Github user holdenk commented on a diff in the pull request:
https://github.com/apache/spark/pull/11578#discussion_r56611218
--- Diff:
core/src/main/scala/org/apache/spark/util/random/RandomSampler.scala ---
@@ -41,6 +41,12 @@ trait RandomSampler[T, U] extends Pseudorandom with
Cloneable with Serializable
/** take a random sample */
def sample(items: Iterator[T]): Iterator[U]
--- End diff --
Would it make sense to either add a default method to this so that
individuals implementing their own sampler don't have to duplicate the sample
logic or just deprecate or remove this method if we don't need it anymore?
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