[GitHub] [samza] kw2542 commented on a change in pull request #1248: SAMZA-2410: Update ClusterBasedJobCoordinator config retrieval logic from loader.

[GitBox <gi...@apache.org>]

kw2542 commented on a change in pull request #1248: SAMZA-2410: Update ClusterBasedJobCoordinator config retrieval logic from loader.
URL: https://github.com/apache/samza/pull/1248#discussion_r365486270
 
 

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 File path: samza-core/src/main/java/org/apache/samza/clustermanager/ClusterBasedJobCoordinator.java
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 @@ -178,9 +185,35 @@
   public ClusterBasedJobCoordinator(Config coordinatorSystemConfig) {
     metrics = new MetricsRegistryMap();
 
-    coordinatorStreamStore = new CoordinatorStreamStore(coordinatorSystemConfig, metrics);
-    coordinatorStreamStore.init();
-    config = CoordinatorStreamUtil.readConfigFromCoordinatorStream(coordinatorStreamStore);
+    JobConfig jobConfig = new JobConfig(coordinatorSystemConfig);
+
+    if (jobConfig.getConfigLoaderFactory().isPresent()) {
+      // load full job config with ConfigLoader
+      Config originalConfig = ConfigUtil.loadConfig(coordinatorSystemConfig);
+
+      // Execute planning
+      ApplicationDescriptorImpl<? extends ApplicationDescriptor>
+          appDesc = ApplicationDescriptorUtil.getAppDescriptor(ApplicationUtil.fromConfig(originalConfig), originalConfig);
+      RemoteJobPlanner planner = new RemoteJobPlanner(appDesc);
+      List<JobConfig> jobConfigs = planner.prepareJobs();
 
 Review comment:
   Good question, both RemoteApplicationRunner and LocalJobPlanner themselves only works for single-job applications anyway, we may update them, but I think it is better to do it separately. It also relies on our plan to support multi job applications too. 

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