worker.id


每一个新衍生的工作进程都会被赋予自己独一无二的编号,这个编号就是储存在id里面。

当工作进程还存活时,id可以作为在cluster.workers中的索引。

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.