[ https://issues.apache.org/jira/browse/SPARK-4860?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Josh Rosen updated SPARK-4860: ------------------------------ Assignee: Ben Cook > Improve performance of sample() and takeSample() on SchemaRDD > -------------------------------------------------------------- > > Key: SPARK-4860 > URL: https://issues.apache.org/jira/browse/SPARK-4860 > Project: Spark > Issue Type: Improvement > Components: PySpark, SQL > Reporter: Davies Liu > Assignee: Ben Cook > Fix For: 1.3.0 > > > In SchemaRDD, all the rows are already serialized into Java objects, so it's > possible to call sample()/takeSample() of JavaSchemaRDD() in Python, which > will be much faster than the current approach (implemented in pure Python). -- 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