高级

A Namespace is a communication channel that allows you to split the logic of your application over a single shared connection (also called "multiplexing").

Since Socket.IO v2.0.0, it is now possible to provide your own parser, in order to control the marshalling / unmarshalling of packets.

The Socket.IO admin UI can be used to have an overview of the state of your Socket.IO deployment.

PM2 is a production process manager for Node.js applications with a built-in load balancer. It allows you to keep applications alive forever, to reload them without downtime and to facilitate common system admin tasks.

Since Socket.IO has its own protocol, including handshake, heartbeats and custom packet encoding, the easiest way to load test your Socket.IO server is to use the Socket.IO client library and create a lot of clients.

Here are some tips to improve the performance of your Socket.IO server: