wonook commented on a change in pull request #45: [NEMO-103] Implement RPC 
between Client and Driver
URL: https://github.com/apache/incubator-nemo/pull/45#discussion_r195988229
 
 

 ##########
 File path: client/src/main/java/edu/snu/nemo/client/JobLauncher.java
 ##########
 @@ -102,13 +115,10 @@ public static void launchDAG(final DAG dag) {
       if (jobAndDriverConf == null || deployModeConf == null || builtJobConf 
== null) {
         throw new RuntimeException("Configuration for launching driver is not 
ready");
       }
-      final String serializedDAG = 
Base64.getEncoder().encodeToString(SerializationUtils.serialize(dag));
-      final Configuration dagConf = TANG.newConfigurationBuilder()
-          .bindNamedParameter(JobConf.SerializedDAG.class, serializedDAG)
-          .build();
+      serializedDAG = 
Base64.getEncoder().encodeToString(SerializationUtils.serialize(dag));
       // Launch and wait indefinitely for the job to finish
       final LauncherStatus launcherStatus = 
DriverLauncher.getLauncher(deployModeConf)
-          .run(Configurations.merge(jobAndDriverConf, dagConf));
+          .run(jobAndDriverConf);
 
 Review comment:
   Is this the part where the launchDAG message is being sent to the driver? 
I'm a little confused.

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