+ return cluster.isPrimary
+ }
+
+ /** @inheritDoc */
+ protected async destroyWorkerNode (workerNodeKey: number): Promise<void> {
+ this.flushTasksQueue(workerNodeKey)
+ // FIXME: wait for tasks to be finished
+ const worker = this.workerNodes[workerNodeKey].worker
+ const workerExitPromise = new Promise<void>(resolve => {
+ worker.on('exit', () => {
+ resolve()
+ })
+ })
+ worker.on('disconnect', () => {
+ worker.kill()
+ })
+ this.sendToWorker(workerNodeKey, { kill: true, workerId: worker.id })
+ worker.disconnect()
+ await workerExitPromise