Github user asfgit closed the pull request at:
https://github.com/apache/spark/pull/13881
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GitHub user smurching opened a pull request:
https://github.com/apache/spark/pull/13881
[SPARK-3723] [MLlib] Adding instrumentation to random forests
## What changes were proposed in this pull request?
In RandomForest.run(), added instrumentation for the number of node
