Ruifeng Zheng created SPARK-61229:
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Summary: Support native KMeans training and prediction in the Rust
client
Key: SPARK-61229
URL: https://issues.apache.org/jira/browse/SPARK-61229
Project: Spark
Issue Type: New Feature
Components: Connect
Affects Versions: connect-rust-4.3.0
Reporter: Ruifeng Zheng
Add a native KMeans estimator and fitted model using the Spark Connect ML Fit
command and cached model reference. Expose all 12 constructor parameter setters
in Rust and the Python binding. Validate held-out cluster memberships,
separately trained models, sample weights, seed reproducibility, Euclidean and
cosine distance, row and block solvers, invalid inputs and session isolation
against Spark 4.3.0 and official PySpark.
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