diff --git a/docs/programming-guide.md b/docs/programming-guide.md index 2d6f7767d93e..590f41266c7c 100644 --- a/docs/programming-guide.md +++ b/docs/programming-guide.md @@ -1099,6 +1099,9 @@ for details. +The Spark RDD API also exposes asynchronous versions of some actions, like `foreachAsync` for `foreach`, which immediately return a `FutureAction` to the caller instead of blocking on completion of the action. This can be used to manage or wait for the asynchronous execution of the action. + + ### Shuffle operations Certain operations within Spark trigger an event known as the shuffle. The shuffle is Spark's