queries a subset of servers (based...
客户端轮询:传统意义上的轮询(Short Polling) 服务器端轮询:长轮询(Long Polling/COMET) 全双工通信:Websocket 单向服务器推送:Server-Sent Events(SSE) 文中会以一个简易聊天室的例子来分别通过上述的四种方式实现,代码地址mini-chatroom(存在些许bug,主要是为了做演示用) 轮询(Short Polling) 轮询的实现原理:客户...
queue_type(string valued to'long-poll'or'short-poll', optional, defaults to'long-poll'): defines the way the SQS queue will be polled by the listener thread (long or short polling -- details below). region_name(string, optional, defaults to'eu-west-1'): AWS region the SQS queue bel...
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