kfaraz commented on code in PR #19646:
URL: https://github.com/apache/druid/pull/19646#discussion_r3505915608
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indexing-service/src/main/java/org/apache/druid/indexing/seekablestream/supervisor/autoscaler/WeightedCostFunction.java:
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@@ -53,27 +53,28 @@ public class WeightedCostFunction
/**
* Minimum rate of processing for any task in records per second. This is
used
* as a placeholder if avg rate is not available to ensure that cost
computations
- * do not return infinitely large lag recovery times.
+ * do not return infinitely large lag recovery times, at the expense of
underestimating the lag cost.
*/
- static final double MIN_PROCESSING_RATE = 1_000;
+ static final double MIN_PROCESSING_RATE = 5_000;
Review Comment:
In a future PR, I think we can remove the `MIN_PROCESSING_RATE` altogether
and maybe use the window `maxProcessingRate`, but I haven't fully thought it
through yet. It might have some unforeseen side effects.
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