X-Git-Url: https://git.piment-noir.org/?a=blobdiff_plain;f=src%2Fpools%2Fselection-strategies%2Fleast-busy-worker-choice-strategy.ts;h=14aee44f97a090f5270fa23d41389e32f0c5ee8d;hb=f59e102739e13698f278f1d9d58ab26ed8150442;hp=05caa42a0149ebc7dc29ef76edc3a025e8b24c2c;hpb=e4543b1428fd6b52f5832ea75f21ac082b52684e;p=poolifier.git

diff --git a/src/pools/selection-strategies/least-busy-worker-choice-strategy.ts b/src/pools/selection-strategies/least-busy-worker-choice-strategy.ts
index 05caa42a..14aee44f 100644
--- a/src/pools/selection-strategies/least-busy-worker-choice-strategy.ts
+++ b/src/pools/selection-strategies/least-busy-worker-choice-strategy.ts
@@ -1,10 +1,13 @@
-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'
 import type {
   IWorkerChoiceStrategy,
-  RequiredStatistics,
+  TaskStatisticsRequirements,
   WorkerChoiceStrategyOptions
 } from './selection-strategies-types'
 
@@ -12,8 +15,8 @@ import type {
  * Selects the least busy worker.
  *
  * @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 LeastBusyWorkerChoiceStrategy<
     Worker extends IWorker,
@@ -23,10 +26,18 @@ export class LeastBusyWorkerChoiceStrategy<
   extends AbstractWorkerChoiceStrategy<Worker, Data, Response>
   implements IWorkerChoiceStrategy {
   /** @inheritDoc */
-  public readonly requiredStatistics: RequiredStatistics = {
-    runTime: true,
-    avgRunTime: false,
-    medRunTime: false
+  public readonly taskStatisticsRequirements: TaskStatisticsRequirements = {
+    runTime: {
+      aggregate: true,
+      average: false,
+      median: false
+    },
+    waitTime: {
+      aggregate: true,
+      average: false,
+      median: false
+    },
+    elu: DEFAULT_MEASUREMENT_STATISTICS_REQUIREMENTS
   }
 
   /** @inheritDoc */
@@ -35,7 +46,7 @@ export class LeastBusyWorkerChoiceStrategy<
     opts: WorkerChoiceStrategyOptions = DEFAULT_WORKER_CHOICE_STRATEGY_OPTIONS
   ) {
     super(pool, opts)
-    this.setRequiredStatistics(this.opts)
+    this.setTaskStatisticsRequirements(this.opts)
   }
 
   /** @inheritDoc */
@@ -50,22 +61,19 @@ export class LeastBusyWorkerChoiceStrategy<
 
   /** @inheritDoc */
   public choose (): number {
-    const freeWorkerNodeKey = this.findFreeWorkerNodeKey()
-    if (freeWorkerNodeKey !== -1) {
-      return freeWorkerNodeKey
-    }
-    let minRunTime = Infinity
-    let leastBusyWorkerNodeKey!: number
+    let minTime = Infinity
     for (const [workerNodeKey, workerNode] of this.pool.workerNodes.entries()) {
-      const workerRunTime = workerNode.tasksUsage.runTime
-      if (workerRunTime === 0) {
-        return workerNodeKey
-      } else if (workerRunTime < minRunTime) {
-        minRunTime = workerRunTime
-        leastBusyWorkerNodeKey = workerNodeKey
+      const workerTime =
+        workerNode.usage.runTime.aggregate + workerNode.usage.waitTime.aggregate
+      if (workerTime === 0) {
+        this.nextWorkerNodeId = workerNodeKey
+        break
+      } else if (workerTime < minTime) {
+        minTime = workerTime
+        this.nextWorkerNodeId = workerNodeKey
       }
     }
-    return leastBusyWorkerNodeKey
+    return this.nextWorkerNodeId
   }
 
   /** @inheritDoc */