Learn About Download Docs Contribute Courses

Node.js version

Navigation

.select-P04{display:none!important}Navigation

cluster.isMaster

API Documentation

About this documentation Usage and example Assert Async hooks Asynchronous context tracking Buffer C++ addons C++ embedder API Child process Cluster How it works Worker 'disconnect''exit''fork''listening''message''online''setup'cluster.disconnect cluster.fork cluster.isMaster cluster.isPrimary cluster.isWorker cluster.schedulingPolicy cluster.settings cluster.setupMaster cluster.setupPrimary cluster.worker cluster.workers Command-line API Console Crypto Debugger Deprecated APIs Diagnostic report Diagnostics Channel DNS Domain Environment Variables Errors Events FFI File system Global objects HTTP HTTP/2 HTTPS Inspector Internationalization support Iterable Streams Modules: node:module API Modules: CommonJS modules Modules: ECMAScript modules Modules: Packages Modules: TypeScript Net Node-API OS Path Performance measurement APIs Permissions Process Punycode Query string Readline REPL Single executable applications SQLite Stream String decoder Test runner Timers TLS (SSL)Trace events TTY UDP/datagram sockets URL Util V8 Virtual File System VM (executing JavaScript)Web Crypto API Web Streams API WebAssembly System Interface (WASI)Worker threads Zlib

API Documentation

On this page

P

cluster.isMaster

History

Added in: v0.8.1

v0.8.1

Deprecated in: v16.0.0

v16.0.0

Introduced in: v0.10.0

v0.10.0

Stability: 0Deprecated

Deprecated alias for cluster.isPrimary.

Previouscluster.fork Nextcluster.isPrimary

Added In

v0.8.1

Part Of

View As

JSON
MD

Contribute