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Gathering detailed insights and metrics for @socket.io/cluster-adapter

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Gathering detailed insights and metrics for @socket.io/cluster-adapter

@socket.io/cluster-adapter - 0.2.2 | npmpackage.info

@socket.io/cluster-adapter

The Socket.IO official cluster adapter, allowing to broadcast events between several Socket.IO servers.

0.2.2

MIT

TypeScript

25.21 kB

Installations

npm install @socket.io/cluster-adapter

Developer Guide

BETA

Typescript

Yes

Module System

CommonJS

Min. Node Version

>=10.0.0

Node Version

16.15.1

NPM Version

8.11.0 Pull Requests

Open

1

Total

2

Closed

1

Issues

Open

7

Total

14

Closed

7

Releases

0.2.2

Updated on Mar 24, 2023

0.2.1

Updated on Oct 13, 2022

0.2.0

Updated on Apr 28, 2022

0.1.0

Updated on Jun 22, 2021

View All 4 releases

Languages

TypeScript

JavaScript

TypeScript (83.32%)

JavaScript (16.68%)

Developer

socketio

Download Statistics

Total Downloads

Last Day

Last Week

Last Month

Last Year

GitHub Statistics

MIT License

18 Stars

14 Commits

12 Forks

3 Watchers

1 Branches

2 Contributors

Updated on May 16, 2025

Maintainers

View All 2 Contributors

Package Meta Information

Latest Version

0.2.2

Package Id

@socket.io/cluster-adapter@0.2.2

Unpacked Size

25.21 kB

Size

5.84 kB

File Count

NPM Version

8.11.0

Node Version

16.15.1

Published on

Mar 24, 2023

Total Downloads

Cumulative downloads

Total Downloads

NaN

Last Day

NaN

Compared to previous day

Last Week

NaN

Compared to previous week

Last Month

NaN

Compared to previous month

Last Year

NaN

Compared to previous year

Weekly Downloads

Monthly Downloads

Yearly Downloads

Socket.IO cluster adapter

The @socket.io/cluster-adapter package allows broadcasting packets between multiple Socket.IO servers.

Adapter diagram

It can be used in conjunction with @socket.io/sticky to broadcast packets between the workers of the same Node.js cluster.

Supported features:

Related packages:

Postgres adapter: https://github.com/socketio/socket.io-postgres-adapter/
Redis adapter: https://github.com/socketio/socket.io-redis-adapter/
MongoDB adapter: https://github.com/socketio/socket.io-mongo-adapter/

Table of contents

Installation
Usage
License

Installation

npm install @socket.io/cluster-adapter

Usage

1const cluster = require("cluster");
2const http = require("http");
3const { Server } = require("socket.io");
4const numCPUs = require("os").cpus().length;
5const { setupMaster, setupWorker } = require("@socket.io/sticky");
6const { createAdapter, setupPrimary } = require("@socket.io/cluster-adapter");
7
8if (cluster.isMaster) {
9  console.log(`Master ${process.pid} is running`);
10
11  const httpServer = http.createServer();
12
13  // setup sticky sessions
14  setupMaster(httpServer, {
15    loadBalancingMethod: "least-connection",
16  });
17
18  // setup connections between the workers
19  setupPrimary();
20
21  // needed for packets containing buffers (you can ignore it if you only send plaintext objects)
22  // Node.js < 16.0.0
23  cluster.setupMaster({
24    serialization: "advanced",
25  });
26  // Node.js > 16.0.0
27  // cluster.setupPrimary({
28  //   serialization: "advanced",
29  // });
30
31  httpServer.listen(3000);
32
33  for (let i = 0; i < numCPUs; i++) {
34    cluster.fork();
35  }
36
37  cluster.on("exit", (worker) => {
38    console.log(`Worker ${worker.process.pid} died`);
39    cluster.fork();
40  });
41} else {
42  console.log(`Worker ${process.pid} started`);
43
44  const httpServer = http.createServer();
45  const io = new Server(httpServer);
46
47  // use the cluster adapter
48  io.adapter(createAdapter());
49
50  // setup connection with the primary process
51  setupWorker(io);
52
53  io.on("connection", (socket) => {
54    /* ... */
55  });
56}

License

MIT

No vulnerabilities found.

10

Dangerous-Workflow

Determines if the project's GitHub Action workflows avoid dangerous patterns.

10

Binary-Artifacts

Determines if the project has generated executable (binary) artifacts in the source repository.

10

License

Determines if the project has defined a license.

3

Pinned-Dependencies

Determines if the project has declared and pinned the dependencies of its build process.

0

Maintained

Determines if the project is "actively maintained".

0

SAST

Determines if the project uses static code analysis.

0

Token-Permissions

Determines if the project's workflows follow the principle of least privilege.

0

Code-Review

Determines if the project requires human code review before pull requests (aka merge requests) are merged.

0

CII-Best-Practices

Determines if the project has an OpenSSF (formerly CII) Best Practices Badge.

0

Security-Policy

Determines if the project has published a security policy.

0

Fuzzing

Determines if the project uses fuzzing.

0

Vulnerabilities

Determines if the project has open, known unfixed vulnerabilities.

Score

3

/10

Last Scanned on 2025-07-07

The Open Source Security Foundation is a cross-industry collaboration to improve the security of open source software (OSS). The Scorecard provides security health metrics for open source projects.

Learn More

Other packages similar to @socket.io/cluster-adapter

Other packages similar to @socket.io/cluster-adapter

@socket.io/cluster-adapter

Installations

Developer Guide

Yes

CommonJS

>=10.0.0

16.15.1

8.11.0

Pull Requests

1

2

1

Issues

7

14

7

Releases

Languages

Developer

Download Statistics

GitHub Statistics

Maintainers

Package Meta Information

Total Downloads

NaN

Weekly Downloads

Monthly Downloads

Yearly Downloads

Dependencies

Peer Dependencies

Dev Dependencies

Socket.IO cluster adapter

Installation

Usage

License

10

10

10

3

0

0

0

0

0

0

0

0

3

/10