X-Git-Url: https://git.piment-noir.org/?a=blobdiff_plain;f=src%2Fpools%2Fselection-strategies%2Finterleaved-weighted-round-robin-worker-choice-strategy.ts;h=b1abe98772d88ce295b17aa6be653a332dd11b04;hb=b358c8aca5934f7d5dc4bd234d1909ba13850ea9;hp=ca5b7db9d914d0531fade68eccac9fc7d614bf11;hpb=619f403be01e2954cef4c490f76240b192f16276;p=poolifier.git diff --git a/src/pools/selection-strategies/interleaved-weighted-round-robin-worker-choice-strategy.ts b/src/pools/selection-strategies/interleaved-weighted-round-robin-worker-choice-strategy.ts index ca5b7db9..b1abe987 100644 --- a/src/pools/selection-strategies/interleaved-weighted-round-robin-worker-choice-strategy.ts +++ b/src/pools/selection-strategies/interleaved-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 an interleaved weighted round robin scheduling algorithm. @@ -39,11 +36,7 @@ export class InterleavedWeightedRoundRobinWorkerChoiceStrategy< /** * Round id. */ - private roundId: number = 0 - /** - * Default worker weight. - */ - private readonly defaultWorkerWeight: number + private roundId = 0 /** * Round weights. */ @@ -51,20 +44,19 @@ export class InterleavedWeightedRoundRobinWorkerChoiceStrategy< /** * Worker node id. */ - private workerNodeId: number = 0 + private workerNodeId = 0 /** - * Worker virtual task runtime. + * Worker node 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() this.roundWeights = this.getRoundWeights() } @@ -73,7 +65,7 @@ export class InterleavedWeightedRoundRobinWorkerChoiceStrategy< this.resetWorkerNodeKeyProperties() this.roundId = 0 this.workerNodeId = 0 - this.workerVirtualTaskRunTime = 0 + this.workerNodeVirtualTaskRunTime = 0 return true } @@ -96,26 +88,23 @@ export class InterleavedWeightedRoundRobinWorkerChoiceStrategy< workerNodeKey++ ) { this.workerNodeId = workerNodeKey - if (!this.isWorkerNodeEligible(workerNodeKey)) { - continue - } if ( this.workerNodeId !== this.nextWorkerNodeKey && - this.workerVirtualTaskRunTime !== 0 + this.workerNodeVirtualTaskRunTime !== 0 ) { - this.workerVirtualTaskRunTime = 0 + this.workerNodeVirtualTaskRunTime = 0 } - const workerWeight = - this.opts.weights?.[workerNodeKey] ?? this.defaultWorkerWeight + // eslint-disable-next-line @typescript-eslint/no-non-null-assertion + const workerWeight = this.opts!.weights![workerNodeKey] if ( + this.isWorkerNodeReady(workerNodeKey) && workerWeight >= this.roundWeights[roundIndex] && - this.workerVirtualTaskRunTime < workerWeight + this.workerNodeVirtualTaskRunTime < workerWeight ) { - this.workerVirtualTaskRunTime = - this.workerVirtualTaskRunTime + - this.getWorkerTaskRunTime(workerNodeKey) - this.previousWorkerNodeKey = - this.nextWorkerNodeKey ?? this.previousWorkerNodeKey + this.workerNodeVirtualTaskRunTime = + this.workerNodeVirtualTaskRunTime + + this.getWorkerNodeTaskRunTime(workerNodeKey) + this.setPreviousWorkerNodeKey(this.nextWorkerNodeKey) this.nextWorkerNodeKey = workerNodeKey return this.nextWorkerNodeKey } @@ -125,7 +114,9 @@ export class InterleavedWeightedRoundRobinWorkerChoiceStrategy< } private interleavedWeightedRoundRobinNextWorkerNodeId (): void { - if ( + if (this.pool.workerNodes.length === 0) { + this.workerNodeId = 0 + } else if ( this.roundId === this.roundWeights.length - 1 && this.workerNodeId === this.pool.workerNodes.length - 1 ) { @@ -141,32 +132,38 @@ export class InterleavedWeightedRoundRobinWorkerChoiceStrategy< /** @inheritDoc */ public remove (workerNodeKey: number): boolean { - if (this.nextWorkerNodeKey === workerNodeKey) { - if (this.pool.workerNodes.length === 0) { - this.nextWorkerNodeKey = 0 - } else if (this.nextWorkerNodeKey > this.pool.workerNodes.length - 1) { - this.roundId = - this.roundId === this.roundWeights.length - 1 ? 0 : this.roundId + 1 - this.nextWorkerNodeKey = this.pool.workerNodes.length - 1 - } - this.workerVirtualTaskRunTime = 0 + if (this.pool.workerNodes.length === 0) { + this.resetWorkerNodeKeyProperties() + this.workerNodeId = 0 + this.workerNodeVirtualTaskRunTime = 0 + return true + } + if ( + this.workerNodeId === workerNodeKey && + this.workerNodeId > this.pool.workerNodes.length - 1 + ) { + this.workerNodeId = this.pool.workerNodes.length - 1 + } + if ( + this.previousWorkerNodeKey === workerNodeKey && + this.previousWorkerNodeKey > this.pool.workerNodes.length - 1 + ) { + this.previousWorkerNodeKey = this.pool.workerNodes.length - 1 } return true } /** @inheritDoc */ - public setOptions (opts: WorkerChoiceStrategyOptions): void { + public setOptions (opts: WorkerChoiceStrategyOptions | undefined): void { super.setOptions(opts) this.roundWeights = this.getRoundWeights() } private getRoundWeights (): number[] { - if (this.opts.weights == null) { - return [this.defaultWorkerWeight] - } return [ ...new Set( - Object.values(this.opts.weights) + // eslint-disable-next-line @typescript-eslint/no-non-null-assertion + Object.values(this.opts!.weights!) .slice() .sort((a, b) => a - b) )