worker.id


每个新的工作进程都被赋予了自己唯一的 id,此 id 存储在 id.

当工作进程存活时,这是在 cluster.workers 中索引它的键。

Each new worker is given its own unique id, this id is stored in the id.

While a worker is alive, this is the key that indexes it in cluster.workers.