X-Git-Url: https://git.piment-noir.org/?a=blobdiff_plain;f=src%2Fpools%2Fselection-strategies%2Fweighted-round-robin-worker-choice-strategy.ts;h=6ce55c9a2554c0e951d67b503642f800205b9805;hb=b3b1857ba11fd35d0f7118ef8046c38676473a15;hp=c87081a6161c82ab612d5aca2b37a49e6b1089b0;hpb=226b02a3e2b3619cbe967634ccd6ac7b5d450147;p=poolifier.git diff --git a/src/pools/selection-strategies/weighted-round-robin-worker-choice-strategy.ts b/src/pools/selection-strategies/weighted-round-robin-worker-choice-strategy.ts index c87081a6..6ce55c9a 100644 --- a/src/pools/selection-strategies/weighted-round-robin-worker-choice-strategy.ts +++ b/src/pools/selection-strategies/weighted-round-robin-worker-choice-strategy.ts @@ -1,15 +1,12 @@ -import type { IWorker } from '../worker' -import type { IPool } from '../pool' -import { - DEFAULT_MEASUREMENT_STATISTICS_REQUIREMENTS, - DEFAULT_WORKER_CHOICE_STRATEGY_OPTIONS -} from '../../utils' -import { AbstractWorkerChoiceStrategy } from './abstract-worker-choice-strategy' +import type { IPool } from '../pool.js' +import { DEFAULT_MEASUREMENT_STATISTICS_REQUIREMENTS } from '../utils.js' +import type { IWorker } from '../worker.js' +import { AbstractWorkerChoiceStrategy } from './abstract-worker-choice-strategy.js' import type { IWorkerChoiceStrategy, TaskStatisticsRequirements, WorkerChoiceStrategyOptions -} from './selection-strategies-types' +} from './selection-strategies-types.js' /** * Selects the next worker with a weighted round robin scheduling algorithm. @@ -33,33 +30,32 @@ export class WeightedRoundRobinWorkerChoiceStrategy< average: true, median: false }, - waitTime: DEFAULT_MEASUREMENT_STATISTICS_REQUIREMENTS, + waitTime: { + aggregate: true, + average: true, + median: false + }, elu: DEFAULT_MEASUREMENT_STATISTICS_REQUIREMENTS } /** - * Default worker weight. + * Worker node virtual execution time. */ - private readonly defaultWorkerWeight: number - /** - * Worker virtual task runtime. - */ - private workerVirtualTaskRunTime: number = 0 + private workerNodeVirtualTaskExecutionTime = 0 /** @inheritDoc */ public constructor ( pool: IPool, - opts: WorkerChoiceStrategyOptions = DEFAULT_WORKER_CHOICE_STRATEGY_OPTIONS + opts?: WorkerChoiceStrategyOptions ) { super(pool, opts) this.setTaskStatisticsRequirements(this.opts) - this.defaultWorkerWeight = this.computeDefaultWorkerWeight() } /** @inheritDoc */ public reset (): boolean { this.resetWorkerNodeKeyProperties() - this.workerVirtualTaskRunTime = 0 + this.workerNodeVirtualTaskExecutionTime = 0 return true } @@ -71,16 +67,22 @@ export class WeightedRoundRobinWorkerChoiceStrategy< /** @inheritDoc */ public choose (): number | undefined { this.setPreviousWorkerNodeKey(this.nextWorkerNodeKey) - return this.weightedRoundRobinNextWorkerNodeKey() + this.weightedRoundRobinNextWorkerNodeKey() + this.checkNextWorkerNodeKey() + return this.nextWorkerNodeKey } /** @inheritDoc */ public remove (workerNodeKey: number): boolean { if (this.pool.workerNodes.length === 0) { this.reset() + return true } if (this.nextWorkerNodeKey === workerNodeKey) { - this.workerVirtualTaskRunTime = 0 + this.workerNodeVirtualTaskExecutionTime = 0 + if (this.nextWorkerNodeKey > this.pool.workerNodes.length - 1) { + this.nextWorkerNodeKey = this.pool.workerNodes.length - 1 + } } if ( this.previousWorkerNodeKey === workerNodeKey && @@ -93,13 +95,14 @@ export class WeightedRoundRobinWorkerChoiceStrategy< private weightedRoundRobinNextWorkerNodeKey (): number | undefined { const workerWeight = - this.opts.weights?.[ - this.nextWorkerNodeKey ?? this.previousWorkerNodeKey - ] ?? this.defaultWorkerWeight - if (this.workerVirtualTaskRunTime < workerWeight) { - this.workerVirtualTaskRunTime = - this.workerVirtualTaskRunTime + - this.getWorkerTaskRunTime( + // eslint-disable-next-line @typescript-eslint/no-non-null-assertion + this.opts!.weights![this.nextWorkerNodeKey ?? this.previousWorkerNodeKey] + if (this.workerNodeVirtualTaskExecutionTime < workerWeight) { + this.workerNodeVirtualTaskExecutionTime += + this.getWorkerNodeTaskWaitTime( + this.nextWorkerNodeKey ?? this.previousWorkerNodeKey + ) + + this.getWorkerNodeTaskRunTime( this.nextWorkerNodeKey ?? this.previousWorkerNodeKey ) } else { @@ -107,7 +110,7 @@ export class WeightedRoundRobinWorkerChoiceStrategy< this.nextWorkerNodeKey === this.pool.workerNodes.length - 1 ? 0 : (this.nextWorkerNodeKey ?? this.previousWorkerNodeKey) + 1 - this.workerVirtualTaskRunTime = 0 + this.workerNodeVirtualTaskExecutionTime = 0 } return this.nextWorkerNodeKey }