Github user jerryshao commented on a diff in the pull request:
https://github.com/apache/spark/pull/5060#discussion_r34661816
--- Diff:
streaming/src/test/scala/org/apache/spark/streaming/CheckpointSuite.scala ---
@@ -191,6 +191,34 @@ class CheckpointSuite extends TestSuiteBase {
}
}
+ // This tests if "spark.driver.host" and "spark.driver.port" is set by
user, can be recovered
+ // with correct value.
+ test("correctly recover spark.driver.[host|port] from checkpoint") {
+ val conf = Map("spark.driver.host" -> "localhost", "spark.driver.port"
-> "9999")
+ conf.foreach(kv => System.setProperty(kv._1, kv._2))
+ ssc = new StreamingContext(master, framework, batchDuration)
+ val originalConf = ssc.conf
+ assert(originalConf.get("spark.driver.host") === "localhost")
+ assert(originalConf.get("spark.driver.port") === "9999")
+
+ val cp = new Checkpoint(ssc, Time(1000))
+ ssc.stop()
+
+ // Serialize/deserialize to simulate write to storage and reading it
back
+ val newCp = Utils.deserialize[Checkpoint](Utils.serialize(cp))
+
+ val newCpConf = newCp.createSparkConf()
+ assert(newCpConf.contains("spark.driver.host"))
+ assert(newCpConf.contains("spark.driver.port"))
+ assert(newCpConf.get("spark.driver.host") === "localhost")
--- End diff --
OK, I will update the test
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