Github user WeichenXu123 commented on a diff in the pull request:
https://github.com/apache/spark/pull/14922#discussion_r77356253
--- Diff:
mllib/src/main/scala/org/apache/spark/ml/classification/LogisticRegression.scala
---
@@ -295,6 +295,13 @@ class LogisticRegression @Since("1.2.0") (
instr.logParams(regParam, elasticNetParam, standardization, threshold,
maxIter, tol, fitIntercept)
+ val autoAggregationDepth =
+ if ($(aggregationDepth) > 0) $(aggregationDepth)
+ else getAggregationDepthByFormula(
+ instances.context.getConf.getSizeAsBytes("spark.driver.memory",
"1g"),
--- End diff --
oh, that is because, when user not set "spark.driver.memory", spark will
set it as "1g" automatically,
but in such case `context.getConf.getSizeAsBytes("spark.driver.memory")`
will throw NoSuchElement exception. so I need to get the spark internal default
value `1g`, is there a better way?
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