X-Git-Url: https://git.piment-noir.org/?a=blobdiff_plain;f=src%2Fpools%2Fselection-strategies%2Fleast-used-worker-choice-strategy.ts;h=515b4e935db6e33fd5f3946c4f1b7cb0eb52a5f0;hb=f6bc9f26d8a0246bbee14b2b03d0bcc41b8aeb52;hp=4161a1d266634518c5800d57a421acb46b690fe6;hpb=932fc8be063cc15b543ad14c2ab6df0fa4224fba;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 4161a1d2..515b4e93 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, @@ -41,31 +41,37 @@ export class LeastUsedWorkerChoiceStrategy< } /** @inheritDoc */ - public choose (): number { - const freeWorkerNodeKey = this.findFreeWorkerNodeKey() - if (freeWorkerNodeKey !== -1) { - return freeWorkerNodeKey - } + public choose (): number | undefined { + const chosenWorkerNodeKey = this.leastUsedNextWorkerNodeKey() + this.assignChosenWorkerNodeKey(chosenWorkerNodeKey) + return this.nextWorkerNodeKey + } + + /** @inheritDoc */ + public remove (): boolean { + return true + } + + private leastUsedNextWorkerNodeKey (): number | undefined { let minNumberOfTasks = Infinity - let leastUsedWorkerNodeKey!: number + let chosenWorkerNodeKey: number | undefined for (const [workerNodeKey, workerNode] of this.pool.workerNodes.entries()) { - const workerTaskStatistics = workerNode.workerUsage.tasks + const workerTaskStatistics = workerNode.usage.tasks const workerTasks = workerTaskStatistics.executed + workerTaskStatistics.executing + workerTaskStatistics.queued - if (workerTasks === 0) { - return workerNodeKey - } else if (workerTasks < minNumberOfTasks) { + if (this.isWorkerNodeEligible(workerNodeKey) && workerTasks === 0) { + chosenWorkerNodeKey = workerNodeKey + break + } else if ( + this.isWorkerNodeEligible(workerNodeKey) && + workerTasks < minNumberOfTasks + ) { minNumberOfTasks = workerTasks - leastUsedWorkerNodeKey = workerNodeKey + chosenWorkerNodeKey = workerNodeKey } } - return leastUsedWorkerNodeKey - } - - /** @inheritDoc */ - public remove (): boolean { - return true + return chosenWorkerNodeKey } }