[ https://issues.apache.org/jira/browse/SPARK-4303?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Jia Xu updated SPARK-4303: -------------------------- Description: In many big data recommendation applications, the IDs used for "users" and "products" are usually Long type instead of Integer. So a Rating class based on Long IDs should be more useful for these applications. case class Rating(val user: Long, val product: Long, val rating: Double) was:In many big data recommendation applications, the IDs used for "users" and "products" are usually Long type instead of Integer. > [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 for "users" and > "products" are usually Long type instead of Integer. So a Rating class based > on Long IDs should be more useful for these applications. > case class Rating(val user: Long, val product: Long, val rating: Double) -- This message was sent by Atlassian JIRA (v6.3.4#6332) --------------------------------------------------------------------- To unsubscribe, e-mail: issues-unsubscr...@spark.apache.org For additional commands, e-mail: issues-h...@spark.apache.org