WeichenXu123 commented on code in PR #50106:
URL: https://github.com/apache/spark/pull/50106#discussion_r1983079160
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mllib/src/main/scala/org/apache/spark/ml/classification/LogisticRegression.scala:
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@@ -1248,6 +1266,19 @@ class LogisticRegressionModel private[spark] (
}
}
+ private[spark] override def estimatedSize: Long = {
+ var size = this.estimateMatadataSize
+ if (this.coefficientMatrix != null) {
+ size += this.coefficientMatrix.getSizeInBytes
+ }
+ if (this.interceptVector != null) {
+ size += this.interceptVector.getSizeInBytes
+ }
+ size += java.lang.Integer.BYTES // numClasses
+ size += 1 // isMultinomial
+ size
Review Comment:
idea: can we just use `SizeEstimator` to estimate the model object size ?
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