Github user srowen commented on a diff in the pull request:
https://github.com/apache/spark/pull/15815#discussion_r88271244
--- Diff: core/src/main/scala/org/apache/spark/api/java/JavaRDD.scala ---
@@ -99,6 +99,8 @@ class JavaRDD[T](val rdd: RDD[T])(implicit val classTag:
ClassTag[T])
/**
* Return a sampled subset of this RDD.
+ * Note: this is NOT guaranteed to provide exactly the fraction of the
count
--- End diff --
There are a couple overloads of sample here; update them all and maybe
apply the clarification about seed you added below?
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