import type { IWorker } from '../worker'
import type { IPool } from '../pool'
-import { DEFAULT_WORKER_CHOICE_STRATEGY_OPTIONS } from '../../utils'
+import {
+ DEFAULT_MEASUREMENT_STATISTICS_REQUIREMENTS,
+ DEFAULT_WORKER_CHOICE_STRATEGY_OPTIONS
+} from '../../utils'
import { AbstractWorkerChoiceStrategy } from './abstract-worker-choice-strategy'
import type {
IWorkerChoiceStrategy,
* 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 serializable data.
- * @typeParam Response - Type of execution response. This can only be serializable data.
+ * @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.
*/
export class WeightedRoundRobinWorkerChoiceStrategy<
Worker extends IWorker,
average: true,
median: false
},
- waitTime: {
- aggregate: false,
- average: false,
- median: false
- },
- elu: {
- aggregate: false,
- average: false,
- median: false
- }
+ waitTime: DEFAULT_MEASUREMENT_STATISTICS_REQUIREMENTS,
+ elu: DEFAULT_MEASUREMENT_STATISTICS_REQUIREMENTS
}
- /**
- * Worker node id where the current task will be submitted.
- */
- private currentWorkerNodeId: number = 0
/**
* Default worker weight.
*/
/** @inheritDoc */
public reset (): boolean {
- this.currentWorkerNodeId = 0
+ this.nextWorkerNodeId = 0
this.workerVirtualTaskRunTime = 0
return true
}
/** @inheritDoc */
public choose (): number {
- const chosenWorkerNodeKey = this.currentWorkerNodeId
+ const chosenWorkerNodeKey = this.nextWorkerNodeId
const workerVirtualTaskRunTime = this.workerVirtualTaskRunTime
const workerWeight =
this.opts.weights?.[chosenWorkerNodeKey] ?? this.defaultWorkerWeight
workerVirtualTaskRunTime +
this.getWorkerTaskRunTime(chosenWorkerNodeKey)
} else {
- this.currentWorkerNodeId =
- this.currentWorkerNodeId === this.pool.workerNodes.length - 1
+ this.nextWorkerNodeId =
+ this.nextWorkerNodeId === this.pool.workerNodes.length - 1
? 0
- : this.currentWorkerNodeId + 1
+ : this.nextWorkerNodeId + 1
this.workerVirtualTaskRunTime = 0
}
return chosenWorkerNodeKey
/** @inheritDoc */
public remove (workerNodeKey: number): boolean {
- if (this.currentWorkerNodeId === workerNodeKey) {
+ if (this.nextWorkerNodeId === workerNodeKey) {
if (this.pool.workerNodes.length === 0) {
- this.currentWorkerNodeId = 0
- } else if (this.currentWorkerNodeId > this.pool.workerNodes.length - 1) {
- this.currentWorkerNodeId = this.pool.workerNodes.length - 1
+ this.nextWorkerNodeId = 0
+ } else if (this.nextWorkerNodeId > this.pool.workerNodes.length - 1) {
+ this.nextWorkerNodeId = this.pool.workerNodes.length - 1
}
this.workerVirtualTaskRunTime = 0
}