YARN-786. Expose application resource usage in RM REST API (Sandy Ryza)

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1537809 13f79535-47bb-0310-9956-ffa450edef68

hadoop-tools/hadoop-sls/src/main/java/org/apache/hadoop/yarn/sls/scheduler/ResourceSchedulerWrapper.java

@@ -35,6 +35,7 @@ import org.apache.hadoop.conf.Configuration;
 import org.apache.hadoop.util.ReflectionUtils;
 import org.apache.hadoop.yarn.api.records.ApplicationAttemptId;
 import org.apache.hadoop.yarn.api.records.ApplicationId;
+import org.apache.hadoop.yarn.api.records.ApplicationResourceUsageReport;
 import org.apache.hadoop.yarn.api.records.Container;
 import org.apache.hadoop.yarn.api.records.ContainerExitStatus;
 import org.apache.hadoop.yarn.api.records.ContainerId;
@@ -860,5 +861,11 @@ public class ResourceSchedulerWrapper implements ResourceScheduler,
       QueueACL acl, String queueName) {
     return scheduler.checkAccess(callerUGI, acl, queueName);
   }
+
+  @Override
+  public ApplicationResourceUsageReport getAppResourceUsageReport(
+      ApplicationAttemptId appAttemptId) {
+    return scheduler.getAppResourceUsageReport(appAttemptId);
+  }
 }
 

hadoop-yarn-project/CHANGES.txt

@@ -80,6 +80,8 @@ Release 2.3.0 - UNRELEASED
     YARN-1290. Let continuous scheduling achieve more balanced task assignment
     (Wei Yan via Sandy Ryza)
 
+    YARN-786. Expose application resource usage in RM REST API (Sandy Ryza)
+
   OPTIMIZATIONS
 
   BUG FIXES

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/rmapp/attempt/RMAppAttemptImpl.java

@@ -24,7 +24,6 @@ import java.io.IOException;
 import java.net.URI;
 import java.net.URISyntaxException;
 import java.util.ArrayList;
-import java.util.Collection;
 import java.util.Collections;
 import java.util.EnumSet;
 import java.util.HashSet;
@@ -54,7 +53,6 @@ import org.apache.hadoop.yarn.api.records.ContainerStatus;
 import org.apache.hadoop.yarn.api.records.FinalApplicationStatus;
 import org.apache.hadoop.yarn.api.records.NodeId;
 import org.apache.hadoop.yarn.api.records.Priority;
-import org.apache.hadoop.yarn.api.records.Resource;
 import org.apache.hadoop.yarn.api.records.ResourceRequest;
 import org.apache.hadoop.yarn.event.EventHandler;
 import org.apache.hadoop.yarn.factories.RecordFactory;
@@ -84,9 +82,7 @@ import org.apache.hadoop.yarn.server.resourcemanager.rmapp.attempt.event.RMAppAt
 import org.apache.hadoop.yarn.server.resourcemanager.rmapp.attempt.event.RMAppAttemptNewSavedEvent;
 import org.apache.hadoop.yarn.server.resourcemanager.rmapp.attempt.event.RMAppAttemptUnregistrationEvent;
 import org.apache.hadoop.yarn.server.resourcemanager.rmapp.attempt.event.RMAppAttemptUpdateSavedEvent;
-import org.apache.hadoop.yarn.server.resourcemanager.rmcontainer.RMContainer;
 import org.apache.hadoop.yarn.server.resourcemanager.scheduler.Allocation;
-import org.apache.hadoop.yarn.server.resourcemanager.scheduler.SchedulerAppReport;
 import org.apache.hadoop.yarn.server.resourcemanager.scheduler.YarnScheduler;
 import org.apache.hadoop.yarn.server.resourcemanager.scheduler.event.AppAddedSchedulerEvent;
 import org.apache.hadoop.yarn.server.resourcemanager.scheduler.event.AppRemovedSchedulerEvent;
@@ -98,7 +94,6 @@ import org.apache.hadoop.yarn.state.MultipleArcTransition;
 import org.apache.hadoop.yarn.state.SingleArcTransition;
 import org.apache.hadoop.yarn.state.StateMachine;
 import org.apache.hadoop.yarn.state.StateMachineFactory;
-import org.apache.hadoop.yarn.util.resource.Resources;
 import org.apache.hadoop.yarn.webapp.util.WebAppUtils;
 
 @SuppressWarnings({"unchecked", "rawtypes"})
@@ -673,38 +668,8 @@ public class RMAppAttemptImpl implements RMAppAttempt, Recoverable {
   @Override
   public ApplicationResourceUsageReport getApplicationResourceUsageReport() {
     this.readLock.lock();
-    
     try {
-      int numUsedContainers = 0;
-      int numReservedContainers = 0;
-      Resource currentConsumption = Resources.createResource(0, 0);
-      Resource reservedResources = Resources.createResource(0, 0);
-      
-      SchedulerAppReport schedApp = 
-          scheduler.getSchedulerAppInfo(this.getAppAttemptId());
-      Collection<RMContainer> liveContainers;
-      Collection<RMContainer> reservedContainers;
-      if (schedApp != null) {
-        liveContainers = schedApp.getLiveContainers();
-        reservedContainers = schedApp.getReservedContainers();
-        if (liveContainers != null) {
-          numUsedContainers = liveContainers.size();
-          for (RMContainer lc : liveContainers) {
-            Resources.addTo(currentConsumption, lc.getContainer().getResource());
-          }
-        }
-        if (reservedContainers != null) {
-          numReservedContainers = reservedContainers.size();
-          for (RMContainer rc : reservedContainers) {
-            Resources.addTo(reservedResources, rc.getContainer().getResource());
-          }
-        }
-      }
-
-      return BuilderUtils.newApplicationResourceUsageReport(
-          numUsedContainers, numReservedContainers,
-          currentConsumption, reservedResources,
-          Resources.add(currentConsumption, reservedResources));
+      return scheduler.getAppResourceUsageReport(this.getAppAttemptId());
     } finally {
       this.readLock.unlock();
     }

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/SchedulerApplication.java

@@ -30,6 +30,7 @@ import org.apache.hadoop.classification.InterfaceStability.Stable;
 import org.apache.hadoop.classification.InterfaceStability.Unstable;
 import org.apache.hadoop.yarn.api.records.ApplicationAttemptId;
 import org.apache.hadoop.yarn.api.records.ApplicationId;
+import org.apache.hadoop.yarn.api.records.ApplicationResourceUsageReport;
 import org.apache.hadoop.yarn.api.records.Container;
 import org.apache.hadoop.yarn.api.records.ContainerId;
 import org.apache.hadoop.yarn.api.records.NodeId;
@@ -397,5 +398,12 @@ public abstract class SchedulerApplication {
     lastScheduledContainer.put(priority, currentTimeMs);
     schedulingOpportunities.setCount(priority, 0);
   }
+  
+  public synchronized ApplicationResourceUsageReport getResourceUsageReport() {
+    return ApplicationResourceUsageReport.newInstance(liveContainers.size(),
+        reservedContainers.size(), Resources.clone(currentConsumption),
+        Resources.clone(currentReservation),
+        Resources.add(currentConsumption, currentReservation));
+  }
 
 }

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/YarnScheduler.java

@@ -27,6 +27,7 @@ import org.apache.hadoop.classification.InterfaceStability.Evolving;
 import org.apache.hadoop.classification.InterfaceStability.Stable;
 import org.apache.hadoop.security.UserGroupInformation;
 import org.apache.hadoop.yarn.api.records.ApplicationAttemptId;
+import org.apache.hadoop.yarn.api.records.ApplicationResourceUsageReport;
 import org.apache.hadoop.yarn.api.records.ContainerId;
 import org.apache.hadoop.yarn.api.records.NodeId;
 import org.apache.hadoop.yarn.api.records.QueueACL;
@@ -129,6 +130,16 @@ public interface YarnScheduler extends EventHandler<SchedulerEvent> {
   @Stable
   SchedulerAppReport getSchedulerAppInfo(ApplicationAttemptId appAttemptId);
 
+  /**
+   * Get a resource usage report from a given app attempt ID.
+   * @param appAttemptId the id of the application attempt
+   * @return resource usage report for this given attempt
+   */
+  @LimitedPrivate("yarn")
+  @Evolving
+  ApplicationResourceUsageReport getAppResourceUsageReport(
+      ApplicationAttemptId appAttemptId);
+  
   /**
    * Get the root queue for the scheduler.
    * @return the root queue for the scheduler.

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/CapacityScheduler.java

@@ -36,6 +36,7 @@ import org.apache.hadoop.conf.Configuration;
 import org.apache.hadoop.security.AccessControlException;
 import org.apache.hadoop.security.UserGroupInformation;
 import org.apache.hadoop.yarn.api.records.ApplicationAttemptId;
+import org.apache.hadoop.yarn.api.records.ApplicationResourceUsageReport;
 import org.apache.hadoop.yarn.api.records.Container;
 import org.apache.hadoop.yarn.api.records.ContainerId;
 import org.apache.hadoop.yarn.api.records.ContainerStatus;
@@ -856,6 +857,13 @@ public class CapacityScheduler
     return app == null ? null : new SchedulerAppReport(app);
   }
   
+  @Override
+  public ApplicationResourceUsageReport getAppResourceUsageReport(
+      ApplicationAttemptId applicationAttemptId) {
+    FiCaSchedulerApp app = getApplication(applicationAttemptId);
+    return app == null ? null : app.getResourceUsageReport();
+  }
+  
   @Lock(Lock.NoLock.class)
   FiCaSchedulerNode getNode(NodeId nodeId) {
     return nodes.get(nodeId);

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/fair/FairScheduler.java

@@ -38,6 +38,7 @@ import org.apache.hadoop.classification.InterfaceStability.Unstable;
 import org.apache.hadoop.conf.Configuration;
 import org.apache.hadoop.security.UserGroupInformation;
 import org.apache.hadoop.yarn.api.records.ApplicationAttemptId;
+import org.apache.hadoop.yarn.api.records.ApplicationResourceUsageReport;
 import org.apache.hadoop.yarn.api.records.Container;
 import org.apache.hadoop.yarn.api.records.ContainerId;
 import org.apache.hadoop.yarn.api.records.ContainerStatus;
@@ -1051,6 +1052,17 @@ public class FairScheduler implements ResourceScheduler {
     return new SchedulerAppReport(applications.get(appAttemptId));
   }
   
+  @Override
+  public ApplicationResourceUsageReport getAppResourceUsageReport(
+      ApplicationAttemptId appAttemptId) {
+    FSSchedulerApp app = applications.get(appAttemptId);
+    if (app == null) {
+      LOG.error("Request for appInfo of unknown attempt" + appAttemptId);
+      return null;
+    }
+    return app.getResourceUsageReport();
+  }
+  
   /**
    * Subqueue metrics might be a little out of date because fair shares are
    * recalculated at the update interval, but the root queue metrics needs to

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/fifo/FifoScheduler.java

@@ -37,6 +37,7 @@ import org.apache.hadoop.conf.Configuration;
 import org.apache.hadoop.security.UserGroupInformation;
 import org.apache.hadoop.security.authorize.AccessControlList;
 import org.apache.hadoop.yarn.api.records.ApplicationAttemptId;
+import org.apache.hadoop.yarn.api.records.ApplicationResourceUsageReport;
 import org.apache.hadoop.yarn.api.records.Container;
 import org.apache.hadoop.yarn.api.records.ContainerId;
 import org.apache.hadoop.yarn.api.records.ContainerStatus;
@@ -327,6 +328,13 @@ public class FifoScheduler implements ResourceScheduler, Configurable {
     return app == null ? null : new SchedulerAppReport(app);
   }
   
+  @Override
+  public ApplicationResourceUsageReport getAppResourceUsageReport(
+      ApplicationAttemptId applicationAttemptId) {
+    FiCaSchedulerApp app = getApplication(applicationAttemptId);
+    return app == null ? null : app.getResourceUsageReport();
+  }
+  
   private FiCaSchedulerNode getNode(NodeId nodeId) {
     return nodes.get(nodeId);
   }

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

@@ -26,8 +26,10 @@ import javax.xml.bind.annotation.XmlTransient;
 
 import org.apache.hadoop.http.HttpConfig;
 import org.apache.hadoop.yarn.api.records.ApplicationId;
+import org.apache.hadoop.yarn.api.records.ApplicationResourceUsageReport;
 import org.apache.hadoop.yarn.api.records.Container;
 import org.apache.hadoop.yarn.api.records.FinalApplicationStatus;
+import org.apache.hadoop.yarn.api.records.Resource;
 import org.apache.hadoop.yarn.server.resourcemanager.ResourceManager;
 import org.apache.hadoop.yarn.server.resourcemanager.rmapp.RMApp;
 import org.apache.hadoop.yarn.server.resourcemanager.rmapp.RMAppState;
@@ -71,6 +73,9 @@ public class AppInfo {
   protected long elapsedTime;
   protected String amContainerLogs;
   protected String amHostHttpAddress;
+  protected int allocatedMB;
+  protected int allocatedVCores;
+  protected int runningContainers;
 
   public AppInfo() {
   } // JAXB needs this
@@ -132,6 +137,15 @@ public class AppInfo {
             this.amContainerLogs = url;
             this.amHostHttpAddress = masterContainer.getNodeHttpAddress();
           }
+          
+          ApplicationResourceUsageReport resourceReport = attempt
+              .getApplicationResourceUsageReport();
+          if (resourceReport != null) {
+            Resource usedResources = resourceReport.getUsedResources();
+            allocatedMB = usedResources.getMemory();
+            allocatedVCores = usedResources.getVirtualCores();
+            runningContainers = resourceReport.getNumUsedContainers();
+          }
         }
       }
     }
@@ -224,5 +238,17 @@ public class AppInfo {
   public String getApplicationType() {
     return this.applicationType;
   }
-
+  
+  public int getRunningContainers() {
+    return this.runningContainers;
+  }
+  
+  public int getAllocatedMB() {
+    return this.allocatedMB;
+  }
+  
+  public int getAllocatedVCores() {
+    return this.allocatedVCores;
+  }
+  
 }

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/webapp/TestRMWebServicesApps.java

@@ -78,6 +78,8 @@ import com.sun.jersey.test.framework.WebAppDescriptor;
 public class TestRMWebServicesApps extends JerseyTest {
 
   private static MockRM rm;
+  
+  private static final int CONTAINER_MB = 1024;
 
   private Injector injector = Guice.createInjector(new ServletModule() {
     @Override
@@ -126,7 +128,7 @@ public class TestRMWebServicesApps extends JerseyTest {
   public void testApps() throws JSONException, Exception {
     rm.start();
     MockNM amNodeManager = rm.registerNode("127.0.0.1:1234", 2048);
-    RMApp app1 = rm.submitApp(1024);
+    RMApp app1 = rm.submitApp(CONTAINER_MB);
     amNodeManager.nodeHeartbeat(true);
     testAppsHelper("apps", app1, MediaType.APPLICATION_JSON);
     rm.stop();
@@ -136,7 +138,7 @@ public class TestRMWebServicesApps extends JerseyTest {
   public void testAppsSlash() throws JSONException, Exception {
     rm.start();
     MockNM amNodeManager = rm.registerNode("127.0.0.1:1234", 2048);
-    RMApp app1 = rm.submitApp(1024);
+    RMApp app1 = rm.submitApp(CONTAINER_MB);
     amNodeManager.nodeHeartbeat(true);
     testAppsHelper("apps/", app1, MediaType.APPLICATION_JSON);
     rm.stop();
@@ -146,7 +148,7 @@ public class TestRMWebServicesApps extends JerseyTest {
   public void testAppsDefault() throws JSONException, Exception {
     rm.start();
     MockNM amNodeManager = rm.registerNode("127.0.0.1:1234", 2048);
-    RMApp app1 = rm.submitApp(1024);
+    RMApp app1 = rm.submitApp(CONTAINER_MB);
     amNodeManager.nodeHeartbeat(true);
     testAppsHelper("apps/", app1, "");
     rm.stop();
@@ -156,7 +158,7 @@ public class TestRMWebServicesApps extends JerseyTest {
   public void testAppsXML() throws JSONException, Exception {
     rm.start();
     MockNM amNodeManager = rm.registerNode("127.0.0.1:1234", 2048);
-    RMApp app1 = rm.submitApp(1024, "testwordcount", "user1");
+    RMApp app1 = rm.submitApp(CONTAINER_MB, "testwordcount", "user1");
     amNodeManager.nodeHeartbeat(true);
     WebResource r = resource();
     ClientResponse response = r.path("ws").path("v1").path("cluster")
@@ -181,7 +183,7 @@ public class TestRMWebServicesApps extends JerseyTest {
   public void testAppsXMLMulti() throws JSONException, Exception {
     rm.start();
     MockNM amNodeManager = rm.registerNode("127.0.0.1:1234", 2048);
-    rm.submitApp(1024, "testwordcount", "user1");
+    rm.submitApp(CONTAINER_MB, "testwordcount", "user1");
     rm.submitApp(2048, "testwordcount2", "user1");
 
     amNodeManager.nodeHeartbeat(true);
@@ -225,7 +227,7 @@ public class TestRMWebServicesApps extends JerseyTest {
   public void testAppsQueryState() throws JSONException, Exception {
     rm.start();
     MockNM amNodeManager = rm.registerNode("127.0.0.1:1234", 2048);
-    RMApp app1 = rm.submitApp(1024);
+    RMApp app1 = rm.submitApp(CONTAINER_MB);
     amNodeManager.nodeHeartbeat(true);
     WebResource r = resource();
 
@@ -248,8 +250,8 @@ public class TestRMWebServicesApps extends JerseyTest {
   public void testAppsQueryStates() throws JSONException, Exception {
     rm.start();
     MockNM amNodeManager = rm.registerNode("127.0.0.1:1234", 2048);
-    rm.submitApp(1024);
-    RMApp killedApp = rm.submitApp(1024);
+    rm.submitApp(CONTAINER_MB);
+    RMApp killedApp = rm.submitApp(CONTAINER_MB);
     rm.killApp(killedApp.getApplicationId());
 
     amNodeManager.nodeHeartbeat(true);
@@ -297,8 +299,8 @@ public class TestRMWebServicesApps extends JerseyTest {
   public void testAppsQueryStatesComma() throws JSONException, Exception {
     rm.start();
     MockNM amNodeManager = rm.registerNode("127.0.0.1:1234", 2048);
-    rm.submitApp(1024);
-    RMApp killedApp = rm.submitApp(1024);
+    rm.submitApp(CONTAINER_MB);
+    RMApp killedApp = rm.submitApp(CONTAINER_MB);
     rm.killApp(killedApp.getApplicationId());
 
     amNodeManager.nodeHeartbeat(true);
@@ -346,7 +348,7 @@ public class TestRMWebServicesApps extends JerseyTest {
   public void testAppsQueryStatesNone() throws JSONException, Exception {
     rm.start();
     MockNM amNodeManager = rm.registerNode("127.0.0.1:1234", 2048);
-    rm.submitApp(1024);
+    rm.submitApp(CONTAINER_MB);
     amNodeManager.nodeHeartbeat(true);
     WebResource r = resource();
 
@@ -365,7 +367,7 @@ public class TestRMWebServicesApps extends JerseyTest {
   public void testAppsQueryStateNone() throws JSONException, Exception {
     rm.start();
     MockNM amNodeManager = rm.registerNode("127.0.0.1:1234", 2048);
-    rm.submitApp(1024);
+    rm.submitApp(CONTAINER_MB);
     amNodeManager.nodeHeartbeat(true);
     WebResource r = resource();
 
@@ -384,7 +386,7 @@ public class TestRMWebServicesApps extends JerseyTest {
   public void testAppsQueryStatesInvalid() throws JSONException, Exception {
     rm.start();
     MockNM amNodeManager = rm.registerNode("127.0.0.1:1234", 2048);
-    rm.submitApp(1024);
+    rm.submitApp(CONTAINER_MB);
     amNodeManager.nodeHeartbeat(true);
     WebResource r = resource();
 
@@ -421,7 +423,7 @@ public class TestRMWebServicesApps extends JerseyTest {
   public void testAppsQueryStateInvalid() throws JSONException, Exception {
     rm.start();
     MockNM amNodeManager = rm.registerNode("127.0.0.1:1234", 2048);
-    rm.submitApp(1024);
+    rm.submitApp(CONTAINER_MB);
     amNodeManager.nodeHeartbeat(true);
     WebResource r = resource();
 
@@ -458,7 +460,7 @@ public class TestRMWebServicesApps extends JerseyTest {
   public void testAppsQueryFinalStatus() throws JSONException, Exception {
     rm.start();
     MockNM amNodeManager = rm.registerNode("127.0.0.1:1234", 2048);
-    RMApp app1 = rm.submitApp(1024);
+    RMApp app1 = rm.submitApp(CONTAINER_MB);
     amNodeManager.nodeHeartbeat(true);
     WebResource r = resource();
 
@@ -481,7 +483,7 @@ public class TestRMWebServicesApps extends JerseyTest {
   public void testAppsQueryFinalStatusNone() throws JSONException, Exception {
     rm.start();
     MockNM amNodeManager = rm.registerNode("127.0.0.1:1234", 2048);
-    rm.submitApp(1024);
+    rm.submitApp(CONTAINER_MB);
     amNodeManager.nodeHeartbeat(true);
     WebResource r = resource();
 
@@ -499,7 +501,7 @@ public class TestRMWebServicesApps extends JerseyTest {
   public void testAppsQueryFinalStatusInvalid() throws JSONException, Exception {
     rm.start();
     MockNM amNodeManager = rm.registerNode("127.0.0.1:1234", 2048);
-    rm.submitApp(1024);
+    rm.submitApp(CONTAINER_MB);
     amNodeManager.nodeHeartbeat(true);
     WebResource r = resource();
 
@@ -537,8 +539,8 @@ public class TestRMWebServicesApps extends JerseyTest {
   public void testAppsQueryUser() throws JSONException, Exception {
     rm.start();
     MockNM amNodeManager = rm.registerNode("127.0.0.1:1234", 2048);
-    rm.submitApp(1024);
-    rm.submitApp(1024);
+    rm.submitApp(CONTAINER_MB);
+    rm.submitApp(CONTAINER_MB);
 
     amNodeManager.nodeHeartbeat(true);
     WebResource r = resource();
@@ -565,8 +567,8 @@ public class TestRMWebServicesApps extends JerseyTest {
   public void testAppsQueryQueue() throws JSONException, Exception {
     rm.start();
     MockNM amNodeManager = rm.registerNode("127.0.0.1:1234", 2048);
-    rm.submitApp(1024);
-    rm.submitApp(1024);
+    rm.submitApp(CONTAINER_MB);
+    rm.submitApp(CONTAINER_MB);
 
     amNodeManager.nodeHeartbeat(true);
     WebResource r = resource();
@@ -588,9 +590,9 @@ public class TestRMWebServicesApps extends JerseyTest {
   public void testAppsQueryLimit() throws JSONException, Exception {
     rm.start();
     rm.registerNode("127.0.0.1:1234", 2048);
-    rm.submitApp(1024);
-    rm.submitApp(1024);
-    rm.submitApp(1024);
+    rm.submitApp(CONTAINER_MB);
+    rm.submitApp(CONTAINER_MB);
+    rm.submitApp(CONTAINER_MB);
     WebResource r = resource();
     ClientResponse response = r.path("ws").path("v1").path("cluster")
         .path("apps").queryParam("limit", "2")
@@ -611,9 +613,9 @@ public class TestRMWebServicesApps extends JerseyTest {
     long start = System.currentTimeMillis();
     Thread.sleep(1);
     rm.registerNode("127.0.0.1:1234", 2048);
-    rm.submitApp(1024);
-    rm.submitApp(1024);
-    rm.submitApp(1024);
+    rm.submitApp(CONTAINER_MB);
+    rm.submitApp(CONTAINER_MB);
+    rm.submitApp(CONTAINER_MB);
     WebResource r = resource();
     ClientResponse response = r.path("ws").path("v1").path("cluster")
         .path("apps").queryParam("startedTimeBegin", String.valueOf(start))
@@ -632,11 +634,11 @@ public class TestRMWebServicesApps extends JerseyTest {
   public void testAppsQueryStartBeginSome() throws JSONException, Exception {
     rm.start();
     rm.registerNode("127.0.0.1:1234", 2048);
-    rm.submitApp(1024);
-    rm.submitApp(1024);
+    rm.submitApp(CONTAINER_MB);
+    rm.submitApp(CONTAINER_MB);
     long start = System.currentTimeMillis();
     Thread.sleep(1);
-    rm.submitApp(1024);
+    rm.submitApp(CONTAINER_MB);
     WebResource r = resource();
     ClientResponse response = r.path("ws").path("v1").path("cluster")
         .path("apps").queryParam("startedTimeBegin", String.valueOf(start))
@@ -657,9 +659,9 @@ public class TestRMWebServicesApps extends JerseyTest {
     rm.registerNode("127.0.0.1:1234", 2048);
     long end = System.currentTimeMillis();
     Thread.sleep(1);
-    rm.submitApp(1024);
-    rm.submitApp(1024);
-    rm.submitApp(1024);
+    rm.submitApp(CONTAINER_MB);
+    rm.submitApp(CONTAINER_MB);
+    rm.submitApp(CONTAINER_MB);
     WebResource r = resource();
     ClientResponse response = r.path("ws").path("v1").path("cluster")
         .path("apps").queryParam("startedTimeEnd", String.valueOf(end))
@@ -677,11 +679,11 @@ public class TestRMWebServicesApps extends JerseyTest {
     rm.registerNode("127.0.0.1:1234", 2048);
     long start = System.currentTimeMillis();
     Thread.sleep(1);
-    rm.submitApp(1024);
-    rm.submitApp(1024);
+    rm.submitApp(CONTAINER_MB);
+    rm.submitApp(CONTAINER_MB);
     long end = System.currentTimeMillis();
     Thread.sleep(1);
-    rm.submitApp(1024);
+    rm.submitApp(CONTAINER_MB);
     WebResource r = resource();
     ClientResponse response = r.path("ws").path("v1").path("cluster")
         .path("apps").queryParam("startedTimeBegin", String.valueOf(start))
@@ -703,7 +705,7 @@ public class TestRMWebServicesApps extends JerseyTest {
     MockNM amNodeManager = rm.registerNode("127.0.0.1:1234", 2048);
     long start = System.currentTimeMillis();
     Thread.sleep(1);
-    RMApp app1 = rm.submitApp(1024);
+    RMApp app1 = rm.submitApp(CONTAINER_MB);
     amNodeManager.nodeHeartbeat(true);
     // finish App
     MockAM am = rm
@@ -712,8 +714,8 @@ public class TestRMWebServicesApps extends JerseyTest {
     am.unregisterAppAttempt();
     amNodeManager.nodeHeartbeat(app1.getCurrentAppAttempt().getAppAttemptId(),
         1, ContainerState.COMPLETE);
-    rm.submitApp(1024);
-    rm.submitApp(1024);
+    rm.submitApp(CONTAINER_MB);
+    rm.submitApp(CONTAINER_MB);
 
     WebResource r = resource();
     ClientResponse response = r.path("ws").path("v1").path("cluster")
@@ -733,7 +735,7 @@ public class TestRMWebServicesApps extends JerseyTest {
   public void testAppsQueryFinishEnd() throws JSONException, Exception {
     rm.start();
     MockNM amNodeManager = rm.registerNode("127.0.0.1:1234", 2048);
-    RMApp app1 = rm.submitApp(1024);
+    RMApp app1 = rm.submitApp(CONTAINER_MB);
     amNodeManager.nodeHeartbeat(true);
     // finish App
     MockAM am = rm
@@ -743,8 +745,8 @@ public class TestRMWebServicesApps extends JerseyTest {
     amNodeManager.nodeHeartbeat(app1.getCurrentAppAttempt().getAppAttemptId(),
         1, ContainerState.COMPLETE);
 
-    rm.submitApp(1024);
-    rm.submitApp(1024);
+    rm.submitApp(CONTAINER_MB);
+    rm.submitApp(CONTAINER_MB);
     long end = System.currentTimeMillis();
 
     WebResource r = resource();
@@ -767,7 +769,7 @@ public class TestRMWebServicesApps extends JerseyTest {
     MockNM amNodeManager = rm.registerNode("127.0.0.1:1234", 2048);
     long start = System.currentTimeMillis();
     Thread.sleep(1);
-    RMApp app1 = rm.submitApp(1024);
+    RMApp app1 = rm.submitApp(CONTAINER_MB);
     amNodeManager.nodeHeartbeat(true);
     // finish App
     MockAM am = rm
@@ -777,8 +779,8 @@ public class TestRMWebServicesApps extends JerseyTest {
     amNodeManager.nodeHeartbeat(app1.getCurrentAppAttempt().getAppAttemptId(),
         1, ContainerState.COMPLETE);
 
-    rm.submitApp(1024);
-    rm.submitApp(1024);
+    rm.submitApp(CONTAINER_MB);
+    rm.submitApp(CONTAINER_MB);
     long end = System.currentTimeMillis();
 
     WebResource r = resource();
@@ -801,7 +803,7 @@ public class TestRMWebServicesApps extends JerseyTest {
     rm.start();
     MockNM amNodeManager = rm.registerNode("127.0.0.1:1234", 2048);
     Thread.sleep(1);
-    RMApp app1 = rm.submitApp(1024);
+    RMApp app1 = rm.submitApp(CONTAINER_MB);
     amNodeManager.nodeHeartbeat(true);
     // finish App
     MockAM am = rm
@@ -811,9 +813,9 @@ public class TestRMWebServicesApps extends JerseyTest {
     amNodeManager.nodeHeartbeat(app1.getCurrentAppAttempt().getAppAttemptId(),
         1, ContainerState.COMPLETE);
 
-    rm.submitApp(1024, "", UserGroupInformation.getCurrentUser()
+    rm.submitApp(CONTAINER_MB, "", UserGroupInformation.getCurrentUser()
         .getShortUserName(), null, false, null, 2, null, "MAPREDUCE");
-    rm.submitApp(1024, "", UserGroupInformation.getCurrentUser()
+    rm.submitApp(CONTAINER_MB, "", UserGroupInformation.getCurrentUser()
         .getShortUserName(), null, false, null, 2, null, "NON-YARN");
 
     WebResource r = resource();
@@ -987,7 +989,7 @@ public class TestRMWebServicesApps extends JerseyTest {
       rm.start();
       MockNM amNodeManager = rm.registerNode("127.0.0.1:1234", 4096);
       Thread.sleep(1);
-      RMApp app1 = rm.submitApp(1024, "", UserGroupInformation.getCurrentUser()
+      RMApp app1 = rm.submitApp(CONTAINER_MB, "", UserGroupInformation.getCurrentUser()
           .getShortUserName(), null, false, null, 2, null, "MAPREDUCE");
       amNodeManager.nodeHeartbeat(true);
       // finish App
@@ -998,9 +1000,9 @@ public class TestRMWebServicesApps extends JerseyTest {
       amNodeManager.nodeHeartbeat(app1.getCurrentAppAttempt().getAppAttemptId(),
           1, ContainerState.COMPLETE);
 
-      rm.submitApp(1024, "", UserGroupInformation.getCurrentUser()
+      rm.submitApp(CONTAINER_MB, "", UserGroupInformation.getCurrentUser()
           .getShortUserName(), null, false, null, 2, null, "MAPREDUCE");
-      rm.submitApp(1024, "", UserGroupInformation.getCurrentUser()
+      rm.submitApp(CONTAINER_MB, "", UserGroupInformation.getCurrentUser()
           .getShortUserName(), null, false, null, 2, null, "OTHER");
 
       // zero type, zero state
@@ -1148,7 +1150,7 @@ public class TestRMWebServicesApps extends JerseyTest {
   public void testSingleApp() throws JSONException, Exception {
     rm.start();
     MockNM amNodeManager = rm.registerNode("127.0.0.1:1234", 2048);
-    RMApp app1 = rm.submitApp(1024, "testwordcount", "user1");
+    RMApp app1 = rm.submitApp(CONTAINER_MB, "testwordcount", "user1");
     amNodeManager.nodeHeartbeat(true);
     testSingleAppsHelper(app1.getApplicationId().toString(), app1,
         MediaType.APPLICATION_JSON);
@@ -1159,7 +1161,7 @@ public class TestRMWebServicesApps extends JerseyTest {
   public void testSingleAppsSlash() throws JSONException, Exception {
     rm.start();
     MockNM amNodeManager = rm.registerNode("127.0.0.1:1234", 2048);
-    RMApp app1 = rm.submitApp(1024);
+    RMApp app1 = rm.submitApp(CONTAINER_MB);
     amNodeManager.nodeHeartbeat(true);
     testSingleAppsHelper(app1.getApplicationId().toString() + "/", app1,
         MediaType.APPLICATION_JSON);
@@ -1170,7 +1172,7 @@ public class TestRMWebServicesApps extends JerseyTest {
   public void testSingleAppsDefault() throws JSONException, Exception {
     rm.start();
     MockNM amNodeManager = rm.registerNode("127.0.0.1:1234", 2048);
-    RMApp app1 = rm.submitApp(1024);
+    RMApp app1 = rm.submitApp(CONTAINER_MB);
     amNodeManager.nodeHeartbeat(true);
     testSingleAppsHelper(app1.getApplicationId().toString() + "/", app1, "");
     rm.stop();
@@ -1180,7 +1182,7 @@ public class TestRMWebServicesApps extends JerseyTest {
   public void testInvalidApp() throws JSONException, Exception {
     rm.start();
     MockNM amNodeManager = rm.registerNode("127.0.0.1:1234", 2048);
-    rm.submitApp(1024);
+    rm.submitApp(CONTAINER_MB);
     amNodeManager.nodeHeartbeat(true);
     WebResource r = resource();
 
@@ -1216,7 +1218,7 @@ public class TestRMWebServicesApps extends JerseyTest {
   public void testNonexistApp() throws JSONException, Exception {
     rm.start();
     MockNM amNodeManager = rm.registerNode("127.0.0.1:1234", 2048);
-    rm.submitApp(1024, "testwordcount", "user1");
+    rm.submitApp(CONTAINER_MB, "testwordcount", "user1");
     amNodeManager.nodeHeartbeat(true);
     WebResource r = resource();
 
@@ -1265,7 +1267,7 @@ public class TestRMWebServicesApps extends JerseyTest {
   public void testSingleAppsXML() throws JSONException, Exception {
     rm.start();
     MockNM amNodeManager = rm.registerNode("127.0.0.1:1234", 2048);
-    RMApp app1 = rm.submitApp(1024, "testwordcount", "user1");
+    RMApp app1 = rm.submitApp(CONTAINER_MB, "testwordcount", "user1");
     amNodeManager.nodeHeartbeat(true);
     WebResource r = resource();
     ClientResponse response = r.path("ws").path("v1").path("cluster")
@@ -1307,7 +1309,10 @@ public class TestRMWebServicesApps extends JerseyTest {
           WebServicesTestUtils.getXmlLong(element, "finishedTime"),
           WebServicesTestUtils.getXmlLong(element, "elapsedTime"),
           WebServicesTestUtils.getXmlString(element, "amHostHttpAddress"),
-          WebServicesTestUtils.getXmlString(element, "amContainerLogs"));
+          WebServicesTestUtils.getXmlString(element, "amContainerLogs"),
+          WebServicesTestUtils.getXmlInt(element, "allocatedMB"),
+          WebServicesTestUtils.getXmlInt(element, "allocatedVCores"),
+          WebServicesTestUtils.getXmlInt(element, "runningContainers"));
     }
   }
 
@@ -1315,7 +1320,7 @@ public class TestRMWebServicesApps extends JerseyTest {
       Exception {
 
     // 15 because trackingUrl not assigned yet
-    assertEquals("incorrect number of elements", 16, info.length());
+    assertEquals("incorrect number of elements", 19, info.length());
 
     verifyAppInfoGeneric(app, info.getString("id"), info.getString("user"),
       info.getString("name"), info.getString("applicationType"), info.getString("queue"),
@@ -1324,14 +1329,16 @@ public class TestRMWebServicesApps extends JerseyTest {
       info.getString("diagnostics"), info.getLong("clusterId"),
       info.getLong("startedTime"), info.getLong("finishedTime"),
       info.getLong("elapsedTime"), info.getString("amHostHttpAddress"),
-      info.getString("amContainerLogs"));
+      info.getString("amContainerLogs"), info.getInt("allocatedMB"),
+      info.getInt("allocatedVCores"), info.getInt("runningContainers"));
   }
 
   public void verifyAppInfoGeneric(RMApp app, String id, String user,
       String name, String applicationType, String queue, String state, String finalStatus,
       float progress, String trackingUI, String diagnostics, long clusterId,
       long startedTime, long finishedTime, long elapsedTime,
-      String amHostHttpAddress, String amContainerLogs) throws JSONException,
+      String amHostHttpAddress, String amContainerLogs, int allocatedMB,
+      int allocatedVCores, int numContainers) throws JSONException,
       Exception {
 
     WebServicesTestUtils.checkStringMatch("id", app.getApplicationId()
@@ -1363,13 +1370,16 @@ public class TestRMWebServicesApps extends JerseyTest {
         amContainerLogs.startsWith("http://"));
     assertTrue("amContainerLogs doesn't contain user info",
         amContainerLogs.endsWith("/" + app.getUser()));
+    assertEquals("allocatedMB doesn't match", 1024, allocatedMB);
+    assertEquals("allocatedVCores doesn't match", 1, allocatedVCores);
+    assertEquals("numContainers doesn't match", 1, numContainers);
   }
 
   @Test
   public void testAppAttempts() throws JSONException, Exception {
     rm.start();
     MockNM amNodeManager = rm.registerNode("127.0.0.1:1234", 2048);
-    RMApp app1 = rm.submitApp(1024, "testwordcount", "user1");
+    RMApp app1 = rm.submitApp(CONTAINER_MB, "testwordcount", "user1");
     amNodeManager.nodeHeartbeat(true);
     testAppAttemptsHelper(app1.getApplicationId().toString(), app1,
         MediaType.APPLICATION_JSON);
@@ -1380,7 +1390,7 @@ public class TestRMWebServicesApps extends JerseyTest {
   public void testMultipleAppAttempts() throws JSONException, Exception {
     rm.start();
     MockNM amNodeManager = rm.registerNode("127.0.0.1:1234", 2048);
-    RMApp app1 = rm.submitApp(1024, "testwordcount", "user1");
+    RMApp app1 = rm.submitApp(CONTAINER_MB, "testwordcount", "user1");
     amNodeManager.nodeHeartbeat(true);
     int maxAppAttempts = rm.getConfig().getInt(
         YarnConfiguration.RM_AM_MAX_ATTEMPTS,
@@ -1406,7 +1416,7 @@ public class TestRMWebServicesApps extends JerseyTest {
   public void testAppAttemptsSlash() throws JSONException, Exception {
     rm.start();
     MockNM amNodeManager = rm.registerNode("127.0.0.1:1234", 2048);
-    RMApp app1 = rm.submitApp(1024);
+    RMApp app1 = rm.submitApp(CONTAINER_MB);
     amNodeManager.nodeHeartbeat(true);
     testAppAttemptsHelper(app1.getApplicationId().toString() + "/", app1,
         MediaType.APPLICATION_JSON);
@@ -1417,7 +1427,7 @@ public class TestRMWebServicesApps extends JerseyTest {
   public void testAppAttemtpsDefault() throws JSONException, Exception {
     rm.start();
     MockNM amNodeManager = rm.registerNode("127.0.0.1:1234", 2048);
-    RMApp app1 = rm.submitApp(1024);
+    RMApp app1 = rm.submitApp(CONTAINER_MB);
     amNodeManager.nodeHeartbeat(true);
     testAppAttemptsHelper(app1.getApplicationId().toString() + "/", app1, "");
     rm.stop();
@@ -1427,7 +1437,7 @@ public class TestRMWebServicesApps extends JerseyTest {
   public void testInvalidAppAttempts() throws JSONException, Exception {
     rm.start();
     MockNM amNodeManager = rm.registerNode("127.0.0.1:1234", 2048);
-    rm.submitApp(1024);
+    rm.submitApp(CONTAINER_MB);
     amNodeManager.nodeHeartbeat(true);
     WebResource r = resource();
 
@@ -1463,7 +1473,7 @@ public class TestRMWebServicesApps extends JerseyTest {
   public void testNonexistAppAttempts() throws JSONException, Exception {
     rm.start();
     MockNM amNodeManager = rm.registerNode("127.0.0.1:1234", 2048);
-    rm.submitApp(1024, "testwordcount", "user1");
+    rm.submitApp(CONTAINER_MB, "testwordcount", "user1");
     amNodeManager.nodeHeartbeat(true);
     WebResource r = resource();
 
@@ -1526,7 +1536,7 @@ public class TestRMWebServicesApps extends JerseyTest {
     rm.start();
     String user = "user1";
     MockNM amNodeManager = rm.registerNode("127.0.0.1:1234", 2048);
-    RMApp app1 = rm.submitApp(1024, "testwordcount", user);
+    RMApp app1 = rm.submitApp(CONTAINER_MB, "testwordcount", user);
     amNodeManager.nodeHeartbeat(true);
     WebResource r = resource();
     ClientResponse response = r.path("ws").path("v1").path("cluster")

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-site/src/site/apt/ResourceManagerRest.apt.vm

@@ -1177,7 +1177,10 @@ ResourceManager REST API's.
           "elapsedTime" : 25196,
           "diagnostics" : "",
           "trackingUrl" : "http://host.domain.com:8088/proxy/application_1326815542473_0001/jobhistory/job/job_1326815542473_1_1",
-          "queue" : "default"
+          "queue" : "default",
+          "allocatedMB" : 0,
+          "allocatedVCores" : 0,
+          "runningContainers" : 0
        },
        {
           "finishedTime" : 1326815789546,
@@ -1195,7 +1198,10 @@ ResourceManager REST API's.
           "elapsedTime" : 148166,
           "diagnostics" : "",
           "trackingUrl" : "http://host.domain.com:8088/proxy/application_1326815542473_0002/jobhistory/job/job_1326815542473_2_2",
-          "queue" : "default"
+          "queue" : "default",
+          "allocatedMB" : 0,
+          "allocatedVCores" : 0,
+          "runningContainers" : 1
        } 
     ]
   }
@@ -1245,6 +1251,9 @@ ResourceManager REST API's.
     <amContainerLogs>http://host.domain.com:8042/node/containerlogs/container_1326815542473_0001
 _01_000001</amContainerLogs>
     <amHostHttpAddress>host.domain.com:8042</amHostHttpAddress>
+    <allocatedMB>0</allocatedMB>
+    <allocatedVCores>0</allocatedVCores>
+    <runningContainers>0</runningContainers>
   </app>
   <app>
     <id>application_1326815542473_0002</id>
@@ -1264,6 +1273,9 @@ _01_000001</amContainerLogs>
     <elapsedTime>148166</elapsedTime>
     <amContainerLogs>http://host.domain.com:8042/node/containerlogs/container_1326815542473_0002_01_000001</amContainerLogs>
     <amHostHttpAddress>host.domain.com:8042</amHostHttpAddress>
+    <allocatedMB>0</allocatedMB>
+    <allocatedVCores>0</allocatedVCores>
+    <runningContainers>0</runningContainers>
   </app>
 </apps>
 
@@ -1457,6 +1469,12 @@ _01_000001</amContainerLogs>
 *---------------+--------------+--------------------------------+
 | amHostHttpAddress | string | The nodes http address of the application master |
 *---------------+--------------+--------------------------------+
+| allocatedMB | int | The sum of memory in MB allocated to the application's running containers |
+*---------------------------------------------------------------+
+| allocatedVCores | int | The sum of virtual cores allocated to the application's running containers |
++---------------------------------------------------------------+
+| runningContainers | int | The number of containers currently running for the application |
++---------------------------------------------------------------+
 
 ** Response Examples