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From "Jia Xu (JIRA)" <j...@apache.org>
Subject [jira] [Created] (SPARK-4303) [MLLIB] Use "Long" IDs instead of "Int" in ALS.Rating class
Date Fri, 07 Nov 2014 21:32:33 GMT
Jia Xu created SPARK-4303:
-----------------------------

             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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