+ private fairShareNextWorkerNodeKey (): number {
+ let minWorkerVirtualTaskEndTimestamp = Infinity
+ for (const [workerNodeKey] of this.pool.workerNodes.entries()) {
+ if (this.workersVirtualTaskEndTimestamp[workerNodeKey] == null) {
+ this.computeWorkerVirtualTaskEndTimestamp(workerNodeKey)
+ }
+ const workerVirtualTaskEndTimestamp =
+ this.workersVirtualTaskEndTimestamp[workerNodeKey]
+ if (
+ this.isWorkerNodeReady(workerNodeKey) &&
+ workerVirtualTaskEndTimestamp < minWorkerVirtualTaskEndTimestamp
+ ) {
+ minWorkerVirtualTaskEndTimestamp = workerVirtualTaskEndTimestamp
+ this.nextWorkerNodeKey = workerNodeKey
+ }
+ }
+ return this.nextWorkerNodeKey
+ }
+