X-Git-Url: https://git.piment-noir.org/?a=blobdiff_plain;f=src%2Fpools%2Fselection-strategies%2Fleast-used-worker-choice-strategy.ts;h=910d10a3ac320db8f3feac42eb43293181a806d1;hb=9b1068374b1a52479b07e1e22b692289d5579237;hp=d9e3c20e1d56e951238cdbfc47ab2c4698ca999a;hpb=a788de39a01b042deb0707c2e92af99181b933d2;p=poolifier.git diff --git a/src/pools/selection-strategies/least-used-worker-choice-strategy.ts b/src/pools/selection-strategies/least-used-worker-choice-strategy.ts index d9e3c20e..910d10a3 100644 --- a/src/pools/selection-strategies/least-used-worker-choice-strategy.ts +++ b/src/pools/selection-strategies/least-used-worker-choice-strategy.ts @@ -11,8 +11,8 @@ import type { * Selects the least used worker. * * @typeParam Worker - Type of worker which manages the strategy. - * @typeParam Data - Type of data sent to the worker. This can only be serializable data. - * @typeParam Response - Type of execution response. This can only be serializable data. + * @typeParam Data - Type of data sent to the worker. This can only be structured-cloneable data. + * @typeParam Response - Type of execution response. This can only be structured-cloneable data. */ export class LeastUsedWorkerChoiceStrategy< Worker extends IWorker, @@ -27,7 +27,7 @@ export class LeastUsedWorkerChoiceStrategy< opts: WorkerChoiceStrategyOptions = DEFAULT_WORKER_CHOICE_STRATEGY_OPTIONS ) { super(pool, opts) - this.setTaskStatistics(this.opts) + this.setTaskStatisticsRequirements(this.opts) } /** @inheritDoc */ @@ -42,27 +42,33 @@ export class LeastUsedWorkerChoiceStrategy< /** @inheritDoc */ public choose (): number { - const freeWorkerNodeKey = this.findFreeWorkerNodeKey() - if (freeWorkerNodeKey !== -1) { - return freeWorkerNodeKey - } - let minNumberOfTasks = Infinity - let leastUsedWorkerNodeKey!: number - for (const [workerNodeKey, workerNode] of this.pool.workerNodes.entries()) { - const tasksUsage = workerNode.tasksUsage - const workerTasks = tasksUsage.ran + tasksUsage.running - if (workerTasks === 0) { - return workerNodeKey - } else if (workerTasks < minNumberOfTasks) { - minNumberOfTasks = workerTasks - leastUsedWorkerNodeKey = workerNodeKey - } - } - return leastUsedWorkerNodeKey + this.leastUsedNextWorkerNodeKey() + return this.nextWorkerNodeKey } /** @inheritDoc */ public remove (): boolean { return true } + + private leastUsedNextWorkerNodeKey (): void { + let minNumberOfTasks = Infinity + for (const [workerNodeKey, workerNode] of this.pool.workerNodes.entries()) { + const workerTaskStatistics = workerNode.usage.tasks + const workerTasks = + workerTaskStatistics.executed + + workerTaskStatistics.executing + + workerTaskStatistics.queued + if (this.isWorkerNodeReady(workerNodeKey) && workerTasks === 0) { + this.nextWorkerNodeKey = workerNodeKey + break + } else if ( + this.isWorkerNodeReady(workerNodeKey) && + workerTasks < minNumberOfTasks + ) { + minNumberOfTasks = workerTasks + this.nextWorkerNodeKey = workerNodeKey + } + } + } }