+
+ private leastUsedNextWorkerNodeKey (): number | undefined {
+ let minNumberOfTasks = Infinity
+ let chosenWorkerNodeKey: number | undefined
+ for (const [workerNodeKey, workerNode] of this.pool.workerNodes.entries()) {
+ const workerTaskStatistics = workerNode.usage.tasks
+ const workerTasks =
+ workerTaskStatistics.executed +
+ workerTaskStatistics.executing +
+ workerTaskStatistics.queued
+ if (this.isWorkerNodeEligible(workerNodeKey) && workerTasks === 0) {
+ chosenWorkerNodeKey = workerNodeKey
+ break
+ } else if (
+ this.isWorkerNodeEligible(workerNodeKey) &&
+ workerTasks < minNumberOfTasks
+ ) {
+ minNumberOfTasks = workerTasks
+ chosenWorkerNodeKey = workerNodeKey
+ }
+ }
+ return chosenWorkerNodeKey
+ }