YARN-2995. Enhance UI to show cluster resource utilization of various container Execution types. (Konstantinos Karanasos via asuresh)

hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-app/src/main/java/org/apache/hadoop/mapreduce/v2/app/rm/RMContainerAllocator.java

@@ -240,6 +240,8 @@ public class RMContainerAllocator extends RMContainerRequestor
     this.scheduledRequests.setNumOpportunisticMapsPer100(
         conf.getInt(MRJobConfig.MR_NUM_OPPORTUNISTIC_MAPS_PER_100,
             MRJobConfig.DEFAULT_MR_NUM_OPPORTUNISTIC_MAPS_PER_100));
+    LOG.info(this.scheduledRequests.getNumOpportunisticMapsPer100() +
+        "% of the mappers will be scheduled using OPPORTUNISTIC containers");
   }
 
   @Override
@@ -1060,6 +1062,10 @@ public class RMContainerAllocator extends RMContainerRequestor
       this.numOpportunisticMapsPer100 = numMaps;
     }
 
+    int getNumOpportunisticMapsPer100() {
+      return this.numOpportunisticMapsPer100;
+    }
+
     @VisibleForTesting
     final LinkedHashMap<TaskAttemptId, ContainerRequest> reduces =
       new LinkedHashMap<TaskAttemptId, ContainerRequest>();

hadoop-tools/hadoop-sls/src/main/java/org/apache/hadoop/yarn/sls/nodemanager/NodeInfo.java

@@ -36,7 +36,7 @@ import org.apache.hadoop.yarn.api.records.NodeState;
 import org.apache.hadoop.yarn.api.records.Resource;
 import org.apache.hadoop.yarn.api.records.ResourceUtilization;
 import org.apache.hadoop.yarn.server.api.protocolrecords.NodeHeartbeatResponse;
-import org.apache.hadoop.yarn.server.api.records.QueuedContainersStatus;
+import org.apache.hadoop.yarn.server.api.records.OpportunisticContainersStatus;
 import org.apache.hadoop.yarn.server.resourcemanager.nodelabels.RMNodeLabelsManager;
 import org.apache.hadoop.yarn.server.resourcemanager.rmnode.RMNode;
 import org.apache.hadoop.yarn.server.resourcemanager.rmnode
@@ -191,7 +191,7 @@ public class NodeInfo {
       return null;
     }
 
-    public QueuedContainersStatus getQueuedContainersStatus() {
+    public OpportunisticContainersStatus getOpportunisticContainersStatus() {
       return null;
     }
 

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

@@ -29,7 +29,7 @@ import org.apache.hadoop.yarn.api.records.NodeState;
 import org.apache.hadoop.yarn.api.records.Resource;
 import org.apache.hadoop.yarn.api.records.ResourceUtilization;
 import org.apache.hadoop.yarn.server.api.protocolrecords.NodeHeartbeatResponse;
-import org.apache.hadoop.yarn.server.api.records.QueuedContainersStatus;
+import org.apache.hadoop.yarn.server.api.records.OpportunisticContainersStatus;
 import org.apache.hadoop.yarn.server.resourcemanager.nodelabels.RMNodeLabelsManager;
 import org.apache.hadoop.yarn.server.resourcemanager.rmnode.RMNode;
 import org.apache.hadoop.yarn.server.resourcemanager.rmnode
@@ -180,7 +180,7 @@ public class RMNodeWrapper implements RMNode {
     return Collections.EMPTY_LIST;
   }
 
-  public QueuedContainersStatus getQueuedContainersStatus() {
+  public OpportunisticContainersStatus getOpportunisticContainersStatus() {
     return null;
   }
 

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-common/src/main/java/org/apache/hadoop/yarn/server/api/records/NodeStatus.java

@@ -125,10 +125,11 @@ public abstract class NodeStatus {
 
   @Private
   @Unstable
-  public abstract QueuedContainersStatus getQueuedContainersStatus();
+  public abstract OpportunisticContainersStatus
+      getOpportunisticContainersStatus();
 
   @Private
   @Unstable
-  public abstract void setQueuedContainersStatus(
+  public abstract void setOpportunisticContainersStatus(
-      QueuedContainersStatus queuedContainersStatus);
+      OpportunisticContainersStatus opportunisticContainersStatus);
 }

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-common/src/main/java/org/apache/hadoop/yarn/server/api/records/OpportunisticContainersStatus.java

@@ -0,0 +1,152 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.apache.hadoop.yarn.server.api.records;
+
+import org.apache.hadoop.classification.InterfaceAudience.Private;
+import org.apache.hadoop.classification.InterfaceStability.Unstable;
+import org.apache.hadoop.yarn.util.Records;
+
+/**
+ * <p> <code>OpportunisticContainersStatus</code> captures information
+ * pertaining to the state of execution of the opportunistic containers within a
+ * node. </p>
+ */
+@Private
+@Unstable
+public abstract class OpportunisticContainersStatus {
+  public static OpportunisticContainersStatus newInstance() {
+    return Records.newRecord(OpportunisticContainersStatus.class);
+  }
+
+  /**
+   * Returns the number of currently running opportunistic containers on the
+   * node.
+   *
+   * @return number of running opportunistic containers.
+   */
+  @Private
+  @Unstable
+  public abstract int getRunningOpportContainers();
+
+  /**
+   * Sets the number of running opportunistic containers.
+   *
+   * @param runningOpportContainers number of running opportunistic containers.
+   */
+  @Private
+  @Unstable
+  public abstract void setRunningOpportContainers(int runningOpportContainers);
+
+  /**
+   * Returns memory currently used on the node for running opportunistic
+   * containers.
+   *
+   * @return memory (in bytes) used for running opportunistic containers.
+   */
+  @Private
+  @Unstable
+  public abstract long getOpportMemoryUsed();
+
+  /**
+   * Sets the memory used on the node for running opportunistic containers.
+   *
+   * @param opportMemoryUsed memory (in bytes) used for running opportunistic
+   *                         containers.
+   */
+  @Private
+  @Unstable
+  public abstract void setOpportMemoryUsed(long opportMemoryUsed);
+
+  /**
+   * Returns CPU cores currently used on the node for running opportunistic
+   * containers.
+   *
+   * @return CPU cores used for running opportunistic containers.
+   */
+  @Private
+  @Unstable
+  public abstract int getOpportCoresUsed();
+
+  /**
+   * Sets the CPU cores used on the node for running opportunistic containers.
+   *
+   * @param opportCoresUsed memory (in bytes) used for running opportunistic
+   *                         containers.
+   */
+  @Private
+  @Unstable
+  public abstract void setOpportCoresUsed(int opportCoresUsed);
+
+  /**
+   * Returns the number of queued opportunistic containers on the node.
+   *
+   * @return number of queued opportunistic containers.
+   */
+  @Private
+  @Unstable
+  public abstract int getQueuedOpportContainers();
+
+  /**
+   * Sets the number of queued opportunistic containers on the node.
+   *
+   * @param queuedOpportContainers number of queued opportunistic containers.
+   */
+  @Private
+  @Unstable
+  public abstract void setQueuedOpportContainers(int queuedOpportContainers);
+
+  /**
+   * Returns the length of the containers queue on the node.
+   *
+   * @return length of the containers queue.
+   */
+  @Private
+  @Unstable
+  public abstract int getWaitQueueLength();
+
+  /**
+   * Sets the length of the containers queue on the node.
+   *
+   * @param waitQueueLength length of the containers queue.
+   */
+  @Private
+  @Unstable
+  public abstract void setWaitQueueLength(int waitQueueLength);
+
+  /**
+   * Returns the estimated time that a container will have to wait if added to
+   * the queue of the node.
+   *
+   * @return estimated queuing time.
+   */
+  @Private
+  @Unstable
+  public abstract int getEstimatedQueueWaitTime();
+
+  /**
+   * Sets the estimated time that a container will have to wait if added to the
+   * queue of the node.
+   *
+   * @param queueWaitTime estimated queuing time.
+   */
+  @Private
+  @Unstable
+  public abstract void setEstimatedQueueWaitTime(int queueWaitTime);
+
+}

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-common/src/main/java/org/apache/hadoop/yarn/server/api/records/QueuedContainersStatus.java

@@ -1,45 +0,0 @@
-/**
- * Licensed to the Apache Software Foundation (ASF) under one
- * or more contributor license agreements.  See the NOTICE file
- * distributed with this work for additional information
- * regarding copyright ownership.  The ASF licenses this file
- * to you under the Apache License, Version 2.0 (the
- * "License"); you may not use this file except in compliance
- * with the License.  You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package org.apache.hadoop.yarn.server.api.records;
-
-import org.apache.hadoop.classification.InterfaceAudience.Private;
-import org.apache.hadoop.classification.InterfaceStability.Evolving;
-import org.apache.hadoop.yarn.util.Records;
-
-/**
- * <p>
- * <code>QueuedContainersStatus</code> captures information pertaining to the
- * state of execution of the Queueable containers within a node.
- * </p>
- */
-@Private
-@Evolving
-public abstract class QueuedContainersStatus {
-  public static QueuedContainersStatus newInstance() {
-    return Records.newRecord(QueuedContainersStatus.class);
-  }
-
-  public abstract int getEstimatedQueueWaitTime();
-
-  public abstract void setEstimatedQueueWaitTime(int queueWaitTime);
-
-  public abstract int getWaitQueueLength();
-
-  public abstract void setWaitQueueLength(int waitQueueLength);
-}

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-common/src/main/java/org/apache/hadoop/yarn/server/api/records/impl/pb/NodeStatusPBImpl.java

@@ -41,9 +41,9 @@ import org.apache.hadoop.yarn.proto.YarnProtos.NodeIdProto;
 import org.apache.hadoop.yarn.proto.YarnServerCommonProtos.NodeHealthStatusProto;
 import org.apache.hadoop.yarn.proto.YarnServerCommonProtos.NodeStatusProto;
 import org.apache.hadoop.yarn.proto.YarnServerCommonProtos.NodeStatusProtoOrBuilder;
-import org.apache.hadoop.yarn.proto.YarnServerCommonProtos.QueuedContainersStatusProto;
+import org.apache.hadoop.yarn.proto.YarnServerCommonProtos.OpportunisticContainersStatusProto;
 
-import org.apache.hadoop.yarn.server.api.records.QueuedContainersStatus;
+import org.apache.hadoop.yarn.server.api.records.OpportunisticContainersStatus;
 import org.apache.hadoop.yarn.server.api.records.NodeHealthStatus;
 import org.apache.hadoop.yarn.server.api.records.NodeStatus;
 
@@ -404,25 +404,25 @@ public class NodeStatusPBImpl extends NodeStatus {
   }
 
   @Override
-  public synchronized QueuedContainersStatus getQueuedContainersStatus() {
+  public synchronized OpportunisticContainersStatus
-    NodeStatusProtoOrBuilder p =
+      getOpportunisticContainersStatus() {
-        this.viaProto ? this.proto : this.builder;
+    NodeStatusProtoOrBuilder p = this.viaProto ? this.proto : this.builder;
-    if (!p.hasQueuedContainerStatus()) {
+    if (!p.hasOpportunisticContainersStatus()) {
       return null;
     }
-    return convertFromProtoFormat(p.getQueuedContainerStatus());
+    return convertFromProtoFormat(p.getOpportunisticContainersStatus());
   }
 
   @Override
-  public synchronized void setQueuedContainersStatus(
+  public synchronized void setOpportunisticContainersStatus(
-      QueuedContainersStatus queuedContainersStatus) {
+      OpportunisticContainersStatus opportunisticContainersStatus) {
     maybeInitBuilder();
-    if (queuedContainersStatus == null) {
+    if (opportunisticContainersStatus == null) {
-      this.builder.clearQueuedContainerStatus();
+      this.builder.clearOpportunisticContainersStatus();
       return;
     }
-    this.builder.setQueuedContainerStatus(
+    this.builder.setOpportunisticContainersStatus(
-        convertToProtoFormat(queuedContainersStatus));
+        convertToProtoFormat(opportunisticContainersStatus));
   }
 
   private NodeIdProto convertToProtoFormat(NodeId nodeId) {
@@ -468,14 +468,14 @@ public class NodeStatusPBImpl extends NodeStatus {
     return new ResourceUtilizationPBImpl(p);
   }
 
-  private QueuedContainersStatusProto convertToProtoFormat(
+  private OpportunisticContainersStatusProto convertToProtoFormat(
-      QueuedContainersStatus r) {
+      OpportunisticContainersStatus r) {
-    return ((QueuedContainersStatusPBImpl) r).getProto();
+    return ((OpportunisticContainersStatusPBImpl) r).getProto();
   }
 
-  private QueuedContainersStatus convertFromProtoFormat(
+  private OpportunisticContainersStatus convertFromProtoFormat(
-      QueuedContainersStatusProto p) {
+      OpportunisticContainersStatusProto p) {
-    return new QueuedContainersStatusPBImpl(p);
+    return new OpportunisticContainersStatusPBImpl(p);
   }
 
   private ContainerPBImpl convertFromProtoFormat(

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-common/src/main/java/org/apache/hadoop/yarn/server/api/records/impl/pb/OpportunisticContainersStatusPBImpl.java

@@ -0,0 +1,139 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.apache.hadoop.yarn.server.api.records.impl.pb;
+
+import org.apache.hadoop.yarn.proto.YarnServerCommonProtos;
+import org.apache.hadoop.yarn.server.api.records.OpportunisticContainersStatus;
+
+/**
+ * Protocol Buffer implementation of OpportunisticContainersStatus.
+ */
+public class OpportunisticContainersStatusPBImpl
+    extends OpportunisticContainersStatus {
+
+  private YarnServerCommonProtos.OpportunisticContainersStatusProto proto =
+      YarnServerCommonProtos.OpportunisticContainersStatusProto
+          .getDefaultInstance();
+  private YarnServerCommonProtos.OpportunisticContainersStatusProto.Builder
+      builder = null;
+  private boolean viaProto = false;
+
+  public OpportunisticContainersStatusPBImpl() {
+    builder =
+        YarnServerCommonProtos.OpportunisticContainersStatusProto.newBuilder();
+  }
+
+  public OpportunisticContainersStatusPBImpl(YarnServerCommonProtos
+      .OpportunisticContainersStatusProto proto) {
+    this.proto = proto;
+    viaProto = true;
+  }
+
+  public YarnServerCommonProtos.OpportunisticContainersStatusProto getProto() {
+    proto = viaProto ? proto : builder.build();
+    viaProto = true;
+    return proto;
+  }
+
+  private void maybeInitBuilder() {
+    if (viaProto || builder == null) {
+      builder = YarnServerCommonProtos.OpportunisticContainersStatusProto
+          .newBuilder(proto);
+    }
+    viaProto = false;
+  }
+
+  @Override
+  public int getRunningOpportContainers() {
+    YarnServerCommonProtos.OpportunisticContainersStatusProtoOrBuilder p =
+        viaProto ? proto : builder;
+    return p.getRunningOpportContainers();
+  }
+
+  @Override
+  public void setRunningOpportContainers(int runningOpportContainers) {
+    maybeInitBuilder();
+    builder.setRunningOpportContainers(runningOpportContainers);
+  }
+
+  @Override
+  public long getOpportMemoryUsed() {
+    YarnServerCommonProtos.OpportunisticContainersStatusProtoOrBuilder p =
+        viaProto ? proto : builder;
+    return p.getOpportMemoryUsed();
+  }
+
+  @Override
+  public void setOpportMemoryUsed(long opportMemoryUsed) {
+    maybeInitBuilder();
+    builder.setOpportMemoryUsed(opportMemoryUsed);
+  }
+
+  @Override
+  public int getOpportCoresUsed() {
+    YarnServerCommonProtos.OpportunisticContainersStatusProtoOrBuilder p =
+        viaProto ? proto : builder;
+    return p.getOpportCoresUsed();
+  }
+
+  @Override
+  public void setOpportCoresUsed(int opportCoresUsed) {
+    maybeInitBuilder();
+    builder.setOpportCoresUsed(opportCoresUsed);
+  }
+
+  @Override
+  public int getQueuedOpportContainers() {
+    YarnServerCommonProtos.OpportunisticContainersStatusProtoOrBuilder p =
+        viaProto ? proto : builder;
+    return p.getQueuedOpportContainers();
+  }
+
+  @Override
+  public void setQueuedOpportContainers(int queuedOpportContainers) {
+    maybeInitBuilder();
+    builder.setQueuedOpportContainers(queuedOpportContainers);
+  }
+
+  @Override
+  public int getWaitQueueLength() {
+    YarnServerCommonProtos.OpportunisticContainersStatusProtoOrBuilder p =
+        viaProto ? proto : builder;
+    return p.getWaitQueueLength();
+  }
+
+  @Override
+  public void setWaitQueueLength(int waitQueueLength) {
+    maybeInitBuilder();
+    builder.setWaitQueueLength(waitQueueLength);
+  }
+
+  @Override
+  public int getEstimatedQueueWaitTime() {
+    YarnServerCommonProtos.OpportunisticContainersStatusProtoOrBuilder p =
+        viaProto ? proto : builder;
+    return p.getEstimatedQueueWaitTime();
+  }
+
+  @Override
+  public void setEstimatedQueueWaitTime(int queueWaitTime) {
+    maybeInitBuilder();
+    builder.setEstimatedQueueWaitTime(queueWaitTime);
+  }
+}

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-common/src/main/java/org/apache/hadoop/yarn/server/api/records/impl/pb/QueuedContainersStatusPBImpl.java

@@ -1,84 +0,0 @@
-/**
- * Licensed to the Apache Software Foundation (ASF) under one
- * or more contributor license agreements.  See the NOTICE file
- * distributed with this work for additional information
- * regarding copyright ownership.  The ASF licenses this file
- * to you under the Apache License, Version 2.0 (the
- * "License"); you may not use this file except in compliance
- * with the License.  You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package org.apache.hadoop.yarn.server.api.records.impl.pb;
-
-import org.apache.hadoop.yarn.proto.YarnServerCommonProtos;
-import org.apache.hadoop.yarn.server.api.records.QueuedContainersStatus;
-
-/**
- * Protocol Buffer implementation of QueuedContainersStatus.
- */
-public class QueuedContainersStatusPBImpl extends QueuedContainersStatus {
-
-  private YarnServerCommonProtos.QueuedContainersStatusProto proto =
-      YarnServerCommonProtos.QueuedContainersStatusProto.getDefaultInstance();
-  private YarnServerCommonProtos.QueuedContainersStatusProto.Builder builder =
-      null;
-  private boolean viaProto = false;
-
-  public QueuedContainersStatusPBImpl() {
-    builder = YarnServerCommonProtos.QueuedContainersStatusProto.newBuilder();
-  }
-
-  public QueuedContainersStatusPBImpl(YarnServerCommonProtos
-      .QueuedContainersStatusProto proto) {
-    this.proto = proto;
-    viaProto = true;
-  }
-
-  public YarnServerCommonProtos.QueuedContainersStatusProto getProto() {
-    proto = viaProto ? proto : builder.build();
-    viaProto = true;
-    return proto;
-  }
-
-  private void maybeInitBuilder() {
-    if (viaProto || builder == null) {
-      builder =
-          YarnServerCommonProtos.QueuedContainersStatusProto.newBuilder(proto);
-    }
-    viaProto = false;
-  }
-
-  @Override
-  public int getEstimatedQueueWaitTime() {
-    YarnServerCommonProtos.QueuedContainersStatusProtoOrBuilder p =
-        viaProto ? proto : builder;
-    return p.getEstimatedQueueWaitTime();
-  }
-
-  @Override
-  public void setEstimatedQueueWaitTime(int queueWaitTime) {
-    maybeInitBuilder();
-    builder.setEstimatedQueueWaitTime(queueWaitTime);
-  }
-
-  @Override
-  public int getWaitQueueLength() {
-    YarnServerCommonProtos.QueuedContainersStatusProtoOrBuilder p =
-        viaProto ? proto : builder;
-    return p.getWaitQueueLength();
-  }
-
-  @Override
-  public void setWaitQueueLength(int waitQueueLength) {
-    maybeInitBuilder();
-    builder.setWaitQueueLength(waitQueueLength);
-  }
-}

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-common/src/main/proto/yarn_server_common_protos.proto

@@ -39,12 +39,16 @@ message NodeStatusProto {
   optional ResourceUtilizationProto containers_utilization = 6;
   optional ResourceUtilizationProto node_utilization = 7;
   repeated ContainerProto increased_containers = 8;
-  optional QueuedContainersStatusProto queued_container_status = 9;
+  optional OpportunisticContainersStatusProto opportunistic_containers_status = 9;
 }
 
-message QueuedContainersStatusProto {
+message OpportunisticContainersStatusProto {
-  optional int32 estimated_queue_wait_time = 1;
+  optional int32 running_opport_containers = 1;
-  optional int32 wait_queue_length = 2;
+  optional int64 opport_memory_used = 2;
+  optional int32 opport_cores_used = 3;
+  optional int32 queued_opport_containers = 4;
+  optional int32 wait_queue_length = 5;
+  optional int32 estimated_queue_wait_time = 6;
 }
 
 message MasterKeyProto {

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-common/src/test/java/org/apache/hadoop/yarn/server/api/protocolrecords/TestProtocolRecords.java

@@ -48,7 +48,7 @@ import org.apache.hadoop.yarn.server.api.protocolrecords.impl.pb.NodeHeartbeatRe
 import org.apache.hadoop.yarn.server.api.protocolrecords.impl.pb.RegisterNodeManagerRequestPBImpl;
 
 import org.apache.hadoop.yarn.server.api.records.NodeStatus;
-import org.apache.hadoop.yarn.server.api.records.QueuedContainersStatus;
+import org.apache.hadoop.yarn.server.api.records.OpportunisticContainersStatus;
 import org.apache.hadoop.yarn.util.Records;
 import org.junit.Assert;
 import org.junit.Test;
@@ -146,11 +146,11 @@ public class TestProtocolRecords {
         Records.newRecord(NodeHeartbeatRequest.class);
     NodeStatus nodeStatus =
         Records.newRecord(NodeStatus.class);
-    QueuedContainersStatus queuedContainersStatus = Records.newRecord
+    OpportunisticContainersStatus opportunisticContainersStatus =
-        (QueuedContainersStatus.class);
+        Records.newRecord(OpportunisticContainersStatus.class);
-    queuedContainersStatus.setEstimatedQueueWaitTime(123);
+    opportunisticContainersStatus.setEstimatedQueueWaitTime(123);
-    queuedContainersStatus.setWaitQueueLength(321);
+    opportunisticContainersStatus.setWaitQueueLength(321);
-    nodeStatus.setQueuedContainersStatus(queuedContainersStatus);
+    nodeStatus.setOpportunisticContainersStatus(opportunisticContainersStatus);
     record.setNodeStatus(nodeStatus);
 
     NodeHeartbeatRequestPBImpl pb = new
@@ -159,9 +159,10 @@ public class TestProtocolRecords {
 
     Assert.assertEquals(123,
         pb.getNodeStatus()
-            .getQueuedContainersStatus().getEstimatedQueueWaitTime());
+            .getOpportunisticContainersStatus().getEstimatedQueueWaitTime());
     Assert.assertEquals(321,
-        pb.getNodeStatus().getQueuedContainersStatus().getWaitQueueLength());
+        pb.getNodeStatus().getOpportunisticContainersStatus()
+            .getWaitQueueLength());
   }
 
   @Test

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/java/org/apache/hadoop/yarn/server/nodemanager/NodeStatusUpdaterImpl.java

@@ -75,7 +75,7 @@ import org.apache.hadoop.yarn.server.api.protocolrecords.RegisterNodeManagerResp
 import org.apache.hadoop.yarn.server.api.protocolrecords.UnRegisterNodeManagerRequest;
 
 import org.apache.hadoop.yarn.server.api.records.ContainerQueuingLimit;
-import org.apache.hadoop.yarn.server.api.records.QueuedContainersStatus;
+import org.apache.hadoop.yarn.server.api.records.OpportunisticContainersStatus;
 import org.apache.hadoop.yarn.server.api.records.MasterKey;
 import org.apache.hadoop.yarn.server.api.records.NodeAction;
 import org.apache.hadoop.yarn.server.api.records.NodeHealthStatus;
@@ -465,16 +465,21 @@ public class NodeStatusUpdaterImpl extends AbstractService implements
           createKeepAliveApplicationList(), nodeHealthStatus,
           containersUtilization, nodeUtilization, increasedContainers);
 
-    nodeStatus.setQueuedContainersStatus(getQueuedContainerStatus());
+    nodeStatus.setOpportunisticContainersStatus(
+        getOpportunisticContainersStatus());
     return nodeStatus;
   }
 
-  private QueuedContainersStatus getQueuedContainerStatus() {
+  /**
-    QueuedContainersStatus status = QueuedContainersStatus.newInstance();
+   * Get the status of the OPPORTUNISTIC containers.
-    status.setWaitQueueLength(
+   * @return the status of the OPPORTUNISTIC containers.
-        this.context.getQueuingContext().getQueuedContainers().size());
+   */
+  private OpportunisticContainersStatus getOpportunisticContainersStatus() {
+    OpportunisticContainersStatus status =
+        this.context.getContainerManager().getOpportunisticContainersStatus();
     return status;
   }
+
   /**
    * Get the aggregated utilization of the containers in this node.
    * @return Resource utilization of all the containers.

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/java/org/apache/hadoop/yarn/server/nodemanager/containermanager/ContainerManager.java

@@ -22,6 +22,7 @@ import org.apache.hadoop.service.ServiceStateChangeListener;
 import org.apache.hadoop.yarn.api.ContainerManagementProtocol;
 import org.apache.hadoop.yarn.event.EventHandler;
 import org.apache.hadoop.yarn.server.api.records.ContainerQueuingLimit;
+import org.apache.hadoop.yarn.server.api.records.OpportunisticContainersStatus;
 import org.apache.hadoop.yarn.server.nodemanager.ContainerManagerEvent;
 import org.apache.hadoop.yarn.server.nodemanager.containermanager.monitor
     .ContainersMonitor;
@@ -35,6 +36,8 @@ public interface ContainerManager extends ServiceStateChangeListener,
 
   ContainersMonitor getContainersMonitor();
 
+  OpportunisticContainersStatus getOpportunisticContainersStatus();
+
   void updateQueuingLimit(ContainerQueuingLimit queuingLimit);
 
   void setBlockNewContainerRequests(boolean blockNewContainerRequests);

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/java/org/apache/hadoop/yarn/server/nodemanager/containermanager/ContainerManagerImpl.java

@@ -88,6 +88,7 @@ import org.apache.hadoop.yarn.security.ContainerTokenIdentifier;
 import org.apache.hadoop.yarn.security.NMTokenIdentifier;
 import org.apache.hadoop.yarn.server.api.ContainerType;
 import org.apache.hadoop.yarn.server.api.records.ContainerQueuingLimit;
+import org.apache.hadoop.yarn.server.api.records.OpportunisticContainersStatus;
 import org.apache.hadoop.yarn.server.nodemanager.CMgrCompletedAppsEvent;
 import org.apache.hadoop.yarn.server.nodemanager.CMgrCompletedContainersEvent;
 import org.apache.hadoop.yarn.server.nodemanager.CMgrDecreaseContainersResourceEvent;
@@ -1520,9 +1521,14 @@ public class ContainerManagerImpl extends CompositeService implements
     return serviceStopped;
   }
 
+  @Override
+  public OpportunisticContainersStatus getOpportunisticContainersStatus() {
+    return null;
+  }
+
   @Override
   public void updateQueuingLimit(ContainerQueuingLimit queuingLimit) {
-    LOG.trace("Implementation does not support queuing of Containers !!");
+    LOG.trace("Implementation does not support queuing of Containers!!");
   }
 
   @SuppressWarnings("unchecked")

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/java/org/apache/hadoop/yarn/server/nodemanager/containermanager/monitor/ContainersMonitorImpl.java

@@ -304,21 +304,21 @@ public class ContainersMonitorImpl extends AbstractService implements
     /**
      * @return Virtual memory limit for the process tree in bytes
      */
-    synchronized long getVmemLimit() {
+    public synchronized long getVmemLimit() {
       return this.vmemLimit;
     }
 
     /**
      * @return Physical memory limit for the process tree in bytes
      */
-    synchronized long getPmemLimit() {
+    public synchronized long getPmemLimit() {
       return this.pmemLimit;
     }
 
     /**
      * @return Number of cpu vcores assigned
      */
-    synchronized int getCpuVcores() {
+    public synchronized int getCpuVcores() {
       return this.cpuVcores;
     }
 

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/java/org/apache/hadoop/yarn/server/nodemanager/containermanager/queuing/QueuingContainerManagerImpl.java

@@ -46,6 +46,7 @@ import org.apache.hadoop.yarn.exceptions.YarnException;
 import org.apache.hadoop.yarn.security.ContainerTokenIdentifier;
 import org.apache.hadoop.yarn.security.NMTokenIdentifier;
 import org.apache.hadoop.yarn.server.api.records.ContainerQueuingLimit;
+import org.apache.hadoop.yarn.server.api.records.OpportunisticContainersStatus;
 import org.apache.hadoop.yarn.server.nodemanager.ContainerExecutor;
 import org.apache.hadoop.yarn.server.nodemanager.Context;
 import org.apache.hadoop.yarn.server.nodemanager.DeletionService;
@@ -80,10 +81,14 @@ public class QueuingContainerManagerImpl extends ContainerManagerImpl {
   private ConcurrentMap<ContainerId, AllocatedContainerInfo>
         allocatedOpportunisticContainers;
 
+  private long allocatedMemoryOpportunistic;
+  private int allocatedVCoresOpportunistic;
+
   private Queue<AllocatedContainerInfo> queuedGuaranteedContainers;
   private Queue<AllocatedContainerInfo> queuedOpportunisticContainers;
 
   private Set<ContainerId> opportunisticContainersToKill;
+  private final OpportunisticContainersStatus opportunisticContainersStatus;
   private final ContainerQueuingLimit queuingLimit;
 
   public QueuingContainerManagerImpl(Context context, ContainerExecutor exec,
@@ -93,10 +98,14 @@ public class QueuingContainerManagerImpl extends ContainerManagerImpl {
         dirsHandler);
     this.allocatedGuaranteedContainers = new ConcurrentHashMap<>();
     this.allocatedOpportunisticContainers = new ConcurrentHashMap<>();
+    this.allocatedMemoryOpportunistic = 0;
+    this.allocatedVCoresOpportunistic = 0;
     this.queuedGuaranteedContainers = new ConcurrentLinkedQueue<>();
     this.queuedOpportunisticContainers = new ConcurrentLinkedQueue<>();
     this.opportunisticContainersToKill = Collections.synchronizedSet(
         new HashSet<ContainerId>());
+    this.opportunisticContainersStatus =
+        OpportunisticContainersStatus.newInstance();
     this.queuingLimit = ContainerQueuingLimit.newInstance();
   }
 
@@ -196,6 +205,8 @@ public class QueuingContainerManagerImpl extends ContainerManagerImpl {
     } else {
       allocatedOpportunisticContainers.put(pti.getContainerId(),
           allocatedContainerInfo);
+      allocatedMemoryOpportunistic += pti.getPmemLimit();
+      allocatedVCoresOpportunistic += pti.getCpuVcores();
     }
 
     getContainersMonitor().increaseContainersAllocation(pti);
@@ -267,6 +278,11 @@ public class QueuingContainerManagerImpl extends ContainerManagerImpl {
     if (contToRemove != null) {
       getContainersMonitor().decreaseContainersAllocation(contToRemove
           .getPti());
+
+      if (contToRemove.getExecutionType() == ExecutionType.OPPORTUNISTIC) {
+        allocatedMemoryOpportunistic -= contToRemove.getPti().getPmemLimit();
+        allocatedVCoresOpportunistic -= contToRemove.getPti().getCpuVcores();
+      }
     }
   }
 
@@ -556,6 +572,22 @@ public class QueuingContainerManagerImpl extends ContainerManagerImpl {
     }
   }
 
+  @Override
+  public OpportunisticContainersStatus getOpportunisticContainersStatus() {
+    opportunisticContainersStatus
+        .setRunningOpportContainers(allocatedOpportunisticContainers.size());
+    opportunisticContainersStatus
+        .setOpportMemoryUsed(allocatedMemoryOpportunistic);
+    opportunisticContainersStatus
+        .setOpportCoresUsed(allocatedVCoresOpportunistic);
+    opportunisticContainersStatus
+        .setQueuedOpportContainers(queuedOpportunisticContainers.size());
+    opportunisticContainersStatus.setWaitQueueLength(
+        queuedGuaranteedContainers.size() +
+            queuedOpportunisticContainers.size());
+    return opportunisticContainersStatus;
+  }
+
   @Override
   public void updateQueuingLimit(ContainerQueuingLimit limit) {
     this.queuingLimit.setMaxQueueLength(limit.getMaxQueueLength());

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/java/org/apache/hadoop/yarn/server/nodemanager/webapp/ContainerPage.java

@@ -86,6 +86,7 @@ public class ContainerPage extends NMView implements YarnWebParams {
         ._("User", info.getUser())
         ._("TotalMemoryNeeded", info.getMemoryNeeded())
         ._("TotalVCoresNeeded", info.getVCoresNeeded())
+        ._("ExecutionType", info.getExecutionType())
         ._("logs", info.getShortLogLink(), "Link to logs");
       html._(InfoBlock.class);
     }

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/java/org/apache/hadoop/yarn/server/nodemanager/webapp/dao/ContainerInfo.java

@@ -46,6 +46,7 @@ public class ContainerInfo {
   protected String user;
   protected long totalMemoryNeededMB;
   protected long totalVCoresNeeded;
+  private String executionType;
   protected String containerLogsLink;
   protected String nodeId;
   @XmlTransient
@@ -84,6 +85,8 @@ public class ContainerInfo {
       this.totalMemoryNeededMB = res.getMemorySize();
       this.totalVCoresNeeded = res.getVirtualCores();
     }
+    this.executionType =
+        container.getContainerTokenIdentifier().getExecutionType().name();
     this.containerLogsShortLink = ujoin("containerlogs", this.id,
         container.getUser());
 
@@ -143,6 +146,10 @@ public class ContainerInfo {
     return this.totalVCoresNeeded;
   }
 
+  public String getExecutionType() {
+    return this.executionType;
+  }
+
   public List<String> getContainerLogFiles() {
     return this.containerLogFiles;
   }

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/test/java/org/apache/hadoop/yarn/server/nodemanager/webapp/TestNMWebServicesContainers.java

@@ -515,7 +515,7 @@ public class TestNMWebServicesContainers extends JerseyTestBase {
 
   public void verifyNodeContainerInfo(JSONObject info, Container cont)
       throws JSONException, Exception {
-    assertEquals("incorrect number of elements", 10, info.length());
+    assertEquals("incorrect number of elements", 11, info.length());
 
     verifyNodeContainerInfoGeneric(cont, info.getString("id"),
         info.getString("state"), info.getString("user"),

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

@@ -81,8 +81,9 @@ import java.util.List;
 
 /**
  * The OpportunisticContainerAllocatorAMService is started instead of the
- * ApplicationMasterService if distributed scheduling is enabled for the YARN
+ * ApplicationMasterService if opportunistic scheduling is enabled for the YARN
- * cluster.
+ * cluster (either centralized or distributed opportunistic scheduling).
+ *
  * It extends the functionality of the ApplicationMasterService by servicing
  * clients (AMs and AMRMProxy request interceptors) that understand the
  * DistributedSchedulingProtocol.

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/rmnode/RMNode.java

@@ -31,7 +31,7 @@ import org.apache.hadoop.yarn.api.records.NodeState;
 import org.apache.hadoop.yarn.api.records.Resource;
 import org.apache.hadoop.yarn.api.records.ResourceUtilization;
 import org.apache.hadoop.yarn.server.api.protocolrecords.NodeHeartbeatResponse;
-import org.apache.hadoop.yarn.server.api.records.QueuedContainersStatus;
+import org.apache.hadoop.yarn.server.api.records.OpportunisticContainersStatus;
 
 /**
  * Node managers information on available resources 
@@ -170,7 +170,7 @@ public interface RMNode {
   
   public List<Container> pullNewlyIncreasedContainers();
 
-  QueuedContainersStatus getQueuedContainersStatus();
+  OpportunisticContainersStatus getOpportunisticContainersStatus();
 
   long getUntrackedTimeStamp();
 

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/rmnode/RMNodeImpl.java

@@ -61,7 +61,7 @@ import org.apache.hadoop.yarn.nodelabels.CommonNodeLabelsManager;
 import org.apache.hadoop.yarn.server.api.protocolrecords.LogAggregationReport;
 import org.apache.hadoop.yarn.server.api.protocolrecords.NMContainerStatus;
 import org.apache.hadoop.yarn.server.api.protocolrecords.NodeHeartbeatResponse;
-import org.apache.hadoop.yarn.server.api.records.QueuedContainersStatus;
+import org.apache.hadoop.yarn.server.api.records.OpportunisticContainersStatus;
 import org.apache.hadoop.yarn.server.api.records.NodeHealthStatus;
 import org.apache.hadoop.yarn.server.resourcemanager.ClusterMetrics;
 import org.apache.hadoop.yarn.server.resourcemanager.NodesListManagerEvent;
@@ -134,7 +134,7 @@ public class RMNodeImpl implements RMNode, EventHandler<RMNodeEvent> {
   private ResourceUtilization nodeUtilization;
 
   /* Container Queue Information for the node.. Used by Distributed Scheduler */
-  private QueuedContainersStatus queuedContainersStatus;
+  private OpportunisticContainersStatus opportunisticContainersStatus;
 
   private final ContainerAllocationExpirer containerAllocationExpirer;
   /* set of containers that have just launched */
@@ -1169,7 +1169,8 @@ public class RMNodeImpl implements RMNode, EventHandler<RMNodeEvent> {
     public NodeState transition(RMNodeImpl rmNode, RMNodeEvent event) {
 
       RMNodeStatusEvent statusEvent = (RMNodeStatusEvent) event;
-      rmNode.setQueuedContainersStatus(statusEvent.getContainerQueueInfo());
+      rmNode.setOpportunisticContainersStatus(
+          statusEvent.getOpportunisticContainersStatus());
       NodeHealthStatus remoteNodeHealthStatus = updateRMNodeFromStatusEvents(
           rmNode, statusEvent);
       NodeState initialState = rmNode.getState();
@@ -1480,22 +1481,22 @@ public class RMNodeImpl implements RMNode, EventHandler<RMNodeEvent> {
     return this.originalTotalCapability;
   }
 
-  public QueuedContainersStatus getQueuedContainersStatus() {
+  public OpportunisticContainersStatus getOpportunisticContainersStatus() {
     this.readLock.lock();
 
     try {
-      return this.queuedContainersStatus;
+      return this.opportunisticContainersStatus;
     } finally {
       this.readLock.unlock();
     }
   }
 
-  public void setQueuedContainersStatus(QueuedContainersStatus
+  public void setOpportunisticContainersStatus(
-      queuedContainersStatus) {
+      OpportunisticContainersStatus opportunisticContainersStatus) {
     this.writeLock.lock();
 
     try {
-      this.queuedContainersStatus = queuedContainersStatus;
+      this.opportunisticContainersStatus = opportunisticContainersStatus;
     } finally {
       this.writeLock.unlock();
     }

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/rmnode/RMNodeStatusEvent.java

@@ -28,7 +28,7 @@ import org.apache.hadoop.yarn.api.records.NodeId;
 import org.apache.hadoop.yarn.api.records.ResourceUtilization;
 import org.apache.hadoop.yarn.server.api.protocolrecords.LogAggregationReport;
 import org.apache.hadoop.yarn.server.api.protocolrecords.NodeHeartbeatResponse;
-import org.apache.hadoop.yarn.server.api.records.QueuedContainersStatus;
+import org.apache.hadoop.yarn.server.api.records.OpportunisticContainersStatus;
 import org.apache.hadoop.yarn.server.api.records.NodeHealthStatus;
 import org.apache.hadoop.yarn.server.api.records.NodeStatus;
 
@@ -80,8 +80,8 @@ public class RMNodeStatusEvent extends RMNodeEvent {
     return this.logAggregationReportsForApps;
   }
 
-  public QueuedContainersStatus getContainerQueueInfo() {
+  public OpportunisticContainersStatus getOpportunisticContainersStatus() {
-    return this.nodeStatus.getQueuedContainersStatus();
+    return this.nodeStatus.getOpportunisticContainersStatus();
   }
 
   public void setLogAggregationReportsForApps(

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

@@ -43,6 +43,7 @@ import org.apache.hadoop.yarn.api.records.Container;
 import org.apache.hadoop.yarn.api.records.ContainerId;
 import org.apache.hadoop.yarn.api.records.ContainerState;
 import org.apache.hadoop.yarn.api.records.ContainerStatus;
+import org.apache.hadoop.yarn.api.records.ExecutionType;
 import org.apache.hadoop.yarn.api.records.NodeId;
 import org.apache.hadoop.yarn.api.records.NodeState;
 import org.apache.hadoop.yarn.api.records.Priority;
@@ -570,7 +571,7 @@ public abstract class AbstractYarnScheduler
       return;
     }
 
-    if (!rmContainer.isRemotelyAllocated()) {
+    if (rmContainer.getExecutionType() == ExecutionType.GUARANTEED) {
       completedContainerInternal(rmContainer, containerStatus, event);
     } else {
       ContainerId containerId = rmContainer.getContainerId();

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

@@ -24,7 +24,7 @@ import org.apache.commons.logging.LogFactory;
 import org.apache.hadoop.yarn.api.records.NodeId;
 import org.apache.hadoop.yarn.api.records.ResourceOption;
 import org.apache.hadoop.yarn.server.api.protocolrecords.NMContainerStatus;
-import org.apache.hadoop.yarn.server.api.records.QueuedContainersStatus;
+import org.apache.hadoop.yarn.server.api.records.OpportunisticContainersStatus;
 import org.apache.hadoop.yarn.server.resourcemanager.ClusterMonitor;
 import org.apache.hadoop.yarn.server.resourcemanager.rmnode.RMNode;
 
@@ -195,11 +195,11 @@ public class NodeQueueLoadMonitor implements ClusterMonitor {
   @Override
   public void updateNode(RMNode rmNode) {
     LOG.debug("Node update event from: " + rmNode.getNodeID());
-    QueuedContainersStatus queuedContainersStatus =
+    OpportunisticContainersStatus opportunisticContainersStatus =
-        rmNode.getQueuedContainersStatus();
+        rmNode.getOpportunisticContainersStatus();
     int estimatedQueueWaitTime =
-        queuedContainersStatus.getEstimatedQueueWaitTime();
+        opportunisticContainersStatus.getEstimatedQueueWaitTime();
-    int waitQueueLength = queuedContainersStatus.getWaitQueueLength();
+    int waitQueueLength = opportunisticContainersStatus.getWaitQueueLength();
     // Add nodes to clusterNodes. If estimatedQueueTime is -1, ignore node
     // UNLESS comparator is based on queue length.
     ReentrantReadWriteLock.WriteLock writeLock = clusterNodesLock.writeLock();

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

@@ -18,17 +18,10 @@
 
 package org.apache.hadoop.yarn.server.resourcemanager.webapp;
 
-import static org.apache.hadoop.yarn.webapp.YarnWebParams.NODE_LABEL;
+import com.google.inject.Inject;
-import static org.apache.hadoop.yarn.webapp.YarnWebParams.NODE_STATE;
-import static org.apache.hadoop.yarn.webapp.view.JQueryUI.DATATABLES;
-import static org.apache.hadoop.yarn.webapp.view.JQueryUI.DATATABLES_ID;
-import static org.apache.hadoop.yarn.webapp.view.JQueryUI.initID;
-import static org.apache.hadoop.yarn.webapp.view.JQueryUI.tableInit;
-
-import java.util.Collection;
-
 import org.apache.hadoop.util.StringUtils;
 import org.apache.hadoop.yarn.api.records.NodeState;
+import org.apache.hadoop.yarn.conf.YarnConfiguration;
 import org.apache.hadoop.yarn.nodelabels.CommonNodeLabelsManager;
 import org.apache.hadoop.yarn.server.resourcemanager.ResourceManager;
 import org.apache.hadoop.yarn.server.resourcemanager.nodelabels.RMNodeLabelsManager;
@@ -42,18 +35,29 @@ import org.apache.hadoop.yarn.webapp.hamlet.Hamlet.TABLE;
 import org.apache.hadoop.yarn.webapp.hamlet.Hamlet.TBODY;
 import org.apache.hadoop.yarn.webapp.view.HtmlBlock;
 
-import com.google.inject.Inject;
+import java.util.Collection;
+
+import static org.apache.hadoop.yarn.webapp.YarnWebParams.NODE_LABEL;
+import static org.apache.hadoop.yarn.webapp.YarnWebParams.NODE_STATE;
+import static org.apache.hadoop.yarn.webapp.view.JQueryUI.DATATABLES;
+import static org.apache.hadoop.yarn.webapp.view.JQueryUI.DATATABLES_ID;
+import static org.apache.hadoop.yarn.webapp.view.JQueryUI.initID;
+import static org.apache.hadoop.yarn.webapp.view.JQueryUI.tableInit;
 
 class NodesPage extends RmView {
 
   static class NodesBlock extends HtmlBlock {
     final ResourceManager rm;
     private static final long BYTES_IN_MB = 1024 * 1024;
+    private static boolean opportunisticContainersEnabled;
 
     @Inject
     NodesBlock(ResourceManager rm, ViewContext ctx) {
       super(ctx);
       this.rm = rm;
+      this.opportunisticContainersEnabled = YarnConfiguration
+          .isOpportunisticContainerAllocationEnabled(
+              this.rm.getRMContext().getYarnConfiguration());
     }
 
     @Override
@@ -61,9 +65,10 @@ class NodesPage extends RmView {
       html._(MetricsOverviewTable.class);
 
       ResourceScheduler sched = rm.getResourceScheduler();
+
       String type = $(NODE_STATE);
       String labelFilter = $(NODE_LABEL, CommonNodeLabelsManager.ANY).trim();
-      TBODY<TABLE<Hamlet>> tbody =
+      Hamlet.TR<Hamlet.THEAD<TABLE<Hamlet>>> trbody =
           html.table("#nodes").thead().tr()
               .th(".nodelabels", "Node Labels")
               .th(".rack", "Rack")
@@ -71,13 +76,29 @@ class NodesPage extends RmView {
               .th(".nodeaddress", "Node Address")
               .th(".nodehttpaddress", "Node HTTP Address")
               .th(".lastHealthUpdate", "Last health-update")
-              .th(".healthReport", "Health-report")
+              .th(".healthReport", "Health-report");
-              .th(".containers", "Containers")
+
-              .th(".mem", "Mem Used")
+      if (!this.opportunisticContainersEnabled) {
-              .th(".mem", "Mem Avail")
+        trbody.th(".containers", "Containers")
-              .th(".vcores", "VCores Used")
+            .th(".mem", "Mem Used")
-              .th(".vcores", "VCores Avail")
+            .th(".mem", "Mem Avail")
-              .th(".nodeManagerVersion", "Version")._()._().tbody();
+            .th(".vcores", "VCores Used")
+            .th(".vcores", "VCores Avail");
+      } else {
+        trbody.th(".containers", "Running Containers (G)")
+            .th(".mem", "Mem Used (G)")
+            .th(".mem", "Mem Avail (G)")
+            .th(".vcores", "VCores Used (G)")
+            .th(".vcores", "VCores Avail (G)")
+            .th(".containers", "Running Containers (O)")
+            .th(".mem", "Mem Used (O)")
+            .th(".vcores", "VCores Used (O)")
+            .th(".containers", "Queued Containers");
+      }
+
+      TBODY<TABLE<Hamlet>> tbody =
+          trbody.th(".nodeManagerVersion", "Version")._()._().tbody();
+
       NodeState stateFilter = null;
       if (type != null && !type.isEmpty()) {
         stateFilter = NodeState.valueOf(StringUtils.toUpperCase(type));
@@ -153,7 +174,23 @@ class NodesPage extends RmView {
             .append("\",\"").append(String.valueOf(info.getUsedVirtualCores()))
             .append("\",\"")
             .append(String.valueOf(info.getAvailableVirtualCores()))
-            .append("\",\"").append(ni.getNodeManagerVersion())
+            .append("\",\"");
+
+        // If opportunistic containers are enabled, add extra fields.
+        if (this.opportunisticContainersEnabled) {
+          nodeTableData
+              .append(String.valueOf(info.getNumRunningOpportContainers()))
+              .append("\",\"").append("<br title='")
+              .append(String.valueOf(info.getUsedMemoryOpport())).append("'>")
+              .append(StringUtils.byteDesc(info.getUsedMemoryOpport()))
+              .append("\",\"")
+              .append(String.valueOf(info.getUsedVirtualCoresOpport()))
+              .append("\",\"")
+              .append(String.valueOf(info.getNumQueuedContainers()))
+              .append("\",\"");
+        }
+
+        nodeTableData.append(ni.getNodeManagerVersion())
             .append("\"],\n");
       }
       if (nodeTableData.charAt(nodeTableData.length() - 2) == ',') {

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

@@ -28,6 +28,7 @@ import javax.xml.bind.annotation.XmlRootElement;
 
 import org.apache.hadoop.yarn.api.records.NodeId;
 import org.apache.hadoop.yarn.api.records.NodeState;
+import org.apache.hadoop.yarn.server.api.records.OpportunisticContainersStatus;
 import org.apache.hadoop.yarn.server.resourcemanager.rmnode.RMNode;
 import org.apache.hadoop.yarn.server.resourcemanager.scheduler.ResourceScheduler;
 import org.apache.hadoop.yarn.server.resourcemanager.scheduler.SchedulerNodeReport;
@@ -49,6 +50,10 @@ public class NodeInfo {
   protected long availMemoryMB;
   protected long usedVirtualCores;
   protected long availableVirtualCores;
+  private int numRunningOpportContainers;
+  private long usedMemoryOpport;    // Memory in bytes.
+  private long usedVirtualCoresOpport;
+  private int numQueuedContainers;
   protected ArrayList<String> nodeLabels = new ArrayList<String>();
   protected ResourceUtilizationInfo resourceUtilization;
 
@@ -66,7 +71,8 @@ public class NodeInfo {
       this.usedMemoryMB = report.getUsedResource().getMemorySize();
       this.availMemoryMB = report.getAvailableResource().getMemorySize();
       this.usedVirtualCores = report.getUsedResource().getVirtualCores();
-      this.availableVirtualCores = report.getAvailableResource().getVirtualCores();
+      this.availableVirtualCores =
+          report.getAvailableResource().getVirtualCores();
     }
     this.id = id.toString();
     this.rack = ni.getRackName();
@@ -76,7 +82,22 @@ public class NodeInfo {
     this.lastHealthUpdate = ni.getLastHealthReportTime();
     this.healthReport = String.valueOf(ni.getHealthReport());
     this.version = ni.getNodeManagerVersion();
-    
+
+    // Status of opportunistic containers.
+    this.numRunningOpportContainers = 0;
+    this.usedMemoryOpport = 0;
+    this.usedVirtualCoresOpport = 0;
+    this.numQueuedContainers = 0;
+    OpportunisticContainersStatus opportStatus =
+        ni.getOpportunisticContainersStatus();
+    if (opportStatus != null) {
+      this.numRunningOpportContainers =
+          opportStatus.getRunningOpportContainers();
+      this.usedMemoryOpport = opportStatus.getOpportMemoryUsed();
+      this.usedVirtualCoresOpport = opportStatus.getOpportCoresUsed();
+      this.numQueuedContainers = opportStatus.getQueuedOpportContainers();
+    }
+
     // add labels
     Set<String> labelSet = ni.getNodeLabels();
     if (labelSet != null) {
@@ -140,6 +161,22 @@ public class NodeInfo {
     return this.availableVirtualCores;
   }
 
+  public int getNumRunningOpportContainers() {
+    return numRunningOpportContainers;
+  }
+
+  public long getUsedMemoryOpport() {
+    return usedMemoryOpport;
+  }
+
+  public long getUsedVirtualCoresOpport() {
+    return usedVirtualCoresOpport;
+  }
+
+  public int getNumQueuedContainers() {
+    return numQueuedContainers;
+  }
+
   public ArrayList<String> getNodeLabels() {
     return this.nodeLabels;
   }

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

@@ -35,7 +35,7 @@ import org.apache.hadoop.yarn.factories.RecordFactory;
 import org.apache.hadoop.yarn.factory.providers.RecordFactoryProvider;
 import org.apache.hadoop.yarn.nodelabels.CommonNodeLabelsManager;
 import org.apache.hadoop.yarn.server.api.protocolrecords.NodeHeartbeatResponse;
-import org.apache.hadoop.yarn.server.api.records.QueuedContainersStatus;
+import org.apache.hadoop.yarn.server.api.records.OpportunisticContainersStatus;
 import org.apache.hadoop.yarn.server.resourcemanager.rmnode.RMNode;
 import org.apache.hadoop.yarn.server.resourcemanager.rmnode.UpdatedContainerInfo;
 
@@ -260,7 +260,7 @@ public class MockNodes {
       return this.nodeUtilization;
     }
 
-    public QueuedContainersStatus getQueuedContainersStatus() {
+    public OpportunisticContainersStatus getOpportunisticContainersStatus() {
       return null;
     }
 

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/distributed/TestNodeQueueLoadMonitor.java

@@ -20,7 +20,7 @@ package org.apache.hadoop.yarn.server.resourcemanager.scheduler.distributed;
 
 import org.apache.hadoop.yarn.api.records.NodeId;
 import org.apache.hadoop.yarn.server.api.records.ContainerQueuingLimit;
-import org.apache.hadoop.yarn.server.api.records.QueuedContainersStatus;
+import org.apache.hadoop.yarn.server.api.records.OpportunisticContainersStatus;
 import org.apache.hadoop.yarn.server.resourcemanager.rmnode.RMNode;
 import org.junit.Assert;
 import org.junit.Test;
@@ -183,13 +183,13 @@ public class TestNodeQueueLoadMonitor {
     RMNode node1 = Mockito.mock(RMNode.class);
     NodeId nID1 = new FakeNodeId(host, port);
     Mockito.when(node1.getNodeID()).thenReturn(nID1);
-    QueuedContainersStatus status1 =
+    OpportunisticContainersStatus status1 =
-        Mockito.mock(QueuedContainersStatus.class);
+        Mockito.mock(OpportunisticContainersStatus.class);
     Mockito.when(status1.getEstimatedQueueWaitTime())
         .thenReturn(waitTime);
     Mockito.when(status1.getWaitQueueLength())
         .thenReturn(queueLength);
-    Mockito.when(node1.getQueuedContainersStatus()).thenReturn(status1);
+    Mockito.when(node1.getOpportunisticContainersStatus()).thenReturn(status1);
     return node1;
   }
 }

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

@@ -21,6 +21,7 @@ import java.io.IOException;
 import java.io.PrintWriter;
 
 import org.apache.hadoop.yarn.api.records.NodeState;
+import org.apache.hadoop.yarn.conf.YarnConfiguration;
 import org.apache.hadoop.yarn.server.resourcemanager.RMContext;
 import org.apache.hadoop.yarn.server.resourcemanager.ResourceManager;
 import org.apache.hadoop.yarn.server.resourcemanager.webapp.NodesPage.NodesBlock;
@@ -49,6 +50,7 @@ public class TestNodesPage {
   // future. In that case this value should be adjusted to the new value.
   final int numberOfThInMetricsTable = 23;
   final int numberOfActualTableHeaders = 13;
+  private final int numberOfThForOpportunisticContainers = 4;
 
   private Injector injector;
   
@@ -135,4 +137,35 @@ public class TestNodesPage {
     Mockito.verify(writer, Mockito.times(numberOfThInMetricsTable))
         .print("<td");
   }
+
+  @Test
+  public void testNodesBlockRenderForOpportunisticContainers() {
+    final RMContext mockRMContext =
+        TestRMWebApp.mockRMContext(3, numberOfRacks, numberOfNodesPerRack,
+            8 * TestRMWebApp.GiB);
+    mockRMContext.getYarnConfiguration().setBoolean(
+        YarnConfiguration.OPPORTUNISTIC_CONTAINER_ALLOCATION_ENABLED, true);
+    injector =
+        WebAppTests.createMockInjector(RMContext.class, mockRMContext,
+            new Module() {
+              @Override
+              public void configure(Binder binder) {
+                try {
+                  binder.bind(ResourceManager.class).toInstance(
+                      TestRMWebApp.mockRm(mockRMContext));
+                } catch (IOException e) {
+                  throw new IllegalStateException(e);
+                }
+              }
+            });
+    injector.getInstance(NodesBlock.class).render();
+    PrintWriter writer = injector.getInstance(PrintWriter.class);
+    WebAppTests.flushOutput(injector);
+
+    Mockito.verify(writer, Mockito.times(
+        numberOfActualTableHeaders + numberOfThInMetricsTable +
+            numberOfThForOpportunisticContainers)).print("<th");
+    Mockito.verify(writer, Mockito.times(numberOfThInMetricsTable))
+        .print("<td");
+  }
 }

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

@@ -200,6 +200,7 @@ public class TestRMWebApp {
        }
      }; 
     rmContext.setNodeLabelManager(new NullRMNodeLabelsManager());
+    rmContext.setYarnConfiguration(new YarnConfiguration());
     return rmContext;
   }
 

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

@@ -40,6 +40,7 @@ import org.apache.hadoop.yarn.api.records.Resource;
 import org.apache.hadoop.yarn.api.records.ResourceUtilization;
 import org.apache.hadoop.yarn.server.api.records.NodeHealthStatus;
 import org.apache.hadoop.yarn.server.api.records.NodeStatus;
+import org.apache.hadoop.yarn.server.api.records.OpportunisticContainersStatus;
 import org.apache.hadoop.yarn.server.resourcemanager.MockRM;
 import org.apache.hadoop.yarn.server.resourcemanager.ResourceManager;
 import org.apache.hadoop.yarn.server.resourcemanager.rmnode.RMNode;
@@ -722,13 +723,17 @@ public class TestRMWebServicesNodes extends JerseyTestBase {
               "aggregatedContainersPhysicalMemoryMB"),
           WebServicesTestUtils.getXmlInt(element,
               "aggregatedContainersVirtualMemoryMB"),
-          WebServicesTestUtils.getXmlFloat(element, "containersCPUUsage"));
+          WebServicesTestUtils.getXmlFloat(element, "containersCPUUsage"),
+          WebServicesTestUtils.getXmlInt(element, "numRunningOpportContainers"),
+          WebServicesTestUtils.getXmlLong(element, "usedMemoryOpport"),
+          WebServicesTestUtils.getXmlInt(element, "usedVirtualCoresOpport"),
+          WebServicesTestUtils.getXmlInt(element, "numQueuedContainers"));
     }
   }
 
   public void verifyNodeInfo(JSONObject nodeInfo, RMNode nm)
       throws JSONException, Exception {
-    assertEquals("incorrect number of elements", 14, nodeInfo.length());
+    assertEquals("incorrect number of elements", 18, nodeInfo.length());
 
     JSONObject resourceInfo = nodeInfo.getJSONObject("resourceUtilization");
     verifyNodeInfoGeneric(nm, nodeInfo.getString("state"),
@@ -745,21 +750,29 @@ public class TestRMWebServicesNodes extends JerseyTestBase {
         resourceInfo.getDouble("nodeCPUUsage"),
         resourceInfo.getInt("aggregatedContainersPhysicalMemoryMB"),
         resourceInfo.getInt("aggregatedContainersVirtualMemoryMB"),
-        resourceInfo.getDouble("containersCPUUsage"));
+        resourceInfo.getDouble("containersCPUUsage"),
+        nodeInfo.getInt("numRunningOpportContainers"),
+        nodeInfo.getLong("usedMemoryOpport"),
+        nodeInfo.getInt("usedVirtualCoresOpport"),
+        nodeInfo.getInt("numQueuedContainers"));
   }
 
   public void verifyNodeInfoGeneric(RMNode node, String state, String rack,
       String id, String nodeHostName,
       String nodeHTTPAddress, long lastHealthUpdate, String healthReport,
-      int numContainers, long usedMemoryMB, long availMemoryMB, long usedVirtualCores, 
+      int numContainers, long usedMemoryMB, long availMemoryMB,
-      long availVirtualCores, String version, int nodePhysicalMemoryMB,
+      long usedVirtualCores, long availVirtualCores, String version,
-      int nodeVirtualMemoryMB, double nodeCPUUsage,
+      int nodePhysicalMemoryMB, int nodeVirtualMemoryMB, double nodeCPUUsage,
       int containersPhysicalMemoryMB, int containersVirtualMemoryMB,
-      double containersCPUUsage)
+      double containersCPUUsage, int numRunningOpportContainers,
+      long usedMemoryOpport, int usedVirtualCoresOpport,
+      int numQueuedContainers)
       throws JSONException, Exception {
 
     ResourceScheduler sched = rm.getResourceScheduler();
     SchedulerNodeReport report = sched.getNodeReport(node.getNodeID());
+    OpportunisticContainersStatus opportunisticStatus =
+        node.getOpportunisticContainersStatus();
 
     WebServicesTestUtils.checkStringMatch("state", node.getState().toString(),
         state);
@@ -807,6 +820,20 @@ public class TestRMWebServicesNodes extends JerseyTestBase {
       assertEquals("availVirtualCores doesn't match: " + availVirtualCores, report
           .getAvailableResource().getVirtualCores(), availVirtualCores);
     }
+
+    if (opportunisticStatus != null) {
+      assertEquals("numRunningOpportContainers doesn't match: " +
+              numRunningOpportContainers,
+          opportunisticStatus.getRunningOpportContainers(),
+          numRunningOpportContainers);
+      assertEquals("usedMemoryOpport doesn't match: " + usedMemoryOpport,
+          opportunisticStatus.getOpportMemoryUsed(), usedMemoryOpport);
+      assertEquals(
+          "usedVirtualCoresOpport doesn't match: " + usedVirtualCoresOpport,
+          opportunisticStatus.getOpportCoresUsed(), usedVirtualCoresOpport);
+      assertEquals("numQueuedContainers doesn't match: " + numQueuedContainers,
+          opportunisticStatus.getQueuedOpportContainers(), numQueuedContainers);
+    }
   }
 
 }