zhengruifeng opened a new pull request #26803: [SPARK-30178][ML] RobustScaler support bigger numFeatures URL: https://github.com/apache/spark/pull/26803 ### What changes were proposed in this pull request? compute the medians/ranges more distributedly ### Why are the changes needed? In Spark-Shell with default params, I processed a dataset with numFeatures=69,200, and existing impl fail due to OOM. After this PR, it will sucessfuly fit the model. ### Does this PR introduce any user-facing change? No ### How was this patch tested? existing testsuites
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