Jia Xu created SPARK-4303:
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Summary: [MLLIB] Use "Long" IDs instead of "Int" in ALS.Rating
class
Key: SPARK-4303
URL: https://issues.apache.org/jira/browse/SPARK-4303
Project: Spark
Issue Type: Improvement
Components: MLlib
Reporter: Jia Xu
In many big data recommendation applications, the IDs used are usually Long
type instead of Integer.
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