zhengruifeng created SPARK-22309:
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Summary: Remove unused param in
`LDAModel.getTopicDistributionMethod` & destory `nodeToFeaturesBc` in
RandomForest
Key: SPARK-22309
URL: https://issues.apache.org/jira/browse/SPARK-22309
Project: Spark
Issue Type: Improvement
Components: ML
Affects Versions: 2.3.0
Reporter: zhengruifeng
Priority: Minor
1, Param {{sc: SparkContext}} in {{LocalLDAModel.getTopicDistributionMethod}}
is redundant.
2, forgot to destory broadcasted object {{nodeToFeaturesBc}} in {{RandomForest}}
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