YARN-5264. Store all queue-specific information in FSQueue. (Yufei Gu via kasha)

(cherry picked from commit f6ea9be547)

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

@@ -22,6 +22,8 @@
 import java.util.Map;
 import java.util.Set;
 
+import org.apache.commons.logging.Log;
+import org.apache.commons.logging.LogFactory;
 import org.apache.hadoop.conf.Configuration;
 import org.apache.hadoop.security.UserGroupInformation;
 import org.apache.hadoop.security.authorize.AccessControlList;
@@ -37,6 +39,7 @@
 import com.google.common.annotations.VisibleForTesting;
 
 public class AllocationConfiguration extends ReservationSchedulerConfiguration {
+  private static final Log LOG = LogFactory.getLog(FSQueue.class.getName());
   private static final AccessControlList EVERYBODY_ACL = new AccessControlList("*");
   private static final AccessControlList NOBODY_ACL = new AccessControlList(" ");
   private static final ResourceCalculator RESOURCE_CALCULATOR =
@@ -242,26 +245,24 @@ public boolean isPreemptable(String queueName) {
     return !nonPreemptableQueues.contains(queueName);
   }
 
-  public ResourceWeights getQueueWeight(String queue) {
+  private ResourceWeights getQueueWeight(String queue) {
     ResourceWeights weight = queueWeights.get(queue);
     return (weight == null) ? ResourceWeights.NEUTRAL : weight;
   }
 
-  public void setQueueWeight(String queue, ResourceWeights weight) {
-    queueWeights.put(queue, weight);
-  }
-  
   public int getUserMaxApps(String user) {
     Integer maxApps = userMaxApps.get(user);
     return (maxApps == null) ? userMaxAppsDefault : maxApps;
   }
 
-  public int getQueueMaxApps(String queue) {
+  @VisibleForTesting
+  int getQueueMaxApps(String queue) {
     Integer maxApps = queueMaxApps.get(queue);
     return (maxApps == null) ? queueMaxAppsDefault : maxApps;
   }
 
-  public float getQueueMaxAMShare(String queue) {
+  @VisibleForTesting
+  float getQueueMaxAMShare(String queue) {
     Float maxAMShare = queueMaxAMShares.get(queue);
     return (maxAMShare == null) ? queueMaxAMShareDefault : maxAMShare;
   }
@@ -273,21 +274,12 @@ public float getQueueMaxAMShare(String queue) {
    * @return the min allocation on this queue or {@link Resources#none}
    * if not set
    */
-  public Resource getMinResources(String queue) {
+  @VisibleForTesting
+  Resource getMinResources(String queue) {
     Resource minQueueResource = minQueueResources.get(queue);
     return (minQueueResource == null) ? Resources.none() : minQueueResource;
   }
 
-  /**
-   * Set the maximum resource allocation for the given queue.
-   *
-   * @param queue the target queue
-   * @param maxResource the maximum resource allocation
-   */
-  void setMaxResources(String queue, Resource maxResource) {
-    maxQueueResources.put(queue, maxResource);
-  }
-
   /**
    * Get the maximum resource allocation for the given queue. If the max in not
    * set, return the larger of the min and the default max.
@@ -295,7 +287,8 @@ void setMaxResources(String queue, Resource maxResource) {
    * @param queue the target queue's name
    * @return the max allocation on this queue
    */
-  public Resource getMaxResources(String queue) {
+  @VisibleForTesting
+  Resource getMaxResources(String queue) {
     Resource maxQueueResource = maxQueueResources.get(queue);
     if (maxQueueResource == null) {
       Resource minQueueResource = minQueueResources.get(queue);
@@ -317,21 +310,11 @@ public Resource getMaxResources(String queue) {
    * @param queue the target queue's name
    * @return the max allocation on this queue or null if not set
    */
-  public Resource getMaxChildResources(String queue) {
+  @VisibleForTesting
+  Resource getMaxChildResources(String queue) {
     return maxChildQueueResources.get(queue);
   }
 
-  /**
-   * Set the maximum resource allocation for the children of the given queue.
-   * Use of this method is primarily intended for testing purposes.
-   *
-   * @param queue the target queue
-   * @param maxResource the maximum resource allocation
-   */
-  void setMaxChildResources(String queue, Resource maxResource) {
-    maxChildQueueResources.put(queue, maxResource);
-  }
-
   public boolean hasAccess(String queueName, QueueACL acl,
       UserGroupInformation user) {
     int lastPeriodIndex = queueName.length();
@@ -347,7 +330,8 @@ public boolean hasAccess(String queueName, QueueACL acl,
     return false;
   }
 
-  public SchedulingPolicy getSchedulingPolicy(String queueName) {
+  @VisibleForTesting
+  SchedulingPolicy getSchedulingPolicy(String queueName) {
     SchedulingPolicy policy = schedulingPolicies.get(queueName);
     return (policy == null) ? defaultSchedulingPolicy : policy;
   }
@@ -423,4 +407,35 @@ public void setReservationWindow(long window) {
   public void setAverageCapacity(int avgCapacity) {
     globalReservationQueueConfig.setAverageCapacity(avgCapacity);
   }
+
+  /**
+   * Initialize a {@link FSQueue} with queue-specific properties and its
+   * metrics.
+   * @param queue the FSQueue needed to be initialized
+   * @param scheduler the scheduler which the queue belonged to
+   */
+  public void initFSQueue(FSQueue queue, FairScheduler scheduler){
+    // Set queue-specific properties.
+    String name = queue.getName();
+    queue.setWeights(getQueueWeight(name));
+    queue.setMinShare(getMinResources(name));
+    queue.setMaxShare(getMaxResources(name));
+    queue.setMaxRunningApps(getQueueMaxApps(name));
+    queue.setMaxAMShare(getQueueMaxAMShare(name));
+    queue.setMaxChildQueueResource(getMaxChildResources(name));
+    try {
+      SchedulingPolicy policy = getSchedulingPolicy(name);
+      policy.initialize(scheduler.getClusterResource());
+      queue.setPolicy(policy);
+    } catch (AllocationConfigurationException ex) {
+      LOG.warn("Failed to set the scheduling policy "
+          + getDefaultSchedulingPolicy(), ex);
+    }
+
+    // Set queue metrics.
+    queue.getMetrics().setMinShare(getMinResources(name));
+    queue.getMetrics().setMaxShare(getMaxResources(name));
+    queue.getMetrics().setMaxApps(getQueueMaxApps(name));
+    queue.getMetrics().setSchedulingPolicy(getSchedulingPolicy(name).getName());
+  }
 }

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

@@ -264,29 +264,27 @@ public Resource getAmResourceUsage() {
   public void updateDemand() {
     // Compute demand by iterating through apps in the queue
     // Limit demand to maxResources
-    Resource maxRes = scheduler.getAllocationConfiguration()
-        .getMaxResources(getName());
     demand = Resources.createResource(0);
     readLock.lock();
     try {
       for (FSAppAttempt sched : runnableApps) {
-        if (Resources.equals(demand, maxRes)) {
+        if (Resources.equals(demand, maxShare)) {
           break;
         }
-        updateDemandForApp(sched, maxRes);
+        updateDemandForApp(sched, maxShare);
       }
       for (FSAppAttempt sched : nonRunnableApps) {
-        if (Resources.equals(demand, maxRes)) {
+        if (Resources.equals(demand, maxShare)) {
           break;
         }
-        updateDemandForApp(sched, maxRes);
+        updateDemandForApp(sched, maxShare);
       }
     } finally {
       readLock.unlock();
     }
     if (LOG.isDebugEnabled()) {
       LOG.debug("The updated demand for " + getName() + " is " + demand
-          + "; the max is " + maxRes);
+          + "; the max is " + maxShare);
       LOG.debug("The updated fairshare for " + getName() + " is "
           + getFairShare());
     }
@@ -486,8 +484,6 @@ public ActiveUsersManager getActiveUsersManager() {
    * @return true if this queue can run
    */
   public boolean canRunAppAM(Resource amResource) {
-    float maxAMShare =
-        scheduler.getAllocationConfiguration().getQueueMaxAMShare(getName());
     if (Math.abs(maxAMShare - -1.0f) < 0.0001) {
       return true;
     }
@@ -543,8 +539,7 @@ public void updateStarvationStats() {
    * @param weight queue weight
    */
   public void setWeights(float weight) {
-    scheduler.getAllocationConfiguration().setQueueWeight(getName(),
+    this.weights = new ResourceWeights(weight);
-        new ResourceWeights(weight));
   }
 
   /**

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

@@ -152,8 +152,6 @@ public Resource getResourceUsage() {
   public void updateDemand() {
     // Compute demand by iterating through apps in the queue
     // Limit demand to maxResources
-    Resource maxRes = scheduler.getAllocationConfiguration()
-        .getMaxResources(getName());
     writeLock.lock();
     try {
       demand = Resources.createResource(0);
@@ -166,8 +164,8 @@ public void updateDemand() {
               " now " + demand);
         }
         demand = Resources.add(demand, toAdd);
-        demand = Resources.componentwiseMin(demand, maxRes);
+        demand = Resources.componentwiseMin(demand, maxShare);
-        if (Resources.equals(demand, maxRes)) {
+        if (Resources.equals(demand, maxShare)) {
           break;
         }
       }
@@ -176,7 +174,7 @@ public void updateDemand() {
     }
     if (LOG.isDebugEnabled()) {
       LOG.debug("The updated demand for " + getName() + " is " + demand +
-          "; the max is " + maxRes);
+          "; the max is " + maxShare);
     }    
   }
   

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

@@ -59,6 +59,15 @@ public abstract class FSQueue implements Queue, Schedulable {
   
   protected SchedulingPolicy policy = SchedulingPolicy.DEFAULT_POLICY;
 
+  protected ResourceWeights weights;
+  protected Resource minShare;
+  protected Resource maxShare;
+  protected int maxRunningApps;
+  protected Resource maxChildQueueResource;
+
+  // maxAMShare is a value between 0 and 1.
+  protected float maxAMShare;
+
   private long fairSharePreemptionTimeout = Long.MAX_VALUE;
   private long minSharePreemptionTimeout = Long.MAX_VALUE;
   private float fairSharePreemptionThreshold = 0.5f;
@@ -68,15 +77,20 @@ public FSQueue(String name, FairScheduler scheduler, FSParentQueue parent) {
     this.name = name;
     this.scheduler = scheduler;
     this.metrics = FSQueueMetrics.forQueue(getName(), parent, true, scheduler.getConf());
-    metrics.setMinShare(getMinShare());
-    metrics.setMaxShare(getMaxShare());
-
-    AllocationConfiguration allocConf = scheduler.getAllocationConfiguration();
-    metrics.setMaxApps(allocConf.getQueueMaxApps(name));
-    metrics.setSchedulingPolicy(allocConf.getSchedulingPolicy(name).getName());
     this.parent = parent;
   }
 
+  /**
+   * Initialize a queue by setting its queue-specific properties and its
+   * metrics.
+   * This function is invoked when a new queue is created or reloading the
+   * allocation configuration.
+   */
+  public void init() {
+    AllocationConfiguration allocConf = scheduler.getAllocationConfiguration();
+    allocConf.initFSQueue(this, scheduler);
+  }
+
   public String getName() {
     return name;
   }
@@ -103,19 +117,51 @@ protected void throwPolicyDoesnotApplyException(SchedulingPolicy policy)
   public abstract void setPolicy(SchedulingPolicy policy)
       throws AllocationConfigurationException;
 
+  public void setWeights(ResourceWeights weights){
+    this.weights = weights;
+  }
+
   @Override
   public ResourceWeights getWeights() {
-    return scheduler.getAllocationConfiguration().getQueueWeight(getName());
+    return weights;
+  }
+
+  public void setMinShare(Resource minShare){
+    this.minShare = minShare;
   }
 
   @Override
   public Resource getMinShare() {
-    return scheduler.getAllocationConfiguration().getMinResources(getName());
+    return minShare;
+  }
+
+  public void setMaxShare(Resource maxShare){
+    this.maxShare = maxShare;
   }
 
   @Override
   public Resource getMaxShare() {
-    return scheduler.getAllocationConfiguration().getMaxResources(getName());
+    return maxShare;
+  }
+
+  public void setMaxChildQueueResource(Resource maxChildShare){
+    this.maxChildQueueResource = maxChildShare;
+  }
+
+  public Resource getMaxChildQueueResource() {
+    return maxChildQueueResource;
+  }
+
+  public void setMaxRunningApps(int maxRunningApps){
+    this.maxRunningApps = maxRunningApps;
+  }
+
+  public int getMaxRunningApps() {
+    return maxRunningApps;
+  }
+
+  public void setMaxAMShare(float maxAMShare){
+    this.maxAMShare = maxAMShare;
   }
 
   @Override
@@ -302,8 +348,7 @@ public abstract void collectSchedulerApplications(
    * @return true if check passes (can assign) or false otherwise
    */
   protected boolean assignContainerPreCheck(FSSchedulerNode node) {
-    if (!Resources.fitsIn(getResourceUsage(),
+    if (!Resources.fitsIn(getResourceUsage(), maxShare)
-        scheduler.getAllocationConfiguration().getMaxResources(getName()))
         || node.getReservedContainer() != null) {
       return false;
     }

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

@@ -1599,11 +1599,10 @@ private void applyChildDefaults() {
       if ((queue.getParent() != null) &&
           !configuredLeafQueues.contains(queue.getName()) &&
           !configuredParentQueues.contains(queue.getName())) {
-        Resource max =
+        Resource max = queue.getParent().getMaxChildQueueResource();
-            allocConf.getMaxChildResources(queue.getParent().getName());
 
         if (max != null) {
-          allocConf.setMaxResources(queue.getName(), max);
+          queue.setMaxShare(max);
         }
       }
     }
@@ -1665,7 +1664,7 @@ private void verifyMoveDoesNotViolateConstraints(FSAppAttempt app,
     FSQueue cur = targetQueue;
     while (cur != lowestCommonAncestor) {
       // maxRunningApps
-      if (cur.getNumRunnableApps() == allocConf.getQueueMaxApps(cur.getQueueName())) {
+      if (cur.getNumRunnableApps() == cur.getMaxRunningApps()) {
         throw new YarnException("Moving app attempt " + appAttId + " to queue "
             + queueName + " would violate queue maxRunningApps constraints on"
             + " queue " + cur.getQueueName());

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

@@ -66,8 +66,7 @@ public boolean canAppBeRunnable(FSQueue queue, String user) {
     }
     // Check queue and all parent queues
     while (queue != null) {
-      int queueMaxApps = allocConf.getQueueMaxApps(queue.getName());
+      if (queue.getNumRunnableApps() >= queue.getMaxRunningApps()) {
-      if (queue.getNumRunnableApps() >= queueMaxApps) {
         return false;
       }
       queue = queue.getParent();
@@ -143,11 +142,10 @@ public void updateRunnabilityOnAppRemoval(FSAppAttempt app, FSLeafQueue queue) {
     // Thus we find the ancestor queue highest in the tree for which the app
     // that was at its maxRunningApps before the removal.
     FSQueue highestQueueWithAppsNowRunnable = (queue.getNumRunnableApps() ==
-        allocConf.getQueueMaxApps(queue.getName()) - 1) ? queue : null;
+        queue.getMaxRunningApps() - 1) ? queue : null;
     FSParentQueue parent = queue.getParent();
     while (parent != null) {
-      if (parent.getNumRunnableApps() == allocConf.getQueueMaxApps(parent
+      if (parent.getNumRunnableApps() == parent.getMaxRunningApps() - 1) {
-          .getName()) - 1) {
         highestQueueWithAppsNowRunnable = parent;
       }
       parent = parent.getParent();
@@ -265,8 +263,7 @@ public void untrackNonRunnableApp(FSAppAttempt app) {
    */
   private void gatherPossiblyRunnableAppLists(FSQueue queue,
       List<List<FSAppAttempt>> appLists) {
-    if (queue.getNumRunnableApps() < scheduler.getAllocationConfiguration()
+    if (queue.getNumRunnableApps() < queue.getMaxRunningApps()) {
-        .getQueueMaxApps(queue.getName())) {
       if (queue instanceof FSLeafQueue) {
         appLists.add(
             ((FSLeafQueue)queue).getCopyOfNonRunnableAppSchedulables());

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

@@ -73,6 +73,7 @@ public FSParentQueue getRootQueue() {
   public void initialize(Configuration conf) throws IOException,
       SAXException, AllocationConfigurationException, ParserConfigurationException {
     rootQueue = new FSParentQueue("root", scheduler, null);
+    rootQueue.init();
     queues.put(rootQueue.getName(), rootQueue);
 
     // Create the default queue
@@ -273,31 +274,14 @@ private FSQueue createNewQueues(FSQueueType queueType,
       // Only create a leaf queue at the very end
       if (!i.hasNext() && (queueType != FSQueueType.PARENT)) {
         FSLeafQueue leafQueue = new FSLeafQueue(queueName, scheduler, parent);
-
-        try {
-          leafQueue.setPolicy(queueConf.getDefaultSchedulingPolicy());
-        } catch (AllocationConfigurationException ex) {
-          LOG.warn("Failed to set default scheduling policy "
-              + queueConf.getDefaultSchedulingPolicy()
-              + " on new leaf queue.", ex);
-        }
-
         leafQueues.add(leafQueue);
         queue = leafQueue;
       } else {
         newParent = new FSParentQueue(queueName, scheduler, parent);
-
-        try {
-          newParent.setPolicy(queueConf.getDefaultSchedulingPolicy());
-        } catch (AllocationConfigurationException ex) {
-          LOG.warn("Failed to set default scheduling policy "
-              + queueConf.getDefaultSchedulingPolicy()
-              + " on new parent queue.", ex);
-        }
-
         queue = newParent;
       }
 
+      queue.init();
       parent.addChildQueue(queue);
       setChildResourceLimits(parent, queue, queueConf);
       queues.put(queue.getName(), queue);
@@ -331,10 +315,10 @@ void setChildResourceLimits(FSParentQueue parent, FSQueue child,
         !configuredQueues.get(FSQueueType.PARENT).contains(child.getName())) {
       // For ad hoc queues, set their max reource allocations based on
       // their parents' default child settings.
-      Resource maxChild = queueConf.getMaxChildResources(parent.getName());
+      Resource maxChild = parent.getMaxChildQueueResource();
 
       if (maxChild != null) {
-        queueConf.setMaxResources(child.getName(), maxChild);
+        child.setMaxShare(maxChild);
       }
     }
   }
@@ -515,22 +499,7 @@ public void updateAllocationConfiguration(AllocationConfiguration queueConf) {
     rootQueue.recomputeSteadyShares();
 
     for (FSQueue queue : queues.values()) {
-      // Update queue metrics
+      queue.init();
-      FSQueueMetrics queueMetrics = queue.getMetrics();
-      queueMetrics.setMinShare(queue.getMinShare());
-      queueMetrics.setMaxShare(queue.getMaxShare());
-      // Set scheduling policies and update queue metrics
-      try {
-        SchedulingPolicy policy = queueConf.getSchedulingPolicy(queue.getName());
-        policy.initialize(scheduler.getClusterResource());
-        queue.setPolicy(policy);
-
-        queueMetrics.setMaxApps(queueConf.getQueueMaxApps(queue.getName()));
-        queueMetrics.setSchedulingPolicy(policy.getName());
-      } catch (AllocationConfigurationException ex) {
-        LOG.warn("Cannot apply configured scheduling policy to queue "
-            + queue.getName(), ex);
-      }
     }
 
     // Update steady fair shares for all queues

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

@@ -101,7 +101,7 @@ public FairSchedulerQueueInfo(FSQueue queue, FairScheduler scheduler) {
     fractionMemMinShare = (float)minResources.getMemorySize() / clusterResources.getMemorySize();
     fractionMemMaxShare = (float)maxResources.getMemorySize() / clusterResources.getMemorySize();
     
-    maxApps = allocConf.getQueueMaxApps(queueName);
+    maxApps = queue.getMaxRunningApps();
 
     pendingContainers = queue.getMetrics().getPendingContainers();
     allocatedContainers = queue.getMetrics().getAllocatedContainers();

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/fair/TestAppRunnability.java

@@ -247,8 +247,8 @@ public void testMoveNonRunnableApp() throws Exception {
     QueueManager queueMgr = scheduler.getQueueManager();
     FSLeafQueue oldQueue = queueMgr.getLeafQueue("queue1", true);
     FSLeafQueue targetQueue = queueMgr.getLeafQueue("queue2", true);
-    scheduler.getAllocationConfiguration().queueMaxApps.put("root.queue1", 0);
+    oldQueue.setMaxRunningApps(0);
-    scheduler.getAllocationConfiguration().queueMaxApps.put("root.queue2", 0);
+    targetQueue.setMaxRunningApps(0);
 
     ApplicationAttemptId appAttId =
         createSchedulingRequest(1024, 1, "queue1", "user1", 3);
@@ -265,7 +265,7 @@ public void testMoveMakesAppRunnable() throws Exception {
     QueueManager queueMgr = scheduler.getQueueManager();
     FSLeafQueue oldQueue = queueMgr.getLeafQueue("queue1", true);
     FSLeafQueue targetQueue = queueMgr.getLeafQueue("queue2", true);
-    scheduler.getAllocationConfiguration().queueMaxApps.put("root.queue1", 0);
+    oldQueue.setMaxRunningApps(0);
 
     ApplicationAttemptId appAttId =
         createSchedulingRequest(1024, 1, "queue1", "user1", 3);

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/fair/TestFSLeafQueue.java

@@ -22,7 +22,6 @@
 import static org.junit.Assert.assertFalse;
 import static org.junit.Assert.assertTrue;
 import static org.mockito.Mockito.mock;
-import static org.mockito.Mockito.when;
 
 import java.io.File;
 import java.io.FileWriter;
@@ -80,16 +79,11 @@ public void testUpdateDemand() {
     resourceManager = new MockRM(conf);
     resourceManager.start();
     scheduler = (FairScheduler) resourceManager.getResourceScheduler();
-    scheduler.allocConf = mock(AllocationConfiguration.class);
 
     String queueName = "root.queue1";
-    when(scheduler.allocConf.getMaxResources(queueName)).thenReturn(maxResource);
-    when(scheduler.allocConf.getMinResources(queueName)).thenReturn(Resources.none());
-    when(scheduler.allocConf.getQueueMaxApps(queueName)).
-        thenReturn(Integer.MAX_VALUE);
-    when(scheduler.allocConf.getSchedulingPolicy(queueName))
-        .thenReturn(SchedulingPolicy.DEFAULT_POLICY);
     FSLeafQueue schedulable = new FSLeafQueue(queueName, scheduler, null);
+    schedulable.init();
+    schedulable.setMaxShare(maxResource);
     assertEquals(schedulable.getMetrics().getMaxApps(), Integer.MAX_VALUE);
     assertEquals(schedulable.getMetrics().getSchedulingPolicy(),
         SchedulingPolicy.DEFAULT_POLICY.getName());

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/fair/TestFairScheduler.java

@@ -4348,8 +4348,8 @@ public void testMoveWouldViolateMaxAppsConstraints() throws Exception {
     scheduler.reinitialize(conf, resourceManager.getRMContext());
 
     QueueManager queueMgr = scheduler.getQueueManager();
-    queueMgr.getLeafQueue("queue2", true);
+    FSQueue queue2 = queueMgr.getLeafQueue("queue2", true);
-    scheduler.getAllocationConfiguration().queueMaxApps.put("root.queue2", 0);
+    queue2.setMaxRunningApps(0);
 
     ApplicationAttemptId appAttId =
         createSchedulingRequest(1024, 1, "queue1", "user1", 3);
@@ -4365,9 +4365,8 @@ public void testMoveWouldViolateMaxResourcesConstraints() throws Exception {
 
     QueueManager queueMgr = scheduler.getQueueManager();
     FSLeafQueue oldQueue = queueMgr.getLeafQueue("queue1", true);
-    queueMgr.getLeafQueue("queue2", true);
+    FSQueue queue2 = queueMgr.getLeafQueue("queue2", true);
-    scheduler.getAllocationConfiguration().maxQueueResources.put("root.queue2",
+    queue2.setMaxShare(Resource.newInstance(1024, 1));
-        Resource.newInstance(1024, 1));
 
     ApplicationAttemptId appAttId =
         createSchedulingRequest(1024, 1, "queue1", "user1", 3);

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/fair/TestMaxRunningAppsEnforcer.java

@@ -37,7 +37,6 @@
 
 public class TestMaxRunningAppsEnforcer {
   private QueueManager queueManager;
-  private Map<String, Integer> queueMaxApps;
   private Map<String, Integer> userMaxApps;
   private MaxRunningAppsEnforcer maxAppsEnforcer;
   private int appNum;
@@ -59,7 +58,6 @@ public void setup() throws Exception {
     
     queueManager = new QueueManager(scheduler);
     queueManager.initialize(conf);
-    queueMaxApps = allocConf.queueMaxApps;
     userMaxApps = allocConf.userMaxApps;
     maxAppsEnforcer = new MaxRunningAppsEnforcer(scheduler);
     appNum = 0;
@@ -90,11 +88,12 @@ private void removeApp(FSAppAttempt app) {
   
   @Test
   public void testRemoveDoesNotEnableAnyApp() {
+    FSParentQueue root = queueManager.getRootQueue();
     FSLeafQueue leaf1 = queueManager.getLeafQueue("root.queue1", true);
     FSLeafQueue leaf2 = queueManager.getLeafQueue("root.queue2", true);
-    queueMaxApps.put("root", 2);
+    root.setMaxRunningApps(2);
-    queueMaxApps.put("root.queue1", 1);
+    leaf1.setMaxRunningApps(1);
-    queueMaxApps.put("root.queue2", 1);
+    leaf2.setMaxRunningApps(1);
     FSAppAttempt app1 = addApp(leaf1, "user");
     addApp(leaf2, "user");
     addApp(leaf2, "user");
@@ -111,7 +110,8 @@ public void testRemoveDoesNotEnableAnyApp() {
   public void testRemoveEnablesAppOnCousinQueue() {
     FSLeafQueue leaf1 = queueManager.getLeafQueue("root.queue1.subqueue1.leaf1", true);
     FSLeafQueue leaf2 = queueManager.getLeafQueue("root.queue1.subqueue2.leaf2", true);
-    queueMaxApps.put("root.queue1", 2);
+    FSParentQueue queue1 = queueManager.getParentQueue("root.queue1", true);
+    queue1.setMaxRunningApps(2);
     FSAppAttempt app1 = addApp(leaf1, "user");
     addApp(leaf2, "user");
     addApp(leaf2, "user");
@@ -128,7 +128,7 @@ public void testRemoveEnablesAppOnCousinQueue() {
   public void testRemoveEnablesOneByQueueOneByUser() {
     FSLeafQueue leaf1 = queueManager.getLeafQueue("root.queue1.leaf1", true);
     FSLeafQueue leaf2 = queueManager.getLeafQueue("root.queue1.leaf2", true);
-    queueMaxApps.put("root.queue1.leaf1", 2);
+    leaf1.setMaxRunningApps(2);
     userMaxApps.put("user1", 1);
     FSAppAttempt app1 = addApp(leaf1, "user1");
     addApp(leaf1, "user2");
@@ -148,7 +148,8 @@ public void testRemoveEnablesOneByQueueOneByUser() {
   public void testRemoveEnablingOrderedByStartTime() {
     FSLeafQueue leaf1 = queueManager.getLeafQueue("root.queue1.subqueue1.leaf1", true);
     FSLeafQueue leaf2 = queueManager.getLeafQueue("root.queue1.subqueue2.leaf2", true);
-    queueMaxApps.put("root.queue1", 2);
+    FSParentQueue queue1 = queueManager.getParentQueue("root.queue1", true);
+    queue1.setMaxRunningApps(2);
     FSAppAttempt app1 = addApp(leaf1, "user");
     addApp(leaf2, "user");
     addApp(leaf2, "user");
@@ -168,7 +169,8 @@ public void testRemoveEnablingOrderedByStartTime() {
   public void testMultipleAppsWaitingOnCousinQueue() {
     FSLeafQueue leaf1 = queueManager.getLeafQueue("root.queue1.subqueue1.leaf1", true);
     FSLeafQueue leaf2 = queueManager.getLeafQueue("root.queue1.subqueue2.leaf2", true);
-    queueMaxApps.put("root.queue1", 2);
+    FSParentQueue queue1 = queueManager.getParentQueue("root.queue1", true);
+    queue1.setMaxRunningApps(2);
     FSAppAttempt app1 = addApp(leaf1, "user");
     addApp(leaf2, "user");
     addApp(leaf2, "user");

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/fair/TestQueueManager.java

@@ -45,8 +45,6 @@ public void setUp() throws Exception {
 
     // Set up some queues to test default child max resource inheritance
     allocConf.configuredQueues.get(FSQueueType.PARENT).add("root.test");
-    allocConf.setMaxChildResources("root.test",
-        Resources.createResource(8192, 256));
     allocConf.configuredQueues.get(FSQueueType.LEAF).add("root.test.childA");
     allocConf.configuredQueues.get(FSQueueType.PARENT).add("root.test.childB");
 
@@ -207,16 +205,17 @@ public void testCreateQueueWithChildDefaults() {
     AllocationConfiguration allocConf = scheduler.getAllocationConfiguration();
 
     queueManager.updateAllocationConfiguration(allocConf);
+    queueManager.getQueue("root.test").setMaxChildQueueResource(
+        Resources.createResource(8192, 256));
 
     FSQueue q1 = queueManager.createQueue("root.test.childC", FSQueueType.LEAF);
-
     assertNotNull("Leaf queue root.test.childC was not created",
         queueManager.getLeafQueue("root.test.childC", false));
     assertEquals("createQueue() returned wrong queue",
         "root.test.childC", q1.getName());
     assertEquals("Max resources for root.queue1 were not inherited from "
         + "parent's max child resources", Resources.createResource(8192, 256),
-        allocConf.getMaxResources("root.test.childC"));
+        q1.getMaxShare());
 
     FSQueue q2 = queueManager.createQueue("root.test.childD",
         FSQueueType.PARENT);
@@ -228,7 +227,7 @@ public void testCreateQueueWithChildDefaults() {
     assertEquals("Max resources for root.test.childD were not inherited "
         + "from parent's max child resources",
         Resources.createResource(8192, 256),
-        allocConf.getMaxResources("root.test.childD"));
+        q2.getMaxShare());
 
     // Check that the childA and childB queues weren't impacted
     // by the child defaults
@@ -236,12 +235,12 @@ public void testCreateQueueWithChildDefaults() {
         queueManager.getLeafQueue("root.test.childA", false));
     assertEquals("Max resources for root.test.childA were inherited from "
         + "parent's max child resources", Resources.unbounded(),
-        allocConf.getMaxResources("root.test.childA"));
+        queueManager.getLeafQueue("root.test.childA", false).getMaxShare());
     assertNotNull("Leaf queue root.test.childB was not created during setup",
         queueManager.getParentQueue("root.test.childB", false));
     assertEquals("Max resources for root.test.childB were inherited from "
         + "parent's max child resources", Resources.unbounded(),
-        allocConf.getMaxResources("root.test.childB"));
+        queueManager.getParentQueue("root.test.childB", false).getMaxShare());
   }
 
   /**
@@ -260,11 +259,11 @@ public void testCreateLeafQueueWithDefaults() {
     // Min default is 0,0
     assertEquals("Min resources were not set to default",
         Resources.createResource(0, 0),
-        allocConf.getMinResources("root.queue1"));
+        q1.getMinShare());
 
     // Max default is unbounded
     assertEquals("Max resources were not set to default", Resources.unbounded(),
-        allocConf.getMaxResources("root.queue1"));
+        q1.getMaxShare());
   }
 
   /**