Yicong-Huang commented on code in PR #3550:
URL: https://github.com/apache/texera/pull/3550#discussion_r2287071985
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core/amber/src/main/scala/edu/uci/ics/amber/engine/architecture/scheduling/CostEstimator.scala:
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@@ -73,14 +85,21 @@ class DefaultCostEstimator(
case Some(_) =>
}
- override def estimate(region: Region, resourceUnits: Int): Double = {
- this.operatorEstimatedTimeOption match {
+ override def allocateResourcesAndEstimateCost(
+ region: Region,
+ resourceUnits: Int
+ ): (Region, Double) = {
+ // Currently the dummy cost from resourceAllocator is discarded.
+ val (newRegion, _) = resourceAllocator.allocate(region)
Review Comment:
when we use the estimated cost from the resource allocator, what does cost
estimator do? is it just a wrapper?
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