Github user srowen commented on a diff in the pull request:
https://github.com/apache/spark/pull/14104#discussion_r70240934
--- Diff: docs/programming-guide.md ---
@@ -1099,6 +1099,9 @@ for details.
</tr>
</table>
+Spark RDD API also exposes asynchronous versions of some actions like
foreach, collect, count etc. which return a handle immediately to the caller
which can be used to wait for its completion.
--- End diff --
I have a few edits to suggest so let me just propose some text directly:
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.
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