feat: add average and median to pool info runTime and waitTime
[poolifier.git] / src / pools / selection-strategies / least-elu-worker-choice-strategy.ts
index 35ab69d0ca38595c2f81be566a0b7352bf900e4e..54d0e7cb054de064d8f9dfbfe074df5f1ba5bbf6 100644 (file)
@@ -1,4 +1,7 @@
-import { DEFAULT_WORKER_CHOICE_STRATEGY_OPTIONS } from '../../utils'
+import {
+  DEFAULT_MEASUREMENT_STATISTICS_REQUIREMENTS,
+  DEFAULT_WORKER_CHOICE_STRATEGY_OPTIONS
+} from '../../utils'
 import type { IPool } from '../pool'
 import type { IWorker } from '../worker'
 import { AbstractWorkerChoiceStrategy } from './abstract-worker-choice-strategy'
@@ -12,8 +15,8 @@ import type {
  * Selects the worker with the least ELU.
  *
  * @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 LeastEluWorkerChoiceStrategy<
     Worker extends IWorker,
@@ -24,16 +27,8 @@ export class LeastEluWorkerChoiceStrategy<
   implements IWorkerChoiceStrategy {
   /** @inheritDoc */
   public readonly taskStatisticsRequirements: TaskStatisticsRequirements = {
-    runTime: {
-      aggregate: false,
-      average: false,
-      median: false
-    },
-    waitTime: {
-      aggregate: false,
-      average: false,
-      median: false
-    },
+    runTime: DEFAULT_MEASUREMENT_STATISTICS_REQUIREMENTS,
+    waitTime: DEFAULT_MEASUREMENT_STATISTICS_REQUIREMENTS,
     elu: {
       aggregate: true,
       average: false,
@@ -63,18 +58,18 @@ export class LeastEluWorkerChoiceStrategy<
   /** @inheritDoc */
   public choose (): number {
     let minWorkerElu = Infinity
-    let leastEluWorkerNodeKey!: number
     for (const [workerNodeKey, workerNode] of this.pool.workerNodes.entries()) {
-      const workerUsage = workerNode.workerUsage
-      const workerElu = workerUsage.elu?.active.aggregate ?? 0
+      const workerUsage = workerNode.usage
+      const workerElu = workerUsage.elu?.active?.aggregate ?? 0
       if (workerElu === 0) {
-        return workerNodeKey
+        this.nextWorkerNodeId = workerNodeKey
+        break
       } else if (workerElu < minWorkerElu) {
         minWorkerElu = workerElu
-        leastEluWorkerNodeKey = workerNodeKey
+        this.nextWorkerNodeId = workerNodeKey
       }
     }
-    return leastEluWorkerNodeKey
+    return this.nextWorkerNodeId
   }
 
   /** @inheritDoc */