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Posted to github@beam.apache.org by GitBox <gi...@apache.org> on 2020/04/27 18:01:13 UTC

[GitHub] [beam] ibzib commented on a change in pull request #11537: [BEAM-6661]

ibzib commented on a change in pull request #11537:
URL: https://github.com/apache/beam/pull/11537#discussion_r416024189



##########
File path: runners/java-fn-execution/src/main/java/org/apache/beam/runners/fnexecution/environment/ExternalEnvironmentFactory.java
##########
@@ -145,17 +149,23 @@ public InstructionRequestHandler getInstructionRequestHandler() {
 
       @Override
       public void close() throws Exception {
-        finalInstructionHandler.close();
-        BeamFnApi.StopWorkerRequest stopWorkerRequest =
-            BeamFnApi.StopWorkerRequest.newBuilder().setWorkerId(workerId).build();
-        LOG.debug("Closing worker ID {}", workerId);
-        BeamFnApi.StopWorkerResponse stopWorkerResponse =
-            BeamFnExternalWorkerPoolGrpc.newBlockingStub(
-                    ManagedChannelFactory.createDefault()
-                        .forDescriptor(externalPayload.getEndpoint()))
-                .stopWorker(stopWorkerRequest);
-        if (!stopWorkerResponse.getError().isEmpty()) {
-          throw new RuntimeException(stopWorkerResponse.getError());
+        try {
+          finalInstructionHandler.close();
+          BeamFnApi.StopWorkerRequest stopWorkerRequest =
+              BeamFnApi.StopWorkerRequest.newBuilder().setWorkerId(workerId).build();
+          LOG.debug("Closing worker ID {}", workerId);
+          BeamFnApi.StopWorkerResponse stopWorkerResponse =
+              BeamFnExternalWorkerPoolGrpc.newBlockingStub(managedChannel)
+                  .stopWorker(stopWorkerRequest);
+          if (!stopWorkerResponse.getError().isEmpty()) {
+            throw new RuntimeException(stopWorkerResponse.getError());
+          }
+        } finally {
+          managedChannel.shutdown();
+          managedChannel.awaitTermination(10, TimeUnit.SECONDS);

Review comment:
       Nit: awaitTermination already returns whether the channel is terminated, so no need to call isTerminated

##########
File path: runners/java-fn-execution/src/main/java/org/apache/beam/runners/fnexecution/environment/ExternalEnvironmentFactory.java
##########
@@ -145,17 +149,23 @@ public InstructionRequestHandler getInstructionRequestHandler() {
 
       @Override
       public void close() throws Exception {
-        finalInstructionHandler.close();
-        BeamFnApi.StopWorkerRequest stopWorkerRequest =
-            BeamFnApi.StopWorkerRequest.newBuilder().setWorkerId(workerId).build();
-        LOG.debug("Closing worker ID {}", workerId);
-        BeamFnApi.StopWorkerResponse stopWorkerResponse =
-            BeamFnExternalWorkerPoolGrpc.newBlockingStub(
-                    ManagedChannelFactory.createDefault()
-                        .forDescriptor(externalPayload.getEndpoint()))
-                .stopWorker(stopWorkerRequest);
-        if (!stopWorkerResponse.getError().isEmpty()) {
-          throw new RuntimeException(stopWorkerResponse.getError());
+        try {
+          finalInstructionHandler.close();
+          BeamFnApi.StopWorkerRequest stopWorkerRequest =
+              BeamFnApi.StopWorkerRequest.newBuilder().setWorkerId(workerId).build();
+          LOG.debug("Closing worker ID {}", workerId);
+          BeamFnApi.StopWorkerResponse stopWorkerResponse =
+              BeamFnExternalWorkerPoolGrpc.newBlockingStub(managedChannel)
+                  .stopWorker(stopWorkerRequest);
+          if (!stopWorkerResponse.getError().isEmpty()) {
+            throw new RuntimeException(stopWorkerResponse.getError());
+          }
+        } finally {
+          managedChannel.shutdown();
+          managedChannel.awaitTermination(10, TimeUnit.SECONDS);

Review comment:
       Why 10 seconds? Does shutdown usually take that long?




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