also available is .sample(), which will randomly sample your RDD with or without replacement, and returns an RDD. .sample() takes a fraction, so it doesn't return an exact number of elements.
eg. rdd.sample(true, .0001, 1) -- View this message in context: http://apache-spark-user-list.1001560.n3.nabble.com/Does-filter-on-an-RDD-scan-every-data-item-tp20170p20290.html Sent from the Apache Spark User List mailing list archive at Nabble.com. --------------------------------------------------------------------- To unsubscribe, e-mail: user-unsubscr...@spark.apache.org For additional commands, e-mail: user-h...@spark.apache.org
