X-Git-Url: https://git.piment-noir.org/?a=blobdiff_plain;f=src%2Fpools%2Fselection-strategies%2Fleast-used-worker-choice-strategy.ts;h=1f7033214d6a4735c3064df290acc2ce48cb3e72;hb=7c7bb28936c5de8829dba0794760498077d3ea90;hp=e8a7218e160879bcaa97399d78a3b39ff7857bc1;hpb=20016c79549983d09d30b70852ec7fae515d4156;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 e8a7218e..1f703321 100644 --- a/src/pools/selection-strategies/least-used-worker-choice-strategy.ts +++ b/src/pools/selection-strategies/least-used-worker-choice-strategy.ts @@ -4,6 +4,7 @@ import type { IWorker } from '../worker' import { AbstractWorkerChoiceStrategy } from './abstract-worker-choice-strategy' import type { IWorkerChoiceStrategy, + StrategyPolicy, WorkerChoiceStrategyOptions } from './selection-strategies-types' @@ -21,6 +22,12 @@ export class LeastUsedWorkerChoiceStrategy< > extends AbstractWorkerChoiceStrategy implements IWorkerChoiceStrategy { + /** @inheritDoc */ + public readonly strategyPolicy: StrategyPolicy = { + dynamicWorkerUsage: false, + dynamicWorkerReady: true + } + /** @inheritDoc */ public constructor ( pool: IPool, @@ -41,8 +48,10 @@ export class LeastUsedWorkerChoiceStrategy< } /** @inheritDoc */ - public choose (): number { - return this.leastUsedNextWorkerNodeKey() + public choose (): number | undefined { + const chosenWorkerNodeKey = this.leastUsedNextWorkerNodeKey() + this.assignChosenWorkerNodeKey(chosenWorkerNodeKey) + return this.nextWorkerNodeKey } /** @inheritDoc */ @@ -50,25 +59,26 @@ export class LeastUsedWorkerChoiceStrategy< return true } - private leastUsedNextWorkerNodeKey (): number { + 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.isWorkerNodeReady(workerNodeKey) && workerTasks === 0) { - this.nextWorkerNodeKey = workerNodeKey + if (this.isWorkerNodeEligible(workerNodeKey) && workerTasks === 0) { + chosenWorkerNodeKey = workerNodeKey break } else if ( - this.isWorkerNodeReady(workerNodeKey) && + this.isWorkerNodeEligible(workerNodeKey) && workerTasks < minNumberOfTasks ) { minNumberOfTasks = workerTasks - this.nextWorkerNodeKey = workerNodeKey + chosenWorkerNodeKey = workerNodeKey } } - return this.nextWorkerNodeKey + return chosenWorkerNodeKey } }