Github user tdas commented on a diff in the pull request:
https://github.com/apache/spark/pull/1195#discussion_r15494993
--- Diff:
streaming/src/main/scala/org/apache/spark/streaming/receiver/Receiver.scala ---
@@ -133,12 +143,34 @@ abstract class Receiver[T](val storageLevel:
StorageLevel) extends Serializable
executor.pushArrayBuffer(dataBuffer, Some(metadata), None)
}
+ /**
+ * Store an ArrayBuffer of received data as a data block into Spark's
memory.
+ * The metadata will be associated with this block of data
+ * for being used in the corresponding InputDStream. The callback is
+ * called when the data is safely stored. This callback can be used to
commit transactions
+ * with systems from which data is being sent etc.
+ */
+ @Experimental
+ def storeReliably(dataBuffer: ArrayBuffer[T], metadata: Any, callback:
Option[() => Unit]) {
--- End diff --
This is small style preference of mine (so no strong arguments), but could
you put all the "storeReliably" function together rather than inter-mixed with
store function?
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