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From wan...@apache.org
Subject [04/19] hadoop git commit: YARN-313. Add Admin API for supporting node resource configuration in command line. (Contributed by Inigo Goiri, Kenji Kikushima and Junping Du)
Date Tue, 15 Sep 2015 18:02:10 GMT
YARN-313. Add Admin API for supporting node resource configuration in command line. (Contributed by Inigo Goiri, Kenji Kikushima and Junping Du)


Project: http://git-wip-us.apache.org/repos/asf/hadoop/repo
Commit: http://git-wip-us.apache.org/repos/asf/hadoop/commit/73e3a49e
Tree: http://git-wip-us.apache.org/repos/asf/hadoop/tree/73e3a49e
Diff: http://git-wip-us.apache.org/repos/asf/hadoop/diff/73e3a49e

Branch: refs/heads/YARN-1197
Commit: 73e3a49eb0d58f08549dc6b7054eb5c1f62819dc
Parents: a440567
Author: Junping Du <junping_du@apache.org>
Authored: Tue Sep 15 07:55:59 2015 -0700
Committer: Junping Du <junping_du@apache.org>
Committed: Tue Sep 15 07:56:47 2015 -0700

----------------------------------------------------------------------
 hadoop-yarn-project/CHANGES.txt                 |   4 +
 .../hadoop/yarn/api/records/ResourceOption.java |   3 +
 .../hadoop/yarn/conf/YarnConfiguration.java     |   4 +
 .../ResourceManagerAdministrationProtocol.java  |  16 +-
 .../RefreshNodesResourcesRequest.java           |  39 +++++
 .../RefreshNodesResourcesResponse.java          |  39 +++++
 ...esourcemanager_administration_protocol.proto |   3 +-
 ..._server_resourcemanager_service_protos.proto |   6 +
 .../hadoop/yarn/client/cli/RMAdminCLI.java      |  61 +++++++-
 .../hadoop/yarn/client/cli/TestRMAdminCLI.java  |  31 ++--
 ...nagerAdministrationProtocolPBClientImpl.java |  19 +++
 ...agerAdministrationProtocolPBServiceImpl.java |  22 +++
 .../pb/RefreshNodesResourcesRequestPBImpl.java  |  72 +++++++++
 .../pb/RefreshNodesResourcesResponsePBImpl.java |  72 +++++++++
 .../hadoop/yarn/api/TestPBImplRecords.java      |  16 ++
 .../server/resourcemanager/AdminService.java    |  52 +++++++
 .../resource/DynamicResourceConfiguration.java  | 149 +++++++++++++++++++
 .../server/resourcemanager/rmnode/RMNode.java   |   3 -
 .../resourcemanager/TestRMAdminService.java     |  46 ++++++
 .../resourcemanager/TestRMNodeTransitions.java  |   6 +-
 .../scheduler/fifo/TestFifoScheduler.java       |   2 +-
 21 files changed, 642 insertions(+), 23 deletions(-)
----------------------------------------------------------------------


http://git-wip-us.apache.org/repos/asf/hadoop/blob/73e3a49e/hadoop-yarn-project/CHANGES.txt
----------------------------------------------------------------------
diff --git a/hadoop-yarn-project/CHANGES.txt b/hadoop-yarn-project/CHANGES.txt
index cff5205..c2bee70 100644
--- a/hadoop-yarn-project/CHANGES.txt
+++ b/hadoop-yarn-project/CHANGES.txt
@@ -190,6 +190,10 @@ Release 2.8.0 - UNRELEASED
     YARN-2884. Added a proxy service in NM to proxy the the communication
     between AM and RM. (Kishore Chaliparambil via jianhe) 
 
+    YARN-313. Add Admin API for supporting node resource configuration in
+    command line. (Inigo Goiri, Kenji Kikushima and Junping Du 
+    via junping_du)
+
   IMPROVEMENTS
 
     YARN-644. Basic null check is not performed on passed in arguments before

http://git-wip-us.apache.org/repos/asf/hadoop/blob/73e3a49e/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-api/src/main/java/org/apache/hadoop/yarn/api/records/ResourceOption.java
----------------------------------------------------------------------
diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-api/src/main/java/org/apache/hadoop/yarn/api/records/ResourceOption.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-api/src/main/java/org/apache/hadoop/yarn/api/records/ResourceOption.java
index 1ca90cc..e9de052 100644
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-api/src/main/java/org/apache/hadoop/yarn/api/records/ResourceOption.java
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-api/src/main/java/org/apache/hadoop/yarn/api/records/ResourceOption.java
@@ -36,6 +36,9 @@ public abstract class ResourceOption {
     return resourceOption;
   }
 
+  /** Negative value means no timeout. */
+  public static final int OVER_COMMIT_TIMEOUT_MILLIS_DEFAULT = -1;
+
   /**
    * Get the <em>resource</em> of the ResourceOption.
    * @return <em>resource</em> of the ResourceOption

http://git-wip-us.apache.org/repos/asf/hadoop/blob/73e3a49e/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-api/src/main/java/org/apache/hadoop/yarn/conf/YarnConfiguration.java
----------------------------------------------------------------------
diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-api/src/main/java/org/apache/hadoop/yarn/conf/YarnConfiguration.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-api/src/main/java/org/apache/hadoop/yarn/conf/YarnConfiguration.java
index cc4f5de..33e8a1f 100644
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-api/src/main/java/org/apache/hadoop/yarn/conf/YarnConfiguration.java
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-api/src/main/java/org/apache/hadoop/yarn/conf/YarnConfiguration.java
@@ -39,6 +39,9 @@ import org.apache.hadoop.yarn.api.ApplicationConstants;
 public class YarnConfiguration extends Configuration {
 
   @Private
+  public static final String DR_CONFIGURATION_FILE= "dynamic-resources.xml";
+
+  @Private
   public static final String CS_CONFIGURATION_FILE= "capacity-scheduler.xml";
 
   @Private
@@ -57,6 +60,7 @@ public class YarnConfiguration extends Configuration {
   @Private
   public static final List<String> RM_CONFIGURATION_FILES =
       Collections.unmodifiableList(Arrays.asList(
+          DR_CONFIGURATION_FILE,
           CS_CONFIGURATION_FILE,
           HADOOP_POLICY_CONFIGURATION_FILE,
           YARN_SITE_CONFIGURATION_FILE,

http://git-wip-us.apache.org/repos/asf/hadoop/blob/73e3a49e/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-api/src/main/java/org/apache/hadoop/yarn/server/api/ResourceManagerAdministrationProtocol.java
----------------------------------------------------------------------
diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-api/src/main/java/org/apache/hadoop/yarn/server/api/ResourceManagerAdministrationProtocol.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-api/src/main/java/org/apache/hadoop/yarn/server/api/ResourceManagerAdministrationProtocol.java
index 08a258c..8523342 100644
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-api/src/main/java/org/apache/hadoop/yarn/server/api/ResourceManagerAdministrationProtocol.java
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-api/src/main/java/org/apache/hadoop/yarn/server/api/ResourceManagerAdministrationProtocol.java
@@ -21,6 +21,7 @@ package org.apache.hadoop.yarn.server.api;
 import java.io.IOException;
 
 import org.apache.hadoop.classification.InterfaceAudience.Private;
+import org.apache.hadoop.classification.InterfaceStability.Evolving;
 import org.apache.hadoop.io.retry.Idempotent;
 import org.apache.hadoop.ipc.StandbyException;
 import org.apache.hadoop.tools.GetUserMappingsProtocol;
@@ -51,6 +52,8 @@ import org.apache.hadoop.yarn.server.api.protocolrecords.ReplaceLabelsOnNodeRequ
 import org.apache.hadoop.yarn.server.api.protocolrecords.ReplaceLabelsOnNodeResponse;
 import org.apache.hadoop.yarn.server.api.protocolrecords.UpdateNodeResourceRequest;
 import org.apache.hadoop.yarn.server.api.protocolrecords.UpdateNodeResourceResponse;
+import org.apache.hadoop.yarn.server.api.protocolrecords.RefreshNodesResourcesRequest;
+import org.apache.hadoop.yarn.server.api.protocolrecords.RefreshNodesResourcesResponse;
 
 @Private
 public interface ResourceManagerAdministrationProtocol extends GetUserMappingsProtocol {
@@ -74,7 +77,7 @@ public interface ResourceManagerAdministrationProtocol extends GetUserMappingsPr
 
   @Private
   @Idempotent
-  public RefreshUserToGroupsMappingsResponse refreshUserToGroupsMappings(
+  RefreshUserToGroupsMappingsResponse refreshUserToGroupsMappings(
       RefreshUserToGroupsMappingsRequest request)
   throws StandbyException, YarnException, IOException;
 
@@ -107,9 +110,14 @@ public interface ResourceManagerAdministrationProtocol extends GetUserMappingsPr
   @Private
   @Idempotent
   public UpdateNodeResourceResponse updateNodeResource(
-      UpdateNodeResourceRequest request) 
-  throws YarnException, IOException;
-   
+      UpdateNodeResourceRequest request) throws YarnException, IOException;
+
+  @Private
+  @Evolving
+  @Idempotent
+  public RefreshNodesResourcesResponse refreshNodesResources(
+      RefreshNodesResourcesRequest request) throws YarnException, IOException;
+
   @Private
   @Idempotent
   public AddToClusterNodeLabelsResponse addToClusterNodeLabels(

http://git-wip-us.apache.org/repos/asf/hadoop/blob/73e3a49e/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-api/src/main/java/org/apache/hadoop/yarn/server/api/protocolrecords/RefreshNodesResourcesRequest.java
----------------------------------------------------------------------
diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-api/src/main/java/org/apache/hadoop/yarn/server/api/protocolrecords/RefreshNodesResourcesRequest.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-api/src/main/java/org/apache/hadoop/yarn/server/api/protocolrecords/RefreshNodesResourcesRequest.java
new file mode 100644
index 0000000..f8c91f6
--- /dev/null
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-api/src/main/java/org/apache/hadoop/yarn/server/api/protocolrecords/RefreshNodesResourcesRequest.java
@@ -0,0 +1,39 @@
+/**
+* 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.protocolrecords;
+
+import org.apache.hadoop.classification.InterfaceAudience.Private;
+import org.apache.hadoop.classification.InterfaceAudience.Public;
+import org.apache.hadoop.classification.InterfaceStability.Evolving;
+import org.apache.hadoop.yarn.util.Records;
+
+/**
+ * Request to refresh the resources of a node.
+ */
+@Private
+@Evolving
+public abstract class RefreshNodesResourcesRequest {
+  @Public
+  @Evolving
+  public static RefreshNodesResourcesRequest newInstance() {
+    RefreshNodesResourcesRequest request =
+        Records.newRecord(RefreshNodesResourcesRequest.class);
+    return request;
+  }
+}

http://git-wip-us.apache.org/repos/asf/hadoop/blob/73e3a49e/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-api/src/main/java/org/apache/hadoop/yarn/server/api/protocolrecords/RefreshNodesResourcesResponse.java
----------------------------------------------------------------------
diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-api/src/main/java/org/apache/hadoop/yarn/server/api/protocolrecords/RefreshNodesResourcesResponse.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-api/src/main/java/org/apache/hadoop/yarn/server/api/protocolrecords/RefreshNodesResourcesResponse.java
new file mode 100644
index 0000000..9d7bb21
--- /dev/null
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-api/src/main/java/org/apache/hadoop/yarn/server/api/protocolrecords/RefreshNodesResourcesResponse.java
@@ -0,0 +1,39 @@
+/**
+* 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.protocolrecords;
+
+import org.apache.hadoop.classification.InterfaceAudience.Private;
+import org.apache.hadoop.classification.InterfaceStability.Evolving;
+import org.apache.hadoop.classification.InterfaceStability.Unstable;
+import org.apache.hadoop.yarn.util.Records;
+
+/**
+ * Response to a request to refresh the resources of a node.
+ */
+@Private
+@Evolving
+public abstract class RefreshNodesResourcesResponse {
+  @Private
+  @Unstable
+  public static RefreshNodesResourcesResponse newInstance() {
+    RefreshNodesResourcesResponse response =
+        Records.newRecord(RefreshNodesResourcesResponse.class);
+    return response;
+  }
+}

http://git-wip-us.apache.org/repos/asf/hadoop/blob/73e3a49e/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-api/src/main/proto/server/resourcemanager_administration_protocol.proto
----------------------------------------------------------------------
diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-api/src/main/proto/server/resourcemanager_administration_protocol.proto b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-api/src/main/proto/server/resourcemanager_administration_protocol.proto
index da8f34f..1134623 100644
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-api/src/main/proto/server/resourcemanager_administration_protocol.proto
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-api/src/main/proto/server/resourcemanager_administration_protocol.proto
@@ -38,7 +38,8 @@ service ResourceManagerAdministrationProtocolService {
   rpc refreshAdminAcls(RefreshAdminAclsRequestProto) returns (RefreshAdminAclsResponseProto);
   rpc refreshServiceAcls(RefreshServiceAclsRequestProto) returns (RefreshServiceAclsResponseProto);
   rpc getGroupsForUser(GetGroupsForUserRequestProto) returns (GetGroupsForUserResponseProto);
-  rpc updateNodeResource (UpdateNodeResourceRequestProto) returns (UpdateNodeResourceResponseProto);
+  rpc updateNodeResource(UpdateNodeResourceRequestProto) returns (UpdateNodeResourceResponseProto);
+  rpc refreshNodesResources(RefreshNodesResourcesRequestProto) returns (RefreshNodesResourcesResponseProto);
   rpc addToClusterNodeLabels(AddToClusterNodeLabelsRequestProto) returns (AddToClusterNodeLabelsResponseProto);
   rpc removeFromClusterNodeLabels(RemoveFromClusterNodeLabelsRequestProto) returns (RemoveFromClusterNodeLabelsResponseProto);
   rpc replaceLabelsOnNodes(ReplaceLabelsOnNodeRequestProto) returns (ReplaceLabelsOnNodeResponseProto);

http://git-wip-us.apache.org/repos/asf/hadoop/blob/73e3a49e/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-api/src/main/proto/server/yarn_server_resourcemanager_service_protos.proto
----------------------------------------------------------------------
diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-api/src/main/proto/server/yarn_server_resourcemanager_service_protos.proto b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-api/src/main/proto/server/yarn_server_resourcemanager_service_protos.proto
index 037f78c..eaf658f 100644
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-api/src/main/proto/server/yarn_server_resourcemanager_service_protos.proto
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-api/src/main/proto/server/yarn_server_resourcemanager_service_protos.proto
@@ -76,6 +76,12 @@ message UpdateNodeResourceRequestProto {
 message UpdateNodeResourceResponseProto {
 }
 
+message RefreshNodesResourcesRequestProto {
+}
+
+message RefreshNodesResourcesResponseProto {
+}
+
 message AddToClusterNodeLabelsRequestProto {
   repeated NodeLabelProto nodeLabels = 1;
 }

http://git-wip-us.apache.org/repos/asf/hadoop/blob/73e3a49e/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-client/src/main/java/org/apache/hadoop/yarn/client/cli/RMAdminCLI.java
----------------------------------------------------------------------
diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-client/src/main/java/org/apache/hadoop/yarn/client/cli/RMAdminCLI.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-client/src/main/java/org/apache/hadoop/yarn/client/cli/RMAdminCLI.java
index 8278bd9..92cb934 100644
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-client/src/main/java/org/apache/hadoop/yarn/client/cli/RMAdminCLI.java
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-client/src/main/java/org/apache/hadoop/yarn/client/cli/RMAdminCLI.java
@@ -41,6 +41,8 @@ import org.apache.hadoop.util.ToolRunner;
 import org.apache.hadoop.yarn.api.records.DecommissionType;
 import org.apache.hadoop.yarn.api.records.NodeId;
 import org.apache.hadoop.yarn.api.records.NodeLabel;
+import org.apache.hadoop.yarn.api.records.Resource;
+import org.apache.hadoop.yarn.api.records.ResourceOption;
 import org.apache.hadoop.yarn.client.ClientRMProxy;
 import org.apache.hadoop.yarn.client.RMHAServiceTarget;
 import org.apache.hadoop.yarn.conf.HAUtil;
@@ -58,12 +60,15 @@ import org.apache.hadoop.yarn.server.api.protocolrecords.RefreshAdminAclsRequest
 import org.apache.hadoop.yarn.server.api.protocolrecords.RefreshClusterMaxPriorityRequest;
 import org.apache.hadoop.yarn.server.api.protocolrecords.RefreshNodesRequest;
 import org.apache.hadoop.yarn.server.api.protocolrecords.RefreshQueuesRequest;
+import org.apache.hadoop.yarn.server.api.protocolrecords.RefreshNodesResourcesRequest;
 import org.apache.hadoop.yarn.server.api.protocolrecords.RefreshServiceAclsRequest;
 import org.apache.hadoop.yarn.server.api.protocolrecords.RefreshSuperUserGroupsConfigurationRequest;
 import org.apache.hadoop.yarn.server.api.protocolrecords.RefreshUserToGroupsMappingsRequest;
 import org.apache.hadoop.yarn.server.api.protocolrecords.RemoveFromClusterNodeLabelsRequest;
 import org.apache.hadoop.yarn.server.api.protocolrecords.ReplaceLabelsOnNodeRequest;
+import org.apache.hadoop.yarn.server.api.protocolrecords.UpdateNodeResourceRequest;
 import org.apache.hadoop.yarn.util.ConverterUtils;
+import org.apache.hadoop.yarn.util.resource.Resources;
 
 import com.google.common.base.Preconditions;
 import com.google.common.collect.ImmutableMap;
@@ -98,6 +103,8 @@ public class RMAdminCLI extends HAAdmin {
               + "[-g [timeout in seconds] is optional, if we specify the "
               + "timeout then ResourceManager will wait for timeout before "
               + "marking the NodeManager as decommissioned."))
+          .put("-refreshNodesResources", new UsageInfo("",
+              "Refresh resources of NodeManagers at the ResourceManager."))
           .put("-refreshSuperUserGroupsConfiguration", new UsageInfo("",
               "Refresh superuser proxy groups mappings"))
           .put("-refreshUserToGroupsMappings", new UsageInfo("",
@@ -136,7 +143,10 @@ public class RMAdminCLI extends HAAdmin {
           .put("-refreshClusterMaxPriority",
               new UsageInfo("",
                   "Refresh cluster max priority"))
-              .build();
+          .put("-updateNodeResource",
+              new UsageInfo("[NodeID] [MemSize] [vCores] ([OvercommitTimeout])",
+                  "Update resource on specific node."))
+          .build();
 
   public RMAdminCLI() {
     super();
@@ -221,6 +231,7 @@ public class RMAdminCLI extends HAAdmin {
     "yarn rmadmin" +
       " [-refreshQueues]" +
       " [-refreshNodes [-g [timeout in seconds]]]" +
+      " [-refreshNodesResources]" +
       " [-refreshSuperUserGroupsConfiguration]" +
       " [-refreshUserToGroupsMappings]" +
       " [-refreshAdminAcls]" +
@@ -230,7 +241,8 @@ public class RMAdminCLI extends HAAdmin {
                   + "label2(exclusive=false),label3\">]" +
       " [-removeFromClusterNodeLabels <label1,label2,label3>]" +
       " [-replaceLabelsOnNode <\"node1[:port]=label1,label2 node2[:port]=label1\">]" +
-      " [-directlyAccessNodeLabelStore]]");
+      " [-directlyAccessNodeLabelStore]]" +
+      " [-updateNodeResource [NodeID] [MemSize] [vCores] ([OvercommitTimeout])");
     if (isHAEnabled) {
       appendHAUsage(summary);
     }
@@ -348,6 +360,15 @@ public class RMAdminCLI extends HAAdmin {
     return 0;
   }
 
+  private int refreshNodesResources() throws IOException, YarnException {
+    // Refresh the resources at the Nodemanager
+    ResourceManagerAdministrationProtocol adminProtocol = createAdminProtocol();
+    RefreshNodesResourcesRequest request =
+    recordFactory.newRecordInstance(RefreshNodesResourcesRequest.class);
+    adminProtocol.refreshNodesResources(request);
+    return 0;
+  }
+
   private int refreshUserToGroupsMappings() throws IOException,
       YarnException {
     // Refresh the user-to-groups mappings
@@ -395,6 +416,22 @@ public class RMAdminCLI extends HAAdmin {
     return 0;
   }
   
+  private int updateNodeResource(String nodeIdStr, int memSize,
+      int cores, int overCommitTimeout) throws IOException, YarnException {
+    // Refresh the nodes
+    ResourceManagerAdministrationProtocol adminProtocol = createAdminProtocol();
+    UpdateNodeResourceRequest request =
+      recordFactory.newRecordInstance(UpdateNodeResourceRequest.class);
+    NodeId nodeId = ConverterUtils.toNodeId(nodeIdStr);
+    Resource resource = Resources.createResource(memSize, cores);
+    Map<NodeId, ResourceOption> resourceMap =
+        new HashMap<NodeId, ResourceOption>();
+    resourceMap.put(
+        nodeId, ResourceOption.newInstance(resource, overCommitTimeout));
+    adminProtocol.updateNodeResource(request);
+    return 0;
+  }
+
   private int getGroups(String[] usernames) throws IOException {
     // Get groups users belongs to
     ResourceManagerAdministrationProtocol adminProtocol = createAdminProtocol();
@@ -653,6 +690,7 @@ public class RMAdminCLI extends HAAdmin {
     // verify that we have enough command line parameters
     //
     if ("-refreshAdminAcls".equals(cmd) || "-refreshQueues".equals(cmd) ||
+        "-refreshNodesResources".equals(cmd) ||
         "-refreshServiceAcl".equals(cmd) ||
         "-refreshUserToGroupsMappings".equals(cmd) ||
         "-refreshSuperUserGroupsConfiguration".equals(cmd)) {
@@ -681,6 +719,8 @@ public class RMAdminCLI extends HAAdmin {
           printUsage(cmd, isHAEnabled);
           return -1;
         }
+      } else if ("-refreshNodesResources".equals(cmd)) {
+        exitCode = refreshNodesResources();
       } else if ("-refreshUserToGroupsMappings".equals(cmd)) {
         exitCode = refreshUserToGroupsMappings();
       } else if ("-refreshSuperUserGroupsConfiguration".equals(cmd)) {
@@ -694,6 +734,23 @@ public class RMAdminCLI extends HAAdmin {
       } else if ("-getGroups".equals(cmd)) {
         String[] usernames = Arrays.copyOfRange(args, i, args.length);
         exitCode = getGroups(usernames);
+      } else if ("-updateNodeResource".equals(cmd)) {
+        if (args.length < 4 || args.length > 5) {
+          System.err.println("Number of parameters specified for " +
+              "updateNodeResource is wrong.");
+          printUsage(cmd, isHAEnabled);
+          exitCode = -1;
+        } else {
+          String nodeID = args[i++];
+          String memSize = args[i++];
+          String cores = args[i++];
+          int overCommitTimeout = ResourceOption.OVER_COMMIT_TIMEOUT_MILLIS_DEFAULT;
+          if (i == args.length - 1) {
+            overCommitTimeout = Integer.parseInt(args[i]);
+          }
+          exitCode = updateNodeResource(nodeID, Integer.parseInt(memSize),
+              Integer.parseInt(cores), overCommitTimeout);
+        }
       } else if ("-addToClusterNodeLabels".equals(cmd)) {
         if (i >= args.length) {
           System.err.println(NO_LABEL_ERR_MSG);

http://git-wip-us.apache.org/repos/asf/hadoop/blob/73e3a49e/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-client/src/test/java/org/apache/hadoop/yarn/client/cli/TestRMAdminCLI.java
----------------------------------------------------------------------
diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-client/src/test/java/org/apache/hadoop/yarn/client/cli/TestRMAdminCLI.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-client/src/test/java/org/apache/hadoop/yarn/client/cli/TestRMAdminCLI.java
index a52225b..74ed848 100644
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-client/src/test/java/org/apache/hadoop/yarn/client/cli/TestRMAdminCLI.java
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-client/src/test/java/org/apache/hadoop/yarn/client/cli/TestRMAdminCLI.java
@@ -204,7 +204,6 @@ public class TestRMAdminCLI {
     when(admin.checkForDecommissioningNodes(any(
         CheckForDecommissioningNodesRequest.class))).thenReturn(response);
     assertEquals(0, rmAdminCLI.run(args));
-//    verify(admin).refreshNodes(any(RefreshNodesRequest.class));
     verify(admin).refreshNodes(
         RefreshNodesRequest.newInstance(DecommissionType.GRACEFUL));
 
@@ -343,12 +342,17 @@ public class TestRMAdminCLI {
       assertTrue(dataOut
           .toString()
           .contains(
-              "yarn rmadmin [-refreshQueues] [-refreshNodes [-g [timeout in seconds]]] [-refreshSuper" +
-              "UserGroupsConfiguration] [-refreshUserToGroupsMappings] " +
-              "[-refreshAdminAcls] [-refreshServiceAcl] [-getGroup" +
-              " [username]] [-addToClusterNodeLabels <\"label1(exclusive=true),label2(exclusive=false),label3\">]" +
-              " [-removeFromClusterNodeLabels <label1,label2,label3>] [-replaceLabelsOnNode " +
-              "<\"node1[:port]=label1,label2 node2[:port]=label1\">] [-directlyAccessNodeLabelStore]] " +
+              "yarn rmadmin [-refreshQueues] [-refreshNodes [-g [timeout in " +
+              "seconds]]] [-refreshNodesResources] [-refreshSuperUserGroups" +
+              "Configuration] [-refreshUserToGroupsMappings] " +
+              "[-refreshAdminAcls] [-refreshServiceAcl] [-getGroup " +
+              "[username]] [-addToClusterNodeLabels " +
+              "<\"label1(exclusive=true),label2(exclusive=false),label3\">] " +
+              "[-removeFromClusterNodeLabels <label1,label2,label3>] " +
+              "[-replaceLabelsOnNode " +
+              "<\"node1[:port]=label1,label2 node2[:port]=label1\">] " +
+              "[-directlyAccessNodeLabelStore]] [-updateNodeResource " +
+              "[NodeID] [MemSize] [vCores] ([OvercommitTimeout]) " +
               "[-help [cmd]]"));
       assertTrue(dataOut
           .toString()
@@ -360,6 +364,11 @@ public class TestRMAdminCLI {
           .contains(
               "-refreshNodes [-g [timeout in seconds]]: Refresh the hosts information at the " +
               "ResourceManager."));
+      assertTrue(dataOut
+          .toString()
+          .contains(
+              "-refreshNodesResources: Refresh resources of NodeManagers at the " +
+              "ResourceManager."));
       assertTrue(dataOut.toString().contains(
           "-refreshUserToGroupsMappings: Refresh user-to-groups mappings"));
       assertTrue(dataOut
@@ -387,6 +396,8 @@ public class TestRMAdminCLI {
           "Usage: yarn rmadmin [-refreshQueues]", dataErr, 0);
       testError(new String[] { "-help", "-refreshNodes" },
           "Usage: yarn rmadmin [-refreshNodes [-g [timeout in seconds]]]", dataErr, 0);
+      testError(new String[] { "-help", "-refreshNodesResources" },
+          "Usage: yarn rmadmin [-refreshNodesResources]", dataErr, 0);
       testError(new String[] { "-help", "-refreshUserToGroupsMappings" },
           "Usage: yarn rmadmin [-refreshUserToGroupsMappings]", dataErr, 0);
       testError(
@@ -423,13 +434,15 @@ public class TestRMAdminCLI {
       assertEquals(0, rmAdminCLIWithHAEnabled.run(args));
       oldOutPrintStream.println(dataOut);
       String expectedHelpMsg = 
-          "yarn rmadmin [-refreshQueues] [-refreshNodes [-g [timeout in seconds]]] [-refreshSuper"
-              + "UserGroupsConfiguration] [-refreshUserToGroupsMappings] "
+          "yarn rmadmin [-refreshQueues] [-refreshNodes [-g [timeout in seconds]]] "
+              + "[-refreshNodesResources] [-refreshSuperUserGroupsConfiguration] "
+              + "[-refreshUserToGroupsMappings] "
               + "[-refreshAdminAcls] [-refreshServiceAcl] [-getGroup"
               + " [username]] [-addToClusterNodeLabels <\"label1(exclusive=true),"
                   + "label2(exclusive=false),label3\">]"
               + " [-removeFromClusterNodeLabels <label1,label2,label3>] [-replaceLabelsOnNode "
               + "<\"node1[:port]=label1,label2 node2[:port]=label1\">] [-directlyAccessNodeLabelStore]] "
+              + "[-updateNodeResource [NodeID] [MemSize] [vCores] ([OvercommitTimeout]) "
               + "[-transitionToActive [--forceactive] <serviceId>] "
               + "[-transitionToStandby <serviceId>] "
               + "[-getServiceState <serviceId>] [-checkHealth <serviceId>] [-help [cmd]]";

http://git-wip-us.apache.org/repos/asf/hadoop/blob/73e3a49e/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/server/api/impl/pb/client/ResourceManagerAdministrationProtocolPBClientImpl.java
----------------------------------------------------------------------
diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/server/api/impl/pb/client/ResourceManagerAdministrationProtocolPBClientImpl.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/server/api/impl/pb/client/ResourceManagerAdministrationProtocolPBClientImpl.java
index 44ef654..077edf3 100644
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/server/api/impl/pb/client/ResourceManagerAdministrationProtocolPBClientImpl.java
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/server/api/impl/pb/client/ResourceManagerAdministrationProtocolPBClientImpl.java
@@ -43,6 +43,7 @@ import org.apache.hadoop.yarn.proto.YarnServerResourceManagerServiceProtos.Refre
 import org.apache.hadoop.yarn.proto.YarnServerResourceManagerServiceProtos.RemoveFromClusterNodeLabelsRequestProto;
 import org.apache.hadoop.yarn.proto.YarnServerResourceManagerServiceProtos.ReplaceLabelsOnNodeRequestProto;
 import org.apache.hadoop.yarn.proto.YarnServerResourceManagerServiceProtos.UpdateNodeResourceRequestProto;
+import org.apache.hadoop.yarn.proto.YarnServerResourceManagerServiceProtos.RefreshNodesResourcesRequestProto;
 import org.apache.hadoop.yarn.server.api.ResourceManagerAdministrationProtocol;
 import org.apache.hadoop.yarn.server.api.ResourceManagerAdministrationProtocolPB;
 import org.apache.hadoop.yarn.server.api.protocolrecords.AddToClusterNodeLabelsRequest;
@@ -54,6 +55,8 @@ import org.apache.hadoop.yarn.server.api.protocolrecords.RefreshAdminAclsRespons
 import org.apache.hadoop.yarn.server.api.protocolrecords.RefreshClusterMaxPriorityRequest;
 import org.apache.hadoop.yarn.server.api.protocolrecords.RefreshClusterMaxPriorityResponse;
 import org.apache.hadoop.yarn.server.api.protocolrecords.RefreshNodesRequest;
+import org.apache.hadoop.yarn.server.api.protocolrecords.RefreshNodesResourcesRequest;
+import org.apache.hadoop.yarn.server.api.protocolrecords.RefreshNodesResourcesResponse;
 import org.apache.hadoop.yarn.server.api.protocolrecords.RefreshNodesResponse;
 import org.apache.hadoop.yarn.server.api.protocolrecords.RefreshQueuesRequest;
 import org.apache.hadoop.yarn.server.api.protocolrecords.RefreshQueuesResponse;
@@ -93,6 +96,8 @@ import org.apache.hadoop.yarn.server.api.protocolrecords.impl.pb.ReplaceLabelsOn
 import org.apache.hadoop.yarn.server.api.protocolrecords.impl.pb.ReplaceLabelsOnNodeResponsePBImpl;
 import org.apache.hadoop.yarn.server.api.protocolrecords.impl.pb.UpdateNodeResourceRequestPBImpl;
 import org.apache.hadoop.yarn.server.api.protocolrecords.impl.pb.UpdateNodeResourceResponsePBImpl;
+import org.apache.hadoop.yarn.server.api.protocolrecords.impl.pb.RefreshNodesResourcesRequestPBImpl;
+import org.apache.hadoop.yarn.server.api.protocolrecords.impl.pb.RefreshNodesResourcesResponsePBImpl;
 
 import com.google.protobuf.ServiceException;
 
@@ -232,6 +237,20 @@ public class ResourceManagerAdministrationProtocolPBClientImpl implements Resour
   }
 
   @Override
+  public RefreshNodesResourcesResponse refreshNodesResources(
+      RefreshNodesResourcesRequest request) throws YarnException, IOException {
+    RefreshNodesResourcesRequestProto requestProto =
+      ((RefreshNodesResourcesRequestPBImpl)request).getProto();
+    try {
+      return new RefreshNodesResourcesResponsePBImpl(
+          proxy.refreshNodesResources(null, requestProto));
+    } catch (ServiceException e) {
+      RPCUtil.unwrapAndThrowException(e);
+      return null;
+    }
+  }
+
+  @Override
   public AddToClusterNodeLabelsResponse addToClusterNodeLabels(
       AddToClusterNodeLabelsRequest request) throws YarnException, IOException {
     AddToClusterNodeLabelsRequestProto requestProto =

http://git-wip-us.apache.org/repos/asf/hadoop/blob/73e3a49e/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/server/api/impl/pb/service/ResourceManagerAdministrationProtocolPBServiceImpl.java
----------------------------------------------------------------------
diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/server/api/impl/pb/service/ResourceManagerAdministrationProtocolPBServiceImpl.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/server/api/impl/pb/service/ResourceManagerAdministrationProtocolPBServiceImpl.java
index ec734f3..aafce08 100644
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/server/api/impl/pb/service/ResourceManagerAdministrationProtocolPBServiceImpl.java
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/server/api/impl/pb/service/ResourceManagerAdministrationProtocolPBServiceImpl.java
@@ -48,6 +48,8 @@ import org.apache.hadoop.yarn.proto.YarnServerResourceManagerServiceProtos.Repla
 import org.apache.hadoop.yarn.proto.YarnServerResourceManagerServiceProtos.ReplaceLabelsOnNodeResponseProto;
 import org.apache.hadoop.yarn.proto.YarnServerResourceManagerServiceProtos.UpdateNodeResourceRequestProto;
 import org.apache.hadoop.yarn.proto.YarnServerResourceManagerServiceProtos.UpdateNodeResourceResponseProto;
+import org.apache.hadoop.yarn.proto.YarnServerResourceManagerServiceProtos.RefreshNodesResourcesRequestProto;
+import org.apache.hadoop.yarn.proto.YarnServerResourceManagerServiceProtos.RefreshNodesResourcesResponseProto;
 import org.apache.hadoop.yarn.server.api.ResourceManagerAdministrationProtocol;
 import org.apache.hadoop.yarn.server.api.ResourceManagerAdministrationProtocolPB;
 import org.apache.hadoop.yarn.server.api.protocolrecords.AddToClusterNodeLabelsResponse;
@@ -56,6 +58,7 @@ import org.apache.hadoop.yarn.server.api.protocolrecords.CheckForDecommissioning
 import org.apache.hadoop.yarn.server.api.protocolrecords.RefreshAdminAclsResponse;
 import org.apache.hadoop.yarn.server.api.protocolrecords.RefreshClusterMaxPriorityRequest;
 import org.apache.hadoop.yarn.server.api.protocolrecords.RefreshClusterMaxPriorityResponse;
+import org.apache.hadoop.yarn.server.api.protocolrecords.RefreshNodesResourcesResponse;
 import org.apache.hadoop.yarn.server.api.protocolrecords.RefreshNodesResponse;
 import org.apache.hadoop.yarn.server.api.protocolrecords.RefreshQueuesResponse;
 import org.apache.hadoop.yarn.server.api.protocolrecords.RefreshServiceAclsResponse;
@@ -88,6 +91,8 @@ import org.apache.hadoop.yarn.server.api.protocolrecords.impl.pb.ReplaceLabelsOn
 import org.apache.hadoop.yarn.server.api.protocolrecords.impl.pb.ReplaceLabelsOnNodeResponsePBImpl;
 import org.apache.hadoop.yarn.server.api.protocolrecords.impl.pb.UpdateNodeResourceRequestPBImpl;
 import org.apache.hadoop.yarn.server.api.protocolrecords.impl.pb.UpdateNodeResourceResponsePBImpl;
+import org.apache.hadoop.yarn.server.api.protocolrecords.impl.pb.RefreshNodesResourcesRequestPBImpl;
+import org.apache.hadoop.yarn.server.api.protocolrecords.impl.pb.RefreshNodesResourcesResponsePBImpl;
 
 import com.google.protobuf.RpcController;
 import com.google.protobuf.ServiceException;
@@ -232,6 +237,23 @@ public class ResourceManagerAdministrationProtocolPBServiceImpl implements Resou
   }
 
   @Override
+  public RefreshNodesResourcesResponseProto refreshNodesResources(
+      RpcController controller, RefreshNodesResourcesRequestProto proto)
+          throws ServiceException {
+    RefreshNodesResourcesRequestPBImpl request =
+        new RefreshNodesResourcesRequestPBImpl(proto);
+    try {
+      RefreshNodesResourcesResponse response =
+          real.refreshNodesResources(request);
+      return ((RefreshNodesResourcesResponsePBImpl)response).getProto();
+    } catch (YarnException e) {
+      throw new ServiceException(e);
+    } catch (IOException e) {
+      throw new ServiceException(e);
+    }
+  }
+
+  @Override
   public AddToClusterNodeLabelsResponseProto addToClusterNodeLabels(
       RpcController controller, AddToClusterNodeLabelsRequestProto proto)
       throws ServiceException {

http://git-wip-us.apache.org/repos/asf/hadoop/blob/73e3a49e/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/server/api/protocolrecords/impl/pb/RefreshNodesResourcesRequestPBImpl.java
----------------------------------------------------------------------
diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/server/api/protocolrecords/impl/pb/RefreshNodesResourcesRequestPBImpl.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/server/api/protocolrecords/impl/pb/RefreshNodesResourcesRequestPBImpl.java
new file mode 100644
index 0000000..5742ebd
--- /dev/null
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/server/api/protocolrecords/impl/pb/RefreshNodesResourcesRequestPBImpl.java
@@ -0,0 +1,72 @@
+/**
+* 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.protocolrecords.impl.pb;
+
+import org.apache.hadoop.classification.InterfaceAudience.Private;
+import org.apache.hadoop.classification.InterfaceStability.Unstable;
+import org.apache.hadoop.yarn.proto.YarnServerResourceManagerServiceProtos.RefreshNodesResourcesRequestProto;
+import org.apache.hadoop.yarn.server.api.protocolrecords.RefreshNodesResourcesRequest;
+
+import com.google.protobuf.TextFormat;
+
+@Private
+@Unstable
+public class RefreshNodesResourcesRequestPBImpl extends RefreshNodesResourcesRequest {
+
+  RefreshNodesResourcesRequestProto proto =
+      RefreshNodesResourcesRequestProto.getDefaultInstance();
+  RefreshNodesResourcesRequestProto.Builder builder = null;
+  boolean viaProto = false;
+
+  public RefreshNodesResourcesRequestPBImpl() {
+    builder = RefreshNodesResourcesRequestProto.newBuilder();
+  }
+
+  public RefreshNodesResourcesRequestPBImpl(
+      RefreshNodesResourcesRequestProto proto) {
+    this.proto = proto;
+    viaProto = true;
+  }
+
+  public RefreshNodesResourcesRequestProto getProto() {
+    proto = viaProto ? proto : builder.build();
+    viaProto = true;
+    return proto;
+  }
+
+  @Override
+  public int hashCode() {
+    return getProto().hashCode();
+  }
+
+  @Override
+  public boolean equals(Object other) {
+    if (other == null)
+      return false;
+    if (other.getClass().isAssignableFrom(this.getClass())) {
+      return this.getProto().equals(this.getClass().cast(other).getProto());
+    }
+    return false;
+  }
+
+  @Override
+  public String toString() {
+    return TextFormat.shortDebugString(getProto());
+  }
+}

http://git-wip-us.apache.org/repos/asf/hadoop/blob/73e3a49e/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/server/api/protocolrecords/impl/pb/RefreshNodesResourcesResponsePBImpl.java
----------------------------------------------------------------------
diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/server/api/protocolrecords/impl/pb/RefreshNodesResourcesResponsePBImpl.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/server/api/protocolrecords/impl/pb/RefreshNodesResourcesResponsePBImpl.java
new file mode 100644
index 0000000..f700539
--- /dev/null
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/server/api/protocolrecords/impl/pb/RefreshNodesResourcesResponsePBImpl.java
@@ -0,0 +1,72 @@
+/**
+* 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.protocolrecords.impl.pb;
+
+import org.apache.hadoop.classification.InterfaceAudience.Private;
+import org.apache.hadoop.classification.InterfaceStability.Unstable;
+import org.apache.hadoop.yarn.proto.YarnServerResourceManagerServiceProtos.RefreshNodesResourcesResponseProto;
+import org.apache.hadoop.yarn.server.api.protocolrecords.RefreshNodesResourcesResponse;
+
+import com.google.protobuf.TextFormat;
+
+@Private
+@Unstable
+public class RefreshNodesResourcesResponsePBImpl extends RefreshNodesResourcesResponse {
+
+  RefreshNodesResourcesResponseProto proto =
+      RefreshNodesResourcesResponseProto.getDefaultInstance();
+  RefreshNodesResourcesResponseProto.Builder builder = null;
+  boolean viaProto = false;
+
+  public RefreshNodesResourcesResponsePBImpl() {
+    builder = RefreshNodesResourcesResponseProto.newBuilder();
+  }
+
+  public RefreshNodesResourcesResponsePBImpl(
+      RefreshNodesResourcesResponseProto proto) {
+    this.proto = proto;
+    viaProto = true;
+  }
+
+  public RefreshNodesResourcesResponseProto getProto() {
+    proto = viaProto ? proto : builder.build();
+    viaProto = true;
+    return proto;
+  }
+
+  @Override
+  public int hashCode() {
+    return getProto().hashCode();
+  }
+
+  @Override
+  public boolean equals(Object other) {
+    if (other == null)
+      return false;
+    if (other.getClass().isAssignableFrom(this.getClass())) {
+      return this.getProto().equals(this.getClass().cast(other).getProto());
+    }
+    return false;
+  }
+
+  @Override
+  public String toString() {
+    return TextFormat.shortDebugString(getProto());
+  }
+}

http://git-wip-us.apache.org/repos/asf/hadoop/blob/73e3a49e/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/test/java/org/apache/hadoop/yarn/api/TestPBImplRecords.java
----------------------------------------------------------------------
diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/test/java/org/apache/hadoop/yarn/api/TestPBImplRecords.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/test/java/org/apache/hadoop/yarn/api/TestPBImplRecords.java
index 8dacd3b..6357c36 100644
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/test/java/org/apache/hadoop/yarn/api/TestPBImplRecords.java
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/test/java/org/apache/hadoop/yarn/api/TestPBImplRecords.java
@@ -220,6 +220,8 @@ import org.apache.hadoop.yarn.proto.YarnServerResourceManagerServiceProtos.Check
 import org.apache.hadoop.yarn.proto.YarnServerResourceManagerServiceProtos.RefreshAdminAclsRequestProto;
 import org.apache.hadoop.yarn.proto.YarnServerResourceManagerServiceProtos.RefreshAdminAclsResponseProto;
 import org.apache.hadoop.yarn.proto.YarnServerResourceManagerServiceProtos.RefreshNodesRequestProto;
+import org.apache.hadoop.yarn.proto.YarnServerResourceManagerServiceProtos.RefreshNodesResourcesRequestProto;
+import org.apache.hadoop.yarn.proto.YarnServerResourceManagerServiceProtos.RefreshNodesResourcesResponseProto;
 import org.apache.hadoop.yarn.proto.YarnServerResourceManagerServiceProtos.RefreshNodesResponseProto;
 import org.apache.hadoop.yarn.proto.YarnServerResourceManagerServiceProtos.RefreshQueuesRequestProto;
 import org.apache.hadoop.yarn.proto.YarnServerResourceManagerServiceProtos.RefreshQueuesResponseProto;
@@ -296,6 +298,8 @@ import org.apache.hadoop.yarn.server.api.protocolrecords.impl.pb.CheckForDecommi
 import org.apache.hadoop.yarn.server.api.protocolrecords.impl.pb.RefreshAdminAclsRequestPBImpl;
 import org.apache.hadoop.yarn.server.api.protocolrecords.impl.pb.RefreshAdminAclsResponsePBImpl;
 import org.apache.hadoop.yarn.server.api.protocolrecords.impl.pb.RefreshNodesRequestPBImpl;
+import org.apache.hadoop.yarn.server.api.protocolrecords.impl.pb.RefreshNodesResourcesRequestPBImpl;
+import org.apache.hadoop.yarn.server.api.protocolrecords.impl.pb.RefreshNodesResourcesResponsePBImpl;
 import org.apache.hadoop.yarn.server.api.protocolrecords.impl.pb.RefreshNodesResponsePBImpl;
 import org.apache.hadoop.yarn.server.api.protocolrecords.impl.pb.RefreshQueuesRequestPBImpl;
 import org.apache.hadoop.yarn.server.api.protocolrecords.impl.pb.RefreshQueuesResponsePBImpl;
@@ -1127,6 +1131,18 @@ public class TestPBImplRecords {
   }
 
   @Test
+  public void testRefreshNodesResourcesRequestPBImpl() throws Exception {
+    validatePBImplRecord(RefreshNodesResourcesRequestPBImpl.class,
+        RefreshNodesResourcesRequestProto.class);
+  }
+
+  @Test
+  public void testRefreshNodesResourcesResponsePBImpl() throws Exception {
+    validatePBImplRecord(RefreshNodesResourcesResponsePBImpl.class,
+        RefreshNodesResourcesResponseProto.class);
+  }
+
+  @Test
   public void testRefreshServiceAclsRequestPBImpl() throws Exception {
     validatePBImplRecord(RefreshServiceAclsRequestPBImpl.class,
         RefreshServiceAclsRequestProto.class);

http://git-wip-us.apache.org/repos/asf/hadoop/blob/73e3a49e/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/AdminService.java
----------------------------------------------------------------------
diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/AdminService.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/AdminService.java
index a95e22c..ab46419 100644
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/AdminService.java
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/AdminService.java
@@ -72,6 +72,8 @@ import org.apache.hadoop.yarn.server.api.protocolrecords.RefreshNodesRequest;
 import org.apache.hadoop.yarn.server.api.protocolrecords.RefreshNodesResponse;
 import org.apache.hadoop.yarn.server.api.protocolrecords.RefreshQueuesRequest;
 import org.apache.hadoop.yarn.server.api.protocolrecords.RefreshQueuesResponse;
+import org.apache.hadoop.yarn.server.api.protocolrecords.RefreshNodesResourcesRequest;
+import org.apache.hadoop.yarn.server.api.protocolrecords.RefreshNodesResourcesResponse;
 import org.apache.hadoop.yarn.server.api.protocolrecords.RefreshServiceAclsRequest;
 import org.apache.hadoop.yarn.server.api.protocolrecords.RefreshServiceAclsResponse;
 import org.apache.hadoop.yarn.server.api.protocolrecords.RefreshSuperUserGroupsConfigurationRequest;
@@ -85,6 +87,7 @@ import org.apache.hadoop.yarn.server.api.protocolrecords.ReplaceLabelsOnNodeResp
 import org.apache.hadoop.yarn.server.api.protocolrecords.UpdateNodeResourceRequest;
 import org.apache.hadoop.yarn.server.api.protocolrecords.UpdateNodeResourceResponse;
 import org.apache.hadoop.yarn.server.resourcemanager.reservation.ReservationSystem;
+import org.apache.hadoop.yarn.server.resourcemanager.resource.DynamicResourceConfiguration;
 import org.apache.hadoop.yarn.server.resourcemanager.rmnode.RMNode;
 import org.apache.hadoop.yarn.server.resourcemanager.rmnode.RMNodeResourceUpdateEvent;
 import org.apache.hadoop.yarn.server.resourcemanager.security.authorize.RMPolicyProvider;
@@ -602,6 +605,55 @@ public class AdminService extends CompositeService implements
     return response;
   }
 
+  @Override
+  public RefreshNodesResourcesResponse refreshNodesResources(
+      RefreshNodesResourcesRequest request)
+      throws YarnException, StandbyException {
+    String argName = "refreshNodesResources";
+    UserGroupInformation user = checkAcls(argName);
+    final String msg = "refresh nodes.";
+
+    checkRMStatus(user.getShortUserName(), argName, msg);
+
+    RefreshNodesResourcesResponse response =
+        recordFactory.newRecordInstance(RefreshNodesResourcesResponse.class);
+
+    try {
+      Configuration conf = getConfig();
+      Configuration configuration = new Configuration(conf);
+      DynamicResourceConfiguration newconf;
+
+      InputStream DRInputStream =
+        this.rmContext.getConfigurationProvider()
+        .getConfigurationInputStream(configuration,
+          YarnConfiguration.DR_CONFIGURATION_FILE);
+      if (DRInputStream != null) {
+        configuration.addResource(DRInputStream);
+        newconf = new DynamicResourceConfiguration(configuration, false);
+      } else {
+        newconf = new DynamicResourceConfiguration(configuration, true);
+      }
+
+      if (newconf.getNodes().length == 0) {
+        RMAuditLogger.logSuccess(user.getShortUserName(), argName,
+            "AdminService");
+        return response;
+      } else {
+        Map<NodeId, ResourceOption> nodeResourceMap =
+          newconf.getNodeResourceMap();
+
+        UpdateNodeResourceRequest updateRequest =
+          UpdateNodeResourceRequest.newInstance(nodeResourceMap);
+        updateNodeResource(updateRequest);
+        RMAuditLogger.logSuccess(user.getShortUserName(), argName,
+          "AdminService");
+        return response;
+      }
+    } catch (IOException ioe) {
+      throw logAndWrapException(ioe, user.getShortUserName(), argName, msg);
+    }
+  }
+
   private synchronized Configuration getConfiguration(Configuration conf,
       String... confFileNames) throws YarnException, IOException {
     for (String confFileName : confFileNames) {

http://git-wip-us.apache.org/repos/asf/hadoop/blob/73e3a49e/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/resource/DynamicResourceConfiguration.java
----------------------------------------------------------------------
diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/resource/DynamicResourceConfiguration.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/resource/DynamicResourceConfiguration.java
new file mode 100644
index 0000000..dd37801
--- /dev/null
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/resource/DynamicResourceConfiguration.java
@@ -0,0 +1,149 @@
+/**
+* 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.resourcemanager.resource;
+
+import java.util.HashMap;
+import java.util.Map;
+
+import org.apache.commons.logging.Log;
+import org.apache.commons.logging.LogFactory;
+import org.apache.hadoop.classification.InterfaceAudience.Private;
+import org.apache.hadoop.conf.Configuration;
+import org.apache.hadoop.util.StringUtils;
+import org.apache.hadoop.yarn.api.records.NodeId;
+import org.apache.hadoop.yarn.api.records.Resource;
+import org.apache.hadoop.yarn.api.records.ResourceOption;
+import org.apache.hadoop.yarn.conf.YarnConfiguration;
+import org.apache.hadoop.yarn.util.ConverterUtils;
+import org.apache.hadoop.yarn.util.resource.Resources;
+
+public class DynamicResourceConfiguration extends Configuration {
+
+  private static final Log LOG =
+    LogFactory.getLog(DynamicResourceConfiguration.class);
+
+  private static final String DR_CONFIGURATION_FILE = "dynamic-resources.xml";
+
+  @Private
+  public static final String PREFIX = "yarn.resource.dynamic.";
+
+  @Private
+  public static final String DOT = ".";
+
+  @Private
+  public static final String NODES = "nodes";
+
+  @Private
+  public static final String VCORES = "vcores";
+
+  @Private
+  public static final String MEMORY = "memory";
+
+  @Private
+  public static final String OVERCOMMIT_TIMEOUT = "overcommittimeout";
+
+  public DynamicResourceConfiguration() {
+    this(new Configuration());
+  }
+
+  public DynamicResourceConfiguration(Configuration configuration) {
+    this(configuration, true);
+  }
+
+  public DynamicResourceConfiguration(Configuration configuration,
+      boolean useLocalConfigurationProvider) {
+    super(configuration);
+    if (useLocalConfigurationProvider) {
+      addResource(DR_CONFIGURATION_FILE);
+    }
+  }
+
+  private String getNodePrefix(String node) {
+    String nodeName = PREFIX + node + DOT;
+    return nodeName;
+  }
+
+  public int getVcoresPerNode(String node) {
+    int vcoresPerNode =
+      getInt(getNodePrefix(node) + VCORES,
+        YarnConfiguration.DEFAULT_NM_VCORES);
+    return vcoresPerNode;
+  }
+
+  public void setVcoresPerNode(String node, int vcores) {
+    setInt(getNodePrefix(node) + VCORES, vcores);
+    LOG.debug("DRConf - setVcoresPerNode: nodePrefix=" + getNodePrefix(node) +
+      ", vcores=" + vcores);
+  }
+
+  public int getMemoryPerNode(String node) {
+    int memoryPerNode =
+      getInt(getNodePrefix(node) + MEMORY,
+        YarnConfiguration.DEFAULT_NM_PMEM_MB);
+    return memoryPerNode;
+  }
+
+  public void setMemoryPerNode(String node, int memory) {
+    setInt(getNodePrefix(node) + MEMORY, memory);
+    LOG.debug("DRConf - setMemoryPerNode: nodePrefix=" + getNodePrefix(node) +
+      ", memory=" + memory);
+  }
+
+  public int getOverCommitTimeoutPerNode(String node) {
+    int overCommitTimeoutPerNode =
+      getInt(getNodePrefix(node) + OVERCOMMIT_TIMEOUT,
+      ResourceOption.OVER_COMMIT_TIMEOUT_MILLIS_DEFAULT);
+    return overCommitTimeoutPerNode;
+  }
+
+  public void setOverCommitTimeoutPerNode(String node, int overCommitTimeout) {
+    setInt(getNodePrefix(node) + OVERCOMMIT_TIMEOUT, overCommitTimeout);
+    LOG.debug("DRConf - setOverCommitTimeoutPerNode: nodePrefix=" +
+      getNodePrefix(node) +
+        ", overCommitTimeout=" + overCommitTimeout);
+  }
+
+  public String[] getNodes() {
+    String[] nodes = getStrings(PREFIX + NODES);
+    return nodes;
+  }
+
+  public void setNodes(String[] nodes) {
+    set(PREFIX + NODES, StringUtils.arrayToString(nodes));
+  }
+
+  public Map<NodeId, ResourceOption> getNodeResourceMap() {
+    String[] nodes = getNodes();
+    Map<NodeId, ResourceOption> resourceOptions
+      = new HashMap<NodeId, ResourceOption> ();
+
+    for (String node : nodes) {
+      NodeId nid = ConverterUtils.toNodeId(node);
+      int vcores = getVcoresPerNode(node);
+      int memory = getMemoryPerNode(node);
+      int overCommitTimeout = getOverCommitTimeoutPerNode(node);
+      Resource resource = Resources.createResource(memory, vcores);
+      ResourceOption resourceOption =
+          ResourceOption.newInstance(resource, overCommitTimeout);
+      resourceOptions.put(nid, resourceOption);
+    }
+
+    return resourceOptions;
+  }
+}

http://git-wip-us.apache.org/repos/asf/hadoop/blob/73e3a49e/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/rmnode/RMNode.java
----------------------------------------------------------------------
diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/rmnode/RMNode.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/rmnode/RMNode.java
index 00cd3b6..6bb0971 100644
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/rmnode/RMNode.java
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/rmnode/RMNode.java
@@ -37,9 +37,6 @@ import org.apache.hadoop.yarn.server.api.protocolrecords.NodeHeartbeatResponse;
  */
 public interface RMNode {
 
-  /** negative value means no timeout */
-  public static final int OVER_COMMIT_TIMEOUT_MILLIS_DEFAULT = -1;
-  
   /**
    * the node id of of this node.
    * @return the node id of this node.

http://git-wip-us.apache.org/repos/asf/hadoop/blob/73e3a49e/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/TestRMAdminService.java
----------------------------------------------------------------------
diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/TestRMAdminService.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/TestRMAdminService.java
index f62559a..7e75cfa 100644
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/TestRMAdminService.java
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/TestRMAdminService.java
@@ -58,11 +58,17 @@ import org.apache.hadoop.yarn.server.api.protocolrecords.RefreshQueuesRequest;
 import org.apache.hadoop.yarn.server.api.protocolrecords.RefreshServiceAclsRequest;
 import org.apache.hadoop.yarn.server.api.protocolrecords.RefreshSuperUserGroupsConfigurationRequest;
 import org.apache.hadoop.yarn.server.api.protocolrecords.RefreshUserToGroupsMappingsRequest;
+import org.apache.hadoop.yarn.server.api.protocolrecords.RefreshNodesResourcesRequest;
 import org.apache.hadoop.yarn.server.api.protocolrecords.RemoveFromClusterNodeLabelsRequest;
 import org.apache.hadoop.yarn.server.api.protocolrecords.ReplaceLabelsOnNodeRequest;
 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.scheduler.capacity.CapacityScheduler;
 import org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.CapacitySchedulerConfiguration;
+import org.apache.hadoop.yarn.server.resourcemanager.resource.DynamicResourceConfiguration;
+import org.apache.hadoop.yarn.api.records.NodeId;
+import org.apache.hadoop.yarn.api.records.Resource;
+import org.apache.hadoop.yarn.util.ConverterUtils;
 import org.junit.After;
 import org.junit.Assert;
 import org.junit.Before;
@@ -82,6 +88,8 @@ public class TestRMAdminService {
   static {
     YarnConfiguration.addDefaultResource(
         YarnConfiguration.CS_CONFIGURATION_FILE);
+    YarnConfiguration.addDefaultResource(
+        YarnConfiguration.DR_CONFIGURATION_FILE);
   }
 
   @Before
@@ -169,6 +177,44 @@ public class TestRMAdminService {
   }
 
   @Test
+  public void testAdminRefreshNodesResourcesWithFileSystemBasedConfigurationProvider()
+      throws IOException, YarnException {
+    configuration.set(YarnConfiguration.RM_CONFIGURATION_PROVIDER_CLASS,
+        "org.apache.hadoop.yarn.FileSystemBasedConfigurationProvider");
+
+    //upload default configurations
+    uploadDefaultConfiguration();
+
+    try {
+      rm = new MockRM(configuration);
+      rm.init(configuration);
+      rm.start();
+      rm.registerNode("h1:1234", 5120);
+    } catch(Exception ex) {
+      fail("Should not get any exceptions");
+    }
+
+    NodeId nid = ConverterUtils.toNodeId("h1:1234");
+    RMNode ni = rm.getRMContext().getRMNodes().get(nid);
+    Resource resource = ni.getTotalCapability();
+    Assert.assertEquals("<memory:5120, vCores:5>", resource.toString());
+
+    DynamicResourceConfiguration drConf =
+        new DynamicResourceConfiguration();
+    drConf.set("yarn.resource.dynamic.nodes", "h1:1234");
+    drConf.set("yarn.resource.dynamic.h1:1234.vcores", "4");
+    drConf.set("yarn.resource.dynamic.h1:1234.memory", "4096");
+    uploadConfiguration(drConf, "dynamic-resources.xml");
+
+    rm.adminService.refreshNodesResources(
+        RefreshNodesResourcesRequest.newInstance());
+
+    RMNode niAfter = rm.getRMContext().getRMNodes().get(nid);
+    Resource resourceAfter = niAfter.getTotalCapability();
+    Assert.assertEquals("<memory:4096, vCores:4>", resourceAfter.toString());
+  }
+
+  @Test
   public void testAdminAclsWithLocalConfigurationProvider() {
     rm = new MockRM(configuration);
     rm.init(configuration);

http://git-wip-us.apache.org/repos/asf/hadoop/blob/73e3a49e/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/TestRMNodeTransitions.java
----------------------------------------------------------------------
diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/TestRMNodeTransitions.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/TestRMNodeTransitions.java
index 4964c59..61c6166 100644
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/TestRMNodeTransitions.java
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/TestRMNodeTransitions.java
@@ -659,7 +659,7 @@ public class TestRMNodeTransitions {
     assertEquals("CPU resource is not match.", oldCapacity.getVirtualCores(), 4);
     node.handle(new RMNodeResourceUpdateEvent(node.getNodeID(),
         ResourceOption.newInstance(Resource.newInstance(2048, 2), 
-            RMNode.OVER_COMMIT_TIMEOUT_MILLIS_DEFAULT)));
+            ResourceOption.OVER_COMMIT_TIMEOUT_MILLIS_DEFAULT)));
     Resource newCapacity = node.getTotalCapability();
     assertEquals("Memory resource is not match.", newCapacity.getMemory(), 2048);
     assertEquals("CPU resource is not match.", newCapacity.getVirtualCores(), 2);
@@ -678,7 +678,7 @@ public class TestRMNodeTransitions {
     assertEquals("CPU resource is not match.", oldCapacity.getVirtualCores(), 4);
     node.handle(new RMNodeResourceUpdateEvent(node.getNodeID(),
         ResourceOption.newInstance(Resource.newInstance(2048, 2), 
-            RMNode.OVER_COMMIT_TIMEOUT_MILLIS_DEFAULT)));
+            ResourceOption.OVER_COMMIT_TIMEOUT_MILLIS_DEFAULT)));
     Resource newCapacity = node.getTotalCapability();
     assertEquals("Memory resource is not match.", newCapacity.getMemory(), 2048);
     assertEquals("CPU resource is not match.", newCapacity.getVirtualCores(), 2);
@@ -694,7 +694,7 @@ public class TestRMNodeTransitions {
     assertEquals("CPU resource is not match.", oldCapacity.getVirtualCores(), 4);
     node.handle(new RMNodeResourceUpdateEvent(node.getNodeID(),
         ResourceOption.newInstance(Resource.newInstance(2048, 2), 
-            RMNode.OVER_COMMIT_TIMEOUT_MILLIS_DEFAULT)));
+            ResourceOption.OVER_COMMIT_TIMEOUT_MILLIS_DEFAULT)));
     Resource newCapacity = node.getTotalCapability();
     assertEquals("Memory resource is not match.", newCapacity.getMemory(), 2048);
     assertEquals("CPU resource is not match.", newCapacity.getVirtualCores(), 2);

http://git-wip-us.apache.org/repos/asf/hadoop/blob/73e3a49e/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/fifo/TestFifoScheduler.java
----------------------------------------------------------------------
diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/fifo/TestFifoScheduler.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/fifo/TestFifoScheduler.java
index 6607211..5b5c5ed 100644
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/fifo/TestFifoScheduler.java
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/fifo/TestFifoScheduler.java
@@ -327,7 +327,7 @@ public class TestFifoScheduler {
     
     NodeResourceUpdateSchedulerEvent node0ResourceUpdate = new 
         NodeResourceUpdateSchedulerEvent(node0, ResourceOption.newInstance(
-            newResource, RMNode.OVER_COMMIT_TIMEOUT_MILLIS_DEFAULT));
+            newResource, ResourceOption.OVER_COMMIT_TIMEOUT_MILLIS_DEFAULT));
     scheduler.handle(node0ResourceUpdate);
     
     // SchedulerNode's total resource and available resource are changed.


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