Github user tdas commented on a diff in the pull request:
https://github.com/apache/spark/pull/2665#discussion_r20144216
--- Diff:
streaming/src/main/scala/org/apache/spark/streaming/dstream/PairDStreamFunctions.scala
---
@@ -406,6 +406,31 @@ class PairDStreamFunctions[K, V](self: DStream[(K,V)])
* @param partitioner Partitioner for controlling the partitioning of
each RDD in the new
* DStream
* @param rememberPartitioner Whether to remember the paritioner object
in the generated RDDs.
+ * @param initial state value of each key.
+ * @tparam S State type
+ */
+ def updateStateByKey[S: ClassTag](
--- End diff --
nit: can you move this function the last version of `updateStateByKey` ?
They are ordered from simplest to most complicated, and this one definitely the
most complicated one.
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