X-Git-Url: https://git.piment-noir.org/?a=blobdiff_plain;f=src%2Fpools%2Fselection-strategies%2Fweighted-round-robin-worker-choice-strategy.ts;h=f04847782f540e9edea4603b47afe4c70aa4e299;hb=b358c8aca5934f7d5dc4bd234d1909ba13850ea9;hp=42952fa2c3d08534ea08595080cfa2860693e6b6;hpb=baca80f7921f47ead05d194fb782a3e310f4ea41;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 42952fa2..f0484778 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. @@ -38,28 +35,23 @@ export class WeightedRoundRobinWorkerChoiceStrategy< } /** - * Default worker weight. + * Worker node virtual task runtime. */ - private readonly defaultWorkerWeight: number - /** - * Worker virtual task runtime. - */ - private workerVirtualTaskRunTime: number = 0 + private workerNodeVirtualTaskRunTime = 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.workerNodeVirtualTaskRunTime = 0 return true } @@ -71,31 +63,40 @@ 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) { - if (this.pool.workerNodes.length === 0) { - this.nextWorkerNodeKey = 0 - } else if (this.nextWorkerNodeKey > this.pool.workerNodes.length - 1) { + this.workerNodeVirtualTaskRunTime = 0 + if (this.nextWorkerNodeKey > this.pool.workerNodes.length - 1) { this.nextWorkerNodeKey = this.pool.workerNodes.length - 1 } - this.workerVirtualTaskRunTime = 0 + } + if ( + this.previousWorkerNodeKey === workerNodeKey && + this.previousWorkerNodeKey > this.pool.workerNodes.length - 1 + ) { + this.previousWorkerNodeKey = this.pool.workerNodes.length - 1 } return true } 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.workerNodeVirtualTaskRunTime < workerWeight) { + this.workerNodeVirtualTaskRunTime = + this.workerNodeVirtualTaskRunTime + + this.getWorkerNodeTaskRunTime( this.nextWorkerNodeKey ?? this.previousWorkerNodeKey ) } else { @@ -103,7 +104,7 @@ export class WeightedRoundRobinWorkerChoiceStrategy< this.nextWorkerNodeKey === this.pool.workerNodes.length - 1 ? 0 : (this.nextWorkerNodeKey ?? this.previousWorkerNodeKey) + 1 - this.workerVirtualTaskRunTime = 0 + this.workerNodeVirtualTaskRunTime = 0 } return this.nextWorkerNodeKey }