slfan1989 commented on code in PR #4963:
URL: https://github.com/apache/hadoop/pull/4963#discussion_r988614649


##########
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/federation/FederationStateStoreService.java:
##########
@@ -253,129 +259,378 @@ public Version loadVersion() {
   @Override
   public GetSubClusterPolicyConfigurationResponse getPolicyConfiguration(
       GetSubClusterPolicyConfigurationRequest request) throws YarnException {
-    return stateStoreClient.getPolicyConfiguration(request);
+    try {
+      long startTime = clock.getTime();
+      GetSubClusterPolicyConfigurationResponse response =
+          stateStoreClient.getPolicyConfiguration(request);
+      long stopTime = clock.getTime();
+      FederationStateStoreServiceMetrics.succeededStateStoreServiceCall(

Review Comment:
   Thanks for your help reviewing the code, I will fix it.



##########
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/federation/FederationStateStoreService.java:
##########
@@ -253,129 +259,378 @@ public Version loadVersion() {
   @Override
   public GetSubClusterPolicyConfigurationResponse getPolicyConfiguration(
       GetSubClusterPolicyConfigurationRequest request) throws YarnException {
-    return stateStoreClient.getPolicyConfiguration(request);
+    try {
+      long startTime = clock.getTime();
+      GetSubClusterPolicyConfigurationResponse response =
+          stateStoreClient.getPolicyConfiguration(request);
+      long stopTime = clock.getTime();
+      FederationStateStoreServiceMetrics.succeededStateStoreServiceCall(
+          stopTime - startTime);
+      return response;
+    } catch (YarnException e) {
+      LOG.error("getPolicyConfiguration error.", e);
+      FederationStateStoreServiceMetrics.failedStateStoreServiceCall();
+      throw e;
+    }
   }
 
   @Override
   public SetSubClusterPolicyConfigurationResponse setPolicyConfiguration(
       SetSubClusterPolicyConfigurationRequest request) throws YarnException {
-    return stateStoreClient.setPolicyConfiguration(request);
+    try {
+      long startTime = clock.getTime();
+      SetSubClusterPolicyConfigurationResponse response =
+          stateStoreClient.setPolicyConfiguration(request);
+      long stopTime = clock.getTime();
+      FederationStateStoreServiceMetrics.succeededStateStoreServiceCall(
+          stopTime - startTime);
+      return response;
+    } catch (YarnException e) {
+      LOG.error("setPolicyConfiguration error.", e);
+      FederationStateStoreServiceMetrics.failedStateStoreServiceCall();
+      throw e;
+    }
   }
 
   @Override
   public GetSubClusterPoliciesConfigurationsResponse getPoliciesConfigurations(
       GetSubClusterPoliciesConfigurationsRequest request) throws YarnException 
{
-    return stateStoreClient.getPoliciesConfigurations(request);
+    try {
+      long startTime = clock.getTime();
+      GetSubClusterPoliciesConfigurationsResponse response =
+          stateStoreClient.getPoliciesConfigurations(request);
+      long stopTime = clock.getTime();
+      FederationStateStoreServiceMetrics.succeededStateStoreServiceCall(

Review Comment:
   I will fix it.



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