Fly-Style commented on code in PR #18860:
URL: https://github.com/apache/druid/pull/18860#discussion_r2638992078
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indexing-service/src/main/java/org/apache/druid/indexing/seekablestream/supervisor/autoscaler/CostBasedAutoScaler.java:
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@@ -204,50 +218,54 @@ public int computeOptimalTaskCount(CostMetrics metrics)
return -1;
}
- // If idle is already in the ideal range [0.2, 0.6], optimal utilization
has been achieved.
- // No scaling is needed - maintain stability by staying at the current
task count.
- final double currentIdleRatio = metrics.getPollIdleRatio();
- if (currentIdleRatio >= 0 &&
WeightedCostFunction.isIdleInIdealRange(currentIdleRatio)) {
- log.debug(
- "Idle ratio [%.3f] is in ideal range for supervisorId [%s], no
scaling needed",
- currentIdleRatio,
- supervisorId
- );
- return -1;
- }
-
int optimalTaskCount = -1;
- double optimalCost = Double.POSITIVE_INFINITY;
+ Tuple3<Double, Double, Double> optimalCost = new
Tuple3<>(Double.POSITIVE_INFINITY,
Review Comment:
+
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