Github user tdas commented on a diff in the pull request:
https://github.com/apache/spark/pull/4149#discussion_r23346930
--- Diff:
streaming/src/test/scala/org/apache/spark/streaming/ReceiverSuite.scala ---
@@ -203,39 +207,91 @@ class ReceiverSuite extends FunSuite with Timeouts {
)
}
-
/**
- * An implementation of NetworkReceiver that is used for testing a
receiver's life cycle.
+ * Test whether write ahead logs are generated by received,
+ * and automatically cleaned up. The clean up must be aware of the
+ * remember duration of the input streams. E.g., input streams on which
window()
+ * has been applied must remember the data for longer, and hence
corresponding
+ * WALs should be cleaned later.
*/
- class FakeReceiver extends Receiver[Int](StorageLevel.MEMORY_ONLY) {
--- End diff --
Just moved the FakeReceiver out of the ReceiverSuite to avoid serialization
issues.
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