YARN-9085. Add Guaranteed and MaxCapacity to CSQueueMetrics

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

@@ -24,6 +24,7 @@
 import org.apache.hadoop.metrics2.annotation.Metrics;
 import org.apache.hadoop.metrics2.lib.DefaultMetricsSystem;
 import org.apache.hadoop.metrics2.lib.MutableGaugeFloat;
+import org.apache.hadoop.metrics2.lib.MutableGaugeInt;
 import org.apache.hadoop.metrics2.lib.MutableGaugeLong;
 import org.apache.hadoop.yarn.api.records.Resource;
 import org.apache.hadoop.yarn.server.resourcemanager.nodelabels.RMNodeLabelsManager;
@@ -46,6 +47,14 @@ public class CSQueueMetrics extends QueueMetrics {
   MutableGaugeFloat usedCapacity;
   @Metric("Percent of Absolute Capacity Used")
   MutableGaugeFloat absoluteUsedCapacity;
+  @Metric("Guaranteed memory in MB")
+  MutableGaugeLong guaranteedMB;
+  @Metric("Guaranteed CPU in virtual cores")
+  MutableGaugeInt guaranteedVCores;
+  @Metric("Maximum memory in MB")
+  MutableGaugeLong maxCapacityMB;
+  @Metric("Maximum CPU in virtual cores")
+  MutableGaugeInt maxCapacityVCores;
 
   CSQueueMetrics(MetricsSystem ms, String queueName, Queue parent,
       boolean enableUserMetrics, Configuration conf) {
@@ -126,6 +135,36 @@ public void setAbsoluteUsedCapacity(String partition,
     }
   }
 
+  public long getGuaranteedMB() {
+    return guaranteedMB.value();
+  }
+
+  public int getGuaranteedVCores() {
+    return guaranteedVCores.value();
+  }
+
+  public void setGuaranteedResources(String partition, Resource res) {
+    if (partition == null || partition.equals(RMNodeLabelsManager.NO_LABEL)) {
+      guaranteedMB.set(res.getMemorySize());
+      guaranteedVCores.set(res.getVirtualCores());
+    }
+  }
+
+  public long getMaxCapacityMB() {
+    return maxCapacityMB.value();
+  }
+
+  public int getMaxCapacityVCores() {
+    return maxCapacityVCores.value();
+  }
+
+  public void setMaxCapacityResources(String partition, Resource res) {
+    if (partition == null || partition.equals(RMNodeLabelsManager.NO_LABEL)) {
+      maxCapacityMB.set(res.getMemorySize());
+      maxCapacityVCores.set(res.getVirtualCores());
+    }
+  }
+
   public synchronized static CSQueueMetrics forQueue(String queueName,
       Queue parent, boolean enableUserMetrics, Configuration conf) {
     MetricsSystem ms = DefaultMetricsSystem.instance();

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

@@ -314,4 +314,21 @@ public static void updateQueueStatistics(
     childQueue.getMetrics().setAvailableResourcesToQueue(nodePartition,
         getMaxAvailableResourceToQueue(rc, nlm, childQueue, cluster));
    }
+
+  /**
+   * Updated configured capacity/max-capacity for queue.
+   * @param rc resource calculator
+   * @param partitionResource total cluster resources for this partition
+   * @param partition partition being updated
+   * @param queue queue
+   */
+   public static void updateConfiguredCapacityMetrics(ResourceCalculator rc,
+       Resource partitionResource, String partition, AbstractCSQueue queue) {
+     queue.getMetrics().setGuaranteedResources(partition, rc.multiplyAndNormalizeDown(
+         partitionResource, queue.getQueueCapacities().getAbsoluteCapacity(partition),
+         queue.getMinimumAllocation()));
+     queue.getMetrics().setMaxCapacityResources(partition, rc.multiplyAndNormalizeDown(
+         partitionResource, queue.getQueueCapacities().getAbsoluteMaximumCapacity(partition),
+         queue.getMinimumAllocation()));
+   }
 }

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

@@ -1823,6 +1823,10 @@ public void updateClusterResource(Resource clusterResource,
       // Update metrics
       CSQueueUtils.updateQueueStatistics(resourceCalculator, clusterResource,
           this, labelManager, null);
+      // Update configured capacity/max-capacity for default partition only
+      CSQueueUtils.updateConfiguredCapacityMetrics(resourceCalculator,
+          labelManager.getResourceByLabel(null, clusterResource),
+          RMNodeLabelsManager.NO_LABEL, this);
 
       // queue metrics are updated, more resource may be available
       // activate the pending applications if possible

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

@@ -911,6 +911,10 @@ public void updateClusterResource(Resource clusterResource,
 
       CSQueueUtils.updateQueueStatistics(resourceCalculator, clusterResource,
           this, labelManager, null);
+      // Update configured capacity/max-capacity for default partition only
+      CSQueueUtils.updateConfiguredCapacityMetrics(resourceCalculator,
+          labelManager.getResourceByLabel(null, clusterResource),
+          RMNodeLabelsManager.NO_LABEL, this);
     } finally {
       writeLock.unlock();
     }

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/TestCapacityScheduler.java

@@ -5128,4 +5128,48 @@ public void testMoveAppWithActiveUsersWithOnlyPendingApps() throws Exception {
     assertEquals(4, appsInB1.size());
     rm.close();
   }
+
+  @Test
+  public void testCSQueueMetrics() throws Exception {
+    CapacityScheduler cs = new CapacityScheduler();
+    cs.setConf(new YarnConfiguration());
+    cs.setRMContext(resourceManager.getRMContext());
+    CapacitySchedulerConfiguration conf = new CapacitySchedulerConfiguration();
+    setupQueueConfiguration(conf);
+    cs.init(conf);
+    cs.start();
+
+    RMNode n1 = MockNodes.newNodeInfo(0, MockNodes.newResource(50 * GB), 1, "n1");
+    RMNode n2 = MockNodes.newNodeInfo(0, MockNodes.newResource(50 * GB), 2, "n2");
+    cs.handle(new NodeAddedSchedulerEvent(n1));
+    cs.handle(new NodeAddedSchedulerEvent(n2));
+
+    assertEquals(10240, ((CSQueueMetrics)cs.getQueue("a").getMetrics()).getGuaranteedMB());
+    assertEquals(71680, ((CSQueueMetrics)cs.getQueue("b1").getMetrics()).getGuaranteedMB());
+    assertEquals(102400, ((CSQueueMetrics)cs.getQueue("a").getMetrics()).getMaxCapacityMB());
+    assertEquals(102400, ((CSQueueMetrics)cs.getQueue("b1").getMetrics()).getMaxCapacityMB());
+
+    // Remove a node, metrics should be updated
+    cs.handle(new NodeRemovedSchedulerEvent(n2));
+    assertEquals(5120, ((CSQueueMetrics)cs.getQueue("a").getMetrics()).getGuaranteedMB());
+    assertEquals(35840, ((CSQueueMetrics)cs.getQueue("b1").getMetrics()).getGuaranteedMB());
+    assertEquals(51200, ((CSQueueMetrics)cs.getQueue("a").getMetrics()).getMaxCapacityMB());
+    assertEquals(51200, ((CSQueueMetrics)cs.getQueue("b1").getMetrics()).getMaxCapacityMB());
+
+    // Add child queue to a, and reinitialize. Metrics should be updated
+    conf.setQueues(CapacitySchedulerConfiguration.ROOT + ".a", new String[] {"a1", "a2", "a3"} );
+    conf.setCapacity(CapacitySchedulerConfiguration.ROOT + ".a.a2", 30.0f);
+    conf.setCapacity(CapacitySchedulerConfiguration.ROOT + ".a.a3", 40.0f);
+    conf.setMaximumCapacity(CapacitySchedulerConfiguration.ROOT + ".a.a3", 50.0f);
+
+    cs.reinitialize(conf, new RMContextImpl(null, null, null, null, null,
+        null, new RMContainerTokenSecretManager(conf),
+        new NMTokenSecretManagerInRM(conf),
+        new ClientToAMTokenSecretManagerInRM(), null));
+
+    assertEquals(1024, ((CSQueueMetrics)cs.getQueue("a2").getMetrics()).getGuaranteedMB());
+    assertEquals(2048, ((CSQueueMetrics)cs.getQueue("a3").getMetrics()).getGuaranteedMB());
+    assertEquals(51200, ((CSQueueMetrics)cs.getQueue("a2").getMetrics()).getMaxCapacityMB());
+    assertEquals(25600, ((CSQueueMetrics)cs.getQueue("a3").getMetrics()).getMaxCapacityMB());
+  }
 }