import { AbstractWorkerChoiceStrategy } from './abstract-worker-choice-strategy'
import type {
IWorkerChoiceStrategy,
- TaskStatistics,
+ TaskStatisticsRequirements,
WorkerChoiceStrategyOptions
} from './selection-strategies-types'
extends AbstractWorkerChoiceStrategy<Worker, Data, Response>
implements IWorkerChoiceStrategy {
/** @inheritDoc */
- public readonly taskStatistics: TaskStatistics = {
- runTime: false,
- avgRunTime: true,
- medRunTime: false,
- waitTime: false,
- avgWaitTime: false,
- medWaitTime: false,
+ public readonly taskStatisticsRequirements: TaskStatisticsRequirements = {
+ runTime: {
+ aggregate: false,
+ average: false,
+ median: false
+ },
+ waitTime: {
+ aggregate: false,
+ average: false,
+ median: false
+ },
elu: true
}
opts: WorkerChoiceStrategyOptions = DEFAULT_WORKER_CHOICE_STRATEGY_OPTIONS
) {
super(pool, opts)
- this.setTaskStatistics(this.opts)
+ this.setTaskStatisticsRequirements(this.opts)
}
/** @inheritDoc */
/** @inheritDoc */
public choose (): number {
- // const freeWorkerNodeKey = this.findFreeWorkerNodeKey()
- // if (freeWorkerNodeKey !== -1) {
- // return freeWorkerNodeKey
- // }
- let minTasksElu = Infinity
+ let minWorkerElu = Infinity
let leastEluWorkerNodeKey!: number
for (const [workerNodeKey, workerNode] of this.pool.workerNodes.entries()) {
- const tasksUsage = workerNode.tasksUsage
- const tasksElu = tasksUsage.elu?.utilization ?? 0
- if (tasksElu === 0) {
+ const workerUsage = workerNode.workerUsage
+ const workerElu = workerUsage.elu?.active ?? 0
+ if (workerElu === 0) {
return workerNodeKey
- } else if (tasksElu < minTasksElu) {
- minTasksElu = tasksElu
+ } else if (workerElu < minWorkerElu) {
+ minWorkerElu = workerElu
leastEluWorkerNodeKey = workerNodeKey
}
}