Github user tdas commented on a diff in the pull request:
https://github.com/apache/spark/pull/7600#discussion_r35688829
--- Diff:
streaming/src/test/scala/org/apache/spark/streaming/CheckpointSuite.scala ---
@@ -391,6 +393,32 @@ class CheckpointSuite extends TestSuiteBase {
testCheckpointedOperation(input, operation, output, 7)
}
+ test("recovery maintains rate controller") {
+ ssc = new StreamingContext(conf, batchDuration)
+ ssc.checkpoint(checkpointDir)
+
+ val dstream = new RateLimitInputDStream(ssc) {
+ override val rateController =
+ Some(new ReceiverRateController(id, new ConstantEstimator(200.0)))
+ }
+ SingletonDummyReceiver.reset()
+
+ val output = new
TestOutputStreamWithPartitions(dstream.checkpoint(batchDuration * 2))
+ output.register()
+ runStreams(ssc, 5, 5)
+
+ SingletonDummyReceiver.reset()
+ ssc = new StreamingContext(checkpointDir)
+ ssc.start()
+ val outputNew = advanceTimeWithRealDelay(ssc, 2)
--- End diff --
That is because you were running manual clock through the conf generated by
TestSuiteBase. When on manual clock, unless you manually add time to the clock,
batches will not be generated. If you run on a normal clock, and use eventually
sufficiently large timeout, batches will complete.
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