YARN-3382. Some of UserMetricsInfo metrics are incorrectly set to root queue metrics. Contributed by Rohit Agarwal

(cherry picked from commit 944a16579fdb54c1c420162ef830ef2ac5451c69)

hadoop-yarn-project/CHANGES.txt

@@ -129,6 +129,9 @@ Release 2.8.0 - UNRELEASED
     YARN-3465. Use LinkedHashMap to preserve order of resource requests. 
     (Zhihai Xu via kasha)
 
+    YARN-3382. Some of UserMetricsInfo metrics are incorrectly set to root
+    queue metrics. (Rohit Agarwal via jianhe)
+
 Release 2.7.1 - UNRELEASED
 
   INCOMPATIBLE CHANGES

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/webapp/dao/UserMetricsInfo.java

@@ -63,11 +63,11 @@ public class UserMetricsInfo {
       this.userMetricsAvailable = true;
 
       this.appsSubmitted = userMetrics.getAppsSubmitted();
-      this.appsCompleted = metrics.getAppsCompleted();
-      this.appsPending = metrics.getAppsPending();
-      this.appsRunning = metrics.getAppsRunning();
-      this.appsFailed = metrics.getAppsFailed();
-      this.appsKilled = metrics.getAppsKilled();
+      this.appsCompleted = userMetrics.getAppsCompleted();
+      this.appsPending = userMetrics.getAppsPending();
+      this.appsRunning = userMetrics.getAppsRunning();
+      this.appsFailed = userMetrics.getAppsFailed();
+      this.appsKilled = userMetrics.getAppsKilled();
 
       this.runningContainers = userMetrics.getAllocatedContainers();
       this.pendingContainers = userMetrics.getPendingContainers();