事件:'online'
🌐 Event: 'online'
类似于 cluster.on('online') 事件,但特定于此工作进程。
🌐 Similar to the cluster.on('online') event, but specific to this worker.
cluster.fork().on('online', () => {
// Worker is online
}); 它不会在工作进程中触发。
🌐 It is not emitted in the worker.