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