workers
A hash that stores the active worker objects, keyed by id
field. This makes it easy to loop through all the workers. It is only available in the primary process.
A worker is removed from cluster.workers
after the worker has disconnected and exited. The order between these two events cannot be determined in advance. However, it is guaranteed that the removal from the cluster.workers
list happens before the last 'disconnect'
or 'exit'
event is emitted.
import cluster from 'node:cluster';
for (const worker of Object.values(cluster.workers)) {
worker.send('big announcement to all workers');
}
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Since
v0.7.0