Github user tdas commented on a diff in the pull request:
https://github.com/apache/spark/pull/2991#discussion_r19992762
--- Diff:
streaming/src/main/scala/org/apache/spark/streaming/receiver/BlockGenerator.scala
---
@@ -80,9 +89,10 @@ private[streaming] class BlockGenerator(
* Push a single data item into the buffer. All received data items
* will be periodically pushed into BlockManager.
*/
- def += (data: Any): Unit = synchronized {
+ def += (data: Any, metadata: Any = null): Unit = synchronized {
waitToPush()
currentBuffer += data
+ listener.onStoreData(data, metadata)
--- End diff --
What is the point of calling onStore data right after inserting into the
buffer?
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