X-Git-Url: https://git.piment-noir.org/?a=blobdiff_plain;f=src%2Fpools%2Fselection-strategies%2Fweighted-round-robin-worker-choice-strategy.ts;h=ffd4fc39ca2a99fbb9f74044892e0949653d5c42;hb=refs%2Fheads%2Fmaster;hp=fea72350ffafbb50b44f9a56935f17038952ef91;hpb=26ce26ca8861318068427cc86697103e7a3ddbf4;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 fea72350..ffd4fc39 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 @@ -1,17 +1,16 @@ -import type { IWorker } from '../worker' -import type { IPool } from '../pool' -import { DEFAULT_MEASUREMENT_STATISTICS_REQUIREMENTS } 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, - InternalWorkerChoiceStrategyOptions, - TaskStatisticsRequirements -} from './selection-strategies-types' + TaskStatisticsRequirements, + WorkerChoiceStrategyOptions, +} from './selection-strategies-types.js' /** * Selects the next worker with a weighted round robin scheduling algorithm. * Loosely modeled after the weighted round robin queueing algorithm: https://en.wikipedia.org/wiki/Weighted_round_robin. - * * @typeParam Worker - Type of worker which manages the strategy. * @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. @@ -28,35 +27,34 @@ export class WeightedRoundRobinWorkerChoiceStrategy< runTime: { aggregate: true, average: true, - median: false + median: false, }, - waitTime: DEFAULT_MEASUREMENT_STATISTICS_REQUIREMENTS, - elu: 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 node virtual task runtime. - */ - private workerNodeVirtualTaskRunTime: number = 0 + private workerNodeVirtualTaskExecutionTime = 0 /** @inheritDoc */ public constructor ( pool: IPool, - opts: InternalWorkerChoiceStrategyOptions + opts?: WorkerChoiceStrategyOptions ) { super(pool, opts) this.setTaskStatisticsRequirements(this.opts) - this.defaultWorkerWeight = this.computeDefaultWorkerWeight() } /** @inheritDoc */ public reset (): boolean { this.resetWorkerNodeKeyProperties() - this.workerNodeVirtualTaskRunTime = 0 + this.workerNodeVirtualTaskExecutionTime = 0 return true } @@ -69,7 +67,7 @@ export class WeightedRoundRobinWorkerChoiceStrategy< public choose (): number | undefined { this.setPreviousWorkerNodeKey(this.nextWorkerNodeKey) this.weightedRoundRobinNextWorkerNodeKey() - this.checkNextWorkerNodeReadiness() + this.checkNextWorkerNodeKey() return this.nextWorkerNodeKey } @@ -77,9 +75,10 @@ export class WeightedRoundRobinWorkerChoiceStrategy< public remove (workerNodeKey: number): boolean { if (this.pool.workerNodes.length === 0) { this.reset() + return true } if (this.nextWorkerNodeKey === workerNodeKey) { - this.workerNodeVirtualTaskRunTime = 0 + this.workerNodeVirtualTaskExecutionTime = 0 if (this.nextWorkerNodeKey > this.pool.workerNodes.length - 1) { this.nextWorkerNodeKey = this.pool.workerNodes.length - 1 } @@ -95,12 +94,13 @@ export class WeightedRoundRobinWorkerChoiceStrategy< private weightedRoundRobinNextWorkerNodeKey (): number | undefined { const workerWeight = - this.opts.weights?.[ - this.nextWorkerNodeKey ?? this.previousWorkerNodeKey - ] ?? this.defaultWorkerWeight - if (this.workerNodeVirtualTaskRunTime < workerWeight) { - this.workerNodeVirtualTaskRunTime = - this.workerNodeVirtualTaskRunTime + + // 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 ) @@ -109,7 +109,7 @@ export class WeightedRoundRobinWorkerChoiceStrategy< this.nextWorkerNodeKey === this.pool.workerNodes.length - 1 ? 0 : (this.nextWorkerNodeKey ?? this.previousWorkerNodeKey) + 1 - this.workerNodeVirtualTaskRunTime = 0 + this.workerNodeVirtualTaskExecutionTime = 0 } return this.nextWorkerNodeKey }