+ this.popTask(workerNodeKey) as Task<Data>
+ )
+ }
+ }
+ }
+
+ private tasksStealingOnBackPressure (workerId: number): void {
+ const sourceWorkerNode =
+ this.workerNodes[this.getWorkerNodeKeyByWorkerId(workerId)]
+ const workerNodes = this.workerNodes
+ .filter((workerNode) => workerNode.info.id !== workerId)
+ .sort(
+ (workerNodeA, workerNodeB) =>
+ workerNodeA.usage.tasks.queued - workerNodeB.usage.tasks.queued
+ )
+ for (const [workerNodeKey, workerNode] of workerNodes.entries()) {
+ if (
+ workerNode.info.ready &&
+ sourceWorkerNode.usage.tasks.queued > 0 &&
+ !workerNode.hasBackPressure() &&
+ workerNode.usage.tasks.executing <
+ (this.opts.tasksQueueOptions?.concurrency as number)
+ ) {
+ this.executeTask(
+ workerNodeKey,
+ sourceWorkerNode.popTask() as Task<Data>
+ )
+ } else if (
+ workerNode.info.ready &&
+ sourceWorkerNode.usage.tasks.queued > 0 &&
+ !workerNode.hasBackPressure() &&
+ workerNode.usage.tasks.executing >=
+ (this.opts.tasksQueueOptions?.concurrency as number)
+ ) {
+ this.enqueueTask(
+ workerNodeKey,
+ sourceWorkerNode.popTask() as Task<Data>