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Posted to common-commits@hadoop.apache.org by ae...@apache.org on 2016/09/01 15:50:38 UTC

[42/50] [abbrv] hadoop git commit: YARN-5221. Expose UpdateResourceRequest API to allow AM to request for change in container properties. (asuresh)

http://git-wip-us.apache.org/repos/asf/hadoop/blob/d6d9cff2/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/api/protocolrecords/impl/pb/AllocateRequestPBImpl.java
----------------------------------------------------------------------
diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/api/protocolrecords/impl/pb/AllocateRequestPBImpl.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/api/protocolrecords/impl/pb/AllocateRequestPBImpl.java
index d6db32c..0f0f571 100644
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/api/protocolrecords/impl/pb/AllocateRequestPBImpl.java
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/api/protocolrecords/impl/pb/AllocateRequestPBImpl.java
@@ -27,17 +27,17 @@ import org.apache.hadoop.classification.InterfaceAudience.Private;
 import org.apache.hadoop.classification.InterfaceStability.Unstable;
 import org.apache.hadoop.yarn.api.protocolrecords.AllocateRequest;
 import org.apache.hadoop.yarn.api.records.ContainerId;
-import org.apache.hadoop.yarn.api.records.ContainerResourceChangeRequest;
 import org.apache.hadoop.yarn.api.records.ResourceBlacklistRequest;
 import org.apache.hadoop.yarn.api.records.ResourceRequest;
+import org.apache.hadoop.yarn.api.records.UpdateContainerRequest;
 import org.apache.hadoop.yarn.api.records.impl.pb.ContainerIdPBImpl;
-import org.apache.hadoop.yarn.api.records.impl.pb.ContainerResourceChangeRequestPBImpl;
 import org.apache.hadoop.yarn.api.records.impl.pb.ResourceBlacklistRequestPBImpl;
 import org.apache.hadoop.yarn.api.records.impl.pb.ResourceRequestPBImpl;
+import org.apache.hadoop.yarn.api.records.impl.pb.UpdateContainerRequestPBImpl;
 import org.apache.hadoop.yarn.proto.YarnProtos.ContainerIdProto;
-import org.apache.hadoop.yarn.proto.YarnProtos.ContainerResourceChangeRequestProto;
 import org.apache.hadoop.yarn.proto.YarnProtos.ResourceBlacklistRequestProto;
 import org.apache.hadoop.yarn.proto.YarnProtos.ResourceRequestProto;
+import org.apache.hadoop.yarn.proto.YarnServiceProtos.UpdateContainerRequestProto;
 import org.apache.hadoop.yarn.proto.YarnServiceProtos.AllocateRequestProto;
 import org.apache.hadoop.yarn.proto.YarnServiceProtos.AllocateRequestProtoOrBuilder;
 
@@ -52,8 +52,7 @@ public class AllocateRequestPBImpl extends AllocateRequest {
 
   private List<ResourceRequest> ask = null;
   private List<ContainerId> release = null;
-  private List<ContainerResourceChangeRequest> increaseRequests = null;
-  private List<ContainerResourceChangeRequest> decreaseRequests = null;
+  private List<UpdateContainerRequest> updateRequests = null;
   private ResourceBlacklistRequest blacklistRequest = null;
   
   public AllocateRequestPBImpl() {
@@ -99,11 +98,8 @@ public class AllocateRequestPBImpl extends AllocateRequest {
     if (this.release != null) {
       addReleasesToProto();
     }
-    if (this.increaseRequests != null) {
-      addIncreaseRequestsToProto();
-    }
-    if (this.decreaseRequests != null) {
-      addDecreaseRequestsToProto();
+    if (this.updateRequests != null) {
+      addUpdateRequestsToProto();
     }
     if (this.blacklistRequest != null) {
       builder.setBlacklistRequest(convertToProtoFormat(this.blacklistRequest));
@@ -166,37 +162,19 @@ public class AllocateRequestPBImpl extends AllocateRequest {
   }
   
   @Override
-  public List<ContainerResourceChangeRequest> getIncreaseRequests() {
-    initIncreaseRequests();
-    return this.increaseRequests;
+  public List<UpdateContainerRequest> getUpdateRequests() {
+    initUpdateRequests();
+    return this.updateRequests;
   }
 
   @Override
-  public void setIncreaseRequests(
-      List<ContainerResourceChangeRequest> increaseRequests) {
-    if (increaseRequests == null) {
+  public void setUpdateRequests(List<UpdateContainerRequest> updateRequests) {
+    if (updateRequests == null) {
       return;
     }
-    initIncreaseRequests();
-    this.increaseRequests.clear();
-    this.increaseRequests.addAll(increaseRequests);
-  }
-
-  @Override
-  public List<ContainerResourceChangeRequest> getDecreaseRequests() {
-    initDecreaseRequests();
-    return this.decreaseRequests;
-  }
-
-  @Override
-  public void setDecreaseRequests(
-          List<ContainerResourceChangeRequest> decreaseRequests) {
-    if (decreaseRequests == null) {
-      return;
-    }
-    initDecreaseRequests();
-    this.decreaseRequests.clear();
-    this.decreaseRequests.addAll(decreaseRequests);
+    initUpdateRequests();
+    this.updateRequests.clear();
+    this.updateRequests.addAll(updateRequests);
   }
 
   @Override
@@ -239,7 +217,8 @@ public class AllocateRequestPBImpl extends AllocateRequest {
     builder.clearAsk();
     if (ask == null)
       return;
-    Iterable<ResourceRequestProto> iterable = new Iterable<ResourceRequestProto>() {
+    Iterable<ResourceRequestProto> iterable =
+        new Iterable<ResourceRequestProto>() {
       @Override
       public Iterator<ResourceRequestProto> iterator() {
         return new Iterator<ResourceRequestProto>() {
@@ -268,84 +247,34 @@ public class AllocateRequestPBImpl extends AllocateRequest {
     builder.addAllAsk(iterable);
   }
   
-  private void initIncreaseRequests() {
-    if (this.increaseRequests != null) {
+  private void initUpdateRequests() {
+    if (this.updateRequests != null) {
       return;
     }
     AllocateRequestProtoOrBuilder p = viaProto ? proto : builder;
-    List<ContainerResourceChangeRequestProto> list =
-        p.getIncreaseRequestList();
-    this.increaseRequests = new ArrayList<ContainerResourceChangeRequest>();
+    List<UpdateContainerRequestProto> list =
+        p.getUpdateRequestsList();
+    this.updateRequests = new ArrayList<>();
 
-    for (ContainerResourceChangeRequestProto c : list) {
-      this.increaseRequests.add(convertFromProtoFormat(c));
-    }
-  }
-
-  private void initDecreaseRequests() {
-    if (this.decreaseRequests != null) {
-      return;
-    }
-    AllocateRequestProtoOrBuilder p = viaProto ? proto : builder;
-    List<ContainerResourceChangeRequestProto> list =
-            p.getDecreaseRequestList();
-    this.decreaseRequests = new ArrayList<>();
-
-    for (ContainerResourceChangeRequestProto c : list) {
-      this.decreaseRequests.add(convertFromProtoFormat(c));
-    }
-  }
-
-  private void addIncreaseRequestsToProto() {
-    maybeInitBuilder();
-    builder.clearIncreaseRequest();
-    if (increaseRequests == null) {
-      return;
+    for (UpdateContainerRequestProto c : list) {
+      this.updateRequests.add(convertFromProtoFormat(c));
     }
-    Iterable<ContainerResourceChangeRequestProto> iterable =
-        new Iterable<ContainerResourceChangeRequestProto>() {
-          @Override
-          public Iterator<ContainerResourceChangeRequestProto> iterator() {
-            return new Iterator<ContainerResourceChangeRequestProto>() {
-
-              Iterator<ContainerResourceChangeRequest> iter =
-                  increaseRequests.iterator();
-
-              @Override
-              public boolean hasNext() {
-                return iter.hasNext();
-              }
-
-              @Override
-              public ContainerResourceChangeRequestProto next() {
-                return convertToProtoFormat(iter.next());
-              }
-
-              @Override
-              public void remove() {
-                throw new UnsupportedOperationException();
-              }
-            };
-
-          }
-        };
-    builder.addAllIncreaseRequest(iterable);
   }
 
-  private void addDecreaseRequestsToProto() {
+  private void addUpdateRequestsToProto() {
     maybeInitBuilder();
-    builder.clearDecreaseRequest();
-    if (decreaseRequests == null) {
+    builder.clearUpdateRequests();
+    if (updateRequests == null) {
       return;
     }
-    Iterable<ContainerResourceChangeRequestProto> iterable =
-        new Iterable<ContainerResourceChangeRequestProto>() {
+    Iterable<UpdateContainerRequestProto> iterable =
+        new Iterable<UpdateContainerRequestProto>() {
           @Override
-          public Iterator<ContainerResourceChangeRequestProto> iterator() {
-            return new Iterator<ContainerResourceChangeRequestProto>() {
+          public Iterator<UpdateContainerRequestProto> iterator() {
+            return new Iterator<UpdateContainerRequestProto>() {
 
-              Iterator<ContainerResourceChangeRequest> iter =
-                      decreaseRequests.iterator();
+              private Iterator<UpdateContainerRequest> iter =
+                  updateRequests.iterator();
 
               @Override
               public boolean hasNext() {
@@ -353,7 +282,7 @@ public class AllocateRequestPBImpl extends AllocateRequest {
               }
 
               @Override
-              public ContainerResourceChangeRequestProto next() {
+              public UpdateContainerRequestProto next() {
                 return convertToProtoFormat(iter.next());
               }
 
@@ -365,7 +294,7 @@ public class AllocateRequestPBImpl extends AllocateRequest {
 
           }
         };
-    builder.addAllDecreaseRequest(iterable);
+    builder.addAllUpdateRequests(iterable);
   }
 
   @Override
@@ -438,14 +367,14 @@ public class AllocateRequestPBImpl extends AllocateRequest {
     return ((ResourceRequestPBImpl)t).getProto();
   }
   
-  private ContainerResourceChangeRequestPBImpl convertFromProtoFormat(
-      ContainerResourceChangeRequestProto p) {
-    return new ContainerResourceChangeRequestPBImpl(p);
+  private UpdateContainerRequestPBImpl convertFromProtoFormat(
+      UpdateContainerRequestProto p) {
+    return new UpdateContainerRequestPBImpl(p);
   }
 
-  private ContainerResourceChangeRequestProto convertToProtoFormat(
-      ContainerResourceChangeRequest t) {
-    return ((ContainerResourceChangeRequestPBImpl) t).getProto();
+  private UpdateContainerRequestProto convertToProtoFormat(
+      UpdateContainerRequest t) {
+    return ((UpdateContainerRequestPBImpl) t).getProto();
   }
 
   private ContainerIdPBImpl convertFromProtoFormat(ContainerIdProto p) {

http://git-wip-us.apache.org/repos/asf/hadoop/blob/d6d9cff2/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/api/protocolrecords/impl/pb/AllocateResponsePBImpl.java
----------------------------------------------------------------------
diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/api/protocolrecords/impl/pb/AllocateResponsePBImpl.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/api/protocolrecords/impl/pb/AllocateResponsePBImpl.java
index d096a6f..b4f51ef 100644
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/api/protocolrecords/impl/pb/AllocateResponsePBImpl.java
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/api/protocolrecords/impl/pb/AllocateResponsePBImpl.java
@@ -36,6 +36,8 @@ import org.apache.hadoop.yarn.api.records.PreemptionMessage;
 import org.apache.hadoop.yarn.api.records.Priority;
 import org.apache.hadoop.yarn.api.records.Resource;
 import org.apache.hadoop.yarn.api.records.Token;
+import org.apache.hadoop.yarn.api.records.UpdateContainerError;
+import org.apache.hadoop.yarn.api.records.UpdatedContainer;
 import org.apache.hadoop.yarn.api.records.impl.pb.ContainerPBImpl;
 import org.apache.hadoop.yarn.api.records.impl.pb.ContainerStatusPBImpl;
 import org.apache.hadoop.yarn.api.records.impl.pb.NMTokenPBImpl;
@@ -45,12 +47,14 @@ import org.apache.hadoop.yarn.api.records.impl.pb.PriorityPBImpl;
 import org.apache.hadoop.yarn.api.records.impl.pb.ProtoUtils;
 import org.apache.hadoop.yarn.api.records.impl.pb.ResourcePBImpl;
 import org.apache.hadoop.yarn.api.records.impl.pb.TokenPBImpl;
+import org.apache.hadoop.yarn.api.records.impl.pb.UpdatedContainerPBImpl;
 import org.apache.hadoop.yarn.proto.YarnProtos.ContainerProto;
 import org.apache.hadoop.yarn.proto.YarnProtos.ContainerStatusProto;
 import org.apache.hadoop.yarn.proto.YarnProtos.NodeReportProto;
 import org.apache.hadoop.yarn.proto.YarnProtos.PreemptionMessageProto;
 import org.apache.hadoop.yarn.proto.YarnProtos.PriorityProto;
 import org.apache.hadoop.yarn.proto.YarnProtos.ResourceProto;
+import org.apache.hadoop.yarn.proto.YarnServiceProtos;
 import org.apache.hadoop.yarn.proto.YarnServiceProtos.AllocateResponseProto;
 import org.apache.hadoop.yarn.proto.YarnServiceProtos.AllocateResponseProtoOrBuilder;
 import org.apache.hadoop.yarn.proto.YarnServiceProtos.NMTokenProto;
@@ -69,10 +73,10 @@ public class AllocateResponsePBImpl extends AllocateResponse {
   private List<Container> allocatedContainers = null;
   private List<NMToken> nmTokens = null;
   private List<ContainerStatus> completedContainersStatuses = null;
-  private List<Container> increasedContainers = null;
-  private List<Container> decreasedContainers = null;
+  private List<UpdatedContainer> updatedContainers = null;
 
   private List<NodeReport> updatedNodes = null;
+  private List<UpdateContainerError> updateErrors = null;
   private PreemptionMessage preempt;
   private Token amrmToken = null;
   private Priority appPriority = null;
@@ -143,17 +147,17 @@ public class AllocateResponsePBImpl extends AllocateResponse {
     if (this.preempt != null) {
       builder.setPreempt(convertToProtoFormat(this.preempt));
     }
-    if (this.increasedContainers != null) {
-      builder.clearIncreasedContainers();
-      Iterable<ContainerProto> iterable =
-          getContainerProtoIterable(this.increasedContainers);
-      builder.addAllIncreasedContainers(iterable);
+    if (this.updatedContainers != null) {
+      builder.clearUpdatedContainers();
+      Iterable<YarnServiceProtos.UpdatedContainerProto> iterable =
+          getUpdatedContainerProtoIterable(this.updatedContainers);
+      builder.addAllUpdatedContainers(iterable);
     }
-    if (this.decreasedContainers != null) {
-      builder.clearDecreasedContainers();
-      Iterable<ContainerProto> iterable =
-          getContainerProtoIterable(this.decreasedContainers);
-      builder.addAllDecreasedContainers(iterable);
+    if (this.updateErrors != null) {
+      builder.clearUpdateErrors();
+      Iterable<YarnServiceProtos.UpdateContainerErrorProto> iterable =
+          getUpdateErrorsIterable(this.updateErrors);
+      builder.addAllUpdateErrors(iterable);
     }
     if (this.amrmToken != null) {
       builder.setAmRmToken(convertToProtoFormat(this.amrmToken));
@@ -248,49 +252,52 @@ public class AllocateResponsePBImpl extends AllocateResponse {
   }
 
   @Override
-  public synchronized List<Container> getAllocatedContainers() {
-    initLocalNewContainerList();
-    return this.allocatedContainers;
+  public synchronized List<UpdateContainerError> getUpdateErrors() {
+    initLocalUpdateErrorsList();
+    return this.updateErrors;
   }
 
   @Override
-  public synchronized void setAllocatedContainers(
-      final List<Container> containers) {
-    if (containers == null)
+  public synchronized void setUpdateErrors(
+      List<UpdateContainerError> updateErrors) {
+    if (updateErrors == null) {
+      this.updateErrors.clear();
       return;
-    // this looks like a bug because it results in append and not set
-    initLocalNewContainerList();
-    allocatedContainers.addAll(containers);
+    }
+    this.updateErrors = new ArrayList<>(
+        updateErrors.size());
+    this.updateErrors.addAll(updateErrors);
   }
 
   @Override
-  public synchronized List<Container> getIncreasedContainers() {
-    initLocalIncreasedContainerList();
-    return this.increasedContainers;
+  public synchronized List<Container> getAllocatedContainers() {
+    initLocalNewContainerList();
+    return this.allocatedContainers;
   }
 
   @Override
-  public synchronized void setIncreasedContainers(
+  public synchronized void setAllocatedContainers(
       final List<Container> containers) {
     if (containers == null)
       return;
-    initLocalIncreasedContainerList();
-    increasedContainers.addAll(containers);
+    // this looks like a bug because it results in append and not set
+    initLocalNewContainerList();
+    allocatedContainers.addAll(containers);
   }
 
   @Override
-  public synchronized List<Container> getDecreasedContainers() {
-    initLocalDecreasedContainerList();
-    return this.decreasedContainers;
+  public synchronized List<UpdatedContainer> getUpdatedContainers() {
+    initLocalUpdatedContainerList();
+    return this.updatedContainers;
   }
 
   @Override
-  public synchronized void setDecreasedContainers(
-      final List<Container> containers) {
+  public synchronized void setUpdatedContainers(
+      final List<UpdatedContainer> containers) {
     if (containers == null)
       return;
-    initLocalDecreasedContainerList();
-    decreasedContainers.addAll(containers);
+    initLocalUpdatedContainerList();
+    updatedContainers.addAll(containers);
   }
 
   //// Finished containers
@@ -423,29 +430,17 @@ public class AllocateResponsePBImpl extends AllocateResponse {
     this.appPriority = priority;
   }
 
-  private synchronized void initLocalIncreasedContainerList() {
-    if (this.increasedContainers != null) {
+  private synchronized void initLocalUpdatedContainerList() {
+    if (this.updatedContainers != null) {
       return;
     }
     AllocateResponseProtoOrBuilder p = viaProto ? proto : builder;
-    List<ContainerProto> list = p.getIncreasedContainersList();
-    increasedContainers = new ArrayList<>();
+    List<YarnServiceProtos.UpdatedContainerProto> list =
+        p.getUpdatedContainersList();
+    updatedContainers = new ArrayList<>();
 
-    for (ContainerProto c : list) {
-      increasedContainers.add(convertFromProtoFormat(c));
-    }
-  }
-
-  private synchronized void initLocalDecreasedContainerList() {
-    if (this.decreasedContainers != null) {
-      return;
-    }
-    AllocateResponseProtoOrBuilder p = viaProto ? proto : builder;
-    List<ContainerProto> list = p.getDecreasedContainersList();
-    decreasedContainers = new ArrayList<>();
-
-    for (ContainerProto c : list) {
-      decreasedContainers.add(convertFromProtoFormat(c));
+    for (YarnServiceProtos.UpdatedContainerProto c : list) {
+      updatedContainers.add(convertFromProtoFormat(c));
     }
   }
 
@@ -491,6 +486,53 @@ public class AllocateResponsePBImpl extends AllocateResponse {
     }
   }
 
+  private synchronized void initLocalUpdateErrorsList() {
+    if (updateErrors != null) {
+      return;
+    }
+    AllocateResponseProtoOrBuilder p = viaProto ? proto : builder;
+    List<YarnServiceProtos.UpdateContainerErrorProto> list =
+        p.getUpdateErrorsList();
+    this.updateErrors = new ArrayList<UpdateContainerError>();
+    for (YarnServiceProtos.UpdateContainerErrorProto t : list) {
+      updateErrors.add(ProtoUtils.convertFromProtoFormat(t));
+    }
+  }
+
+  private synchronized Iterable<YarnServiceProtos.UpdateContainerErrorProto>
+      getUpdateErrorsIterable(
+      final List<UpdateContainerError> updateErrorsList) {
+    maybeInitBuilder();
+    return new Iterable<YarnServiceProtos.UpdateContainerErrorProto>() {
+      @Override
+      public synchronized Iterator<YarnServiceProtos
+          .UpdateContainerErrorProto> iterator() {
+        return new Iterator<YarnServiceProtos.UpdateContainerErrorProto>() {
+
+          private Iterator<UpdateContainerError> iter =
+              updateErrorsList.iterator();
+
+          @Override
+          public synchronized boolean hasNext() {
+            return iter.hasNext();
+          }
+
+          @Override
+          public synchronized YarnServiceProtos.UpdateContainerErrorProto
+              next() {
+            return ProtoUtils.convertToProtoFormat(iter.next());
+          }
+
+          @Override
+          public synchronized void remove() {
+            throw new UnsupportedOperationException();
+          }
+        };
+
+      }
+    };
+  }
+
   private synchronized Iterable<ContainerProto> getContainerProtoIterable(
       final List<Container> newContainersList) {
     maybeInitBuilder();
@@ -522,6 +564,40 @@ public class AllocateResponsePBImpl extends AllocateResponse {
     };
   }
 
+  private synchronized Iterable<YarnServiceProtos.UpdatedContainerProto>
+        getUpdatedContainerProtoIterable(
+      final List<UpdatedContainer> newUpdatedContainersList) {
+    maybeInitBuilder();
+    return new Iterable<YarnServiceProtos.UpdatedContainerProto>() {
+      @Override
+      public synchronized Iterator<YarnServiceProtos.UpdatedContainerProto>
+          iterator() {
+        return new Iterator<YarnServiceProtos.UpdatedContainerProto>() {
+
+          private Iterator<UpdatedContainer> iter =
+              newUpdatedContainersList.iterator();
+
+          @Override
+          public synchronized boolean hasNext() {
+            return iter.hasNext();
+          }
+
+          @Override
+          public synchronized YarnServiceProtos.UpdatedContainerProto next() {
+            return convertToProtoFormat(iter.next());
+          }
+
+          @Override
+          public synchronized void remove() {
+            throw new UnsupportedOperationException();
+
+          }
+        };
+
+      }
+    };
+  }
+
   private synchronized Iterable<NMTokenProto> getTokenProtoIterable(
       final List<NMToken> nmTokenList) {
     maybeInitBuilder();
@@ -648,6 +724,16 @@ public class AllocateResponsePBImpl extends AllocateResponse {
     return ((ContainerPBImpl)t).getProto();
   }
 
+  private synchronized UpdatedContainerPBImpl convertFromProtoFormat(
+      YarnServiceProtos.UpdatedContainerProto p) {
+    return new UpdatedContainerPBImpl(p);
+  }
+
+  private synchronized YarnServiceProtos.UpdatedContainerProto
+      convertToProtoFormat(UpdatedContainer t) {
+    return ((UpdatedContainerPBImpl)t).getProto();
+  }
+
   private synchronized ContainerStatusPBImpl convertFromProtoFormat(
       ContainerStatusProto p) {
     return new ContainerStatusPBImpl(p);

http://git-wip-us.apache.org/repos/asf/hadoop/blob/d6d9cff2/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/api/records/impl/pb/ContainerPBImpl.java
----------------------------------------------------------------------
diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/api/records/impl/pb/ContainerPBImpl.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/api/records/impl/pb/ContainerPBImpl.java
index 91b3e5f..6bf653d 100644
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/api/records/impl/pb/ContainerPBImpl.java
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/api/records/impl/pb/ContainerPBImpl.java
@@ -274,6 +274,18 @@ public class ContainerPBImpl extends Container {
     builder.setAllocationRequestId(allocationRequestID);
   }
 
+  @Override
+  public int getVersion() {
+    ContainerProtoOrBuilder p = viaProto ? proto : builder;
+    return p.getVersion();
+  }
+
+  @Override
+  public void setVersion(int version) {
+    maybeInitBuilder();
+    builder.setVersion(version);
+  }
+
   private ContainerIdPBImpl convertFromProtoFormat(ContainerIdProto p) {
     return new ContainerIdPBImpl(p);
   }
@@ -329,6 +341,7 @@ public class ContainerPBImpl extends Container {
     sb.append("ContainerId: ").append(getId()).append(", ");
     sb.append("AllocationRequestId: ").append(getAllocationRequestId())
         .append(", ");
+    sb.append("Version: ").append(getVersion()).append(", ");
     sb.append("NodeId: ").append(getNodeId()).append(", ");
     sb.append("NodeHttpAddress: ").append(getNodeHttpAddress()).append(", ");
     sb.append("Resource: ").append(getResource()).append(", ");

http://git-wip-us.apache.org/repos/asf/hadoop/blob/d6d9cff2/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/api/records/impl/pb/ContainerResourceChangeRequestPBImpl.java
----------------------------------------------------------------------
diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/api/records/impl/pb/ContainerResourceChangeRequestPBImpl.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/api/records/impl/pb/ContainerResourceChangeRequestPBImpl.java
deleted file mode 100644
index f382b8c..0000000
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/api/records/impl/pb/ContainerResourceChangeRequestPBImpl.java
+++ /dev/null
@@ -1,141 +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.api.records.impl.pb;
-
-import org.apache.hadoop.yarn.api.records.ContainerId;
-import org.apache.hadoop.yarn.api.records.ContainerResourceChangeRequest;
-import org.apache.hadoop.yarn.api.records.Resource;
-import org.apache.hadoop.yarn.proto.YarnProtos.ContainerIdProto;
-import org.apache.hadoop.yarn.proto.YarnProtos.ContainerResourceChangeRequestProto;
-import org.apache.hadoop.yarn.proto.YarnProtos.ContainerResourceChangeRequestProtoOrBuilder;
-import org.apache.hadoop.yarn.proto.YarnProtos.ResourceProto;
-
-
-public class ContainerResourceChangeRequestPBImpl extends
-    ContainerResourceChangeRequest {
-  ContainerResourceChangeRequestProto proto =
-      ContainerResourceChangeRequestProto.getDefaultInstance();
-  ContainerResourceChangeRequestProto.Builder builder = null;
-  boolean viaProto = false;
-
-  private ContainerId existingContainerId = null;
-  private Resource targetCapability = null;
-
-  public ContainerResourceChangeRequestPBImpl() {
-    builder = ContainerResourceChangeRequestProto.newBuilder();
-  }
-
-  public ContainerResourceChangeRequestPBImpl(
-      ContainerResourceChangeRequestProto proto) {
-    this.proto = proto;
-    viaProto = true;
-  }
-
-  public ContainerResourceChangeRequestProto getProto() {
-    mergeLocalToProto();
-    proto = viaProto ? proto : builder.build();
-    viaProto = true;
-    return proto;
-  }
-
-  @Override
-  public ContainerId getContainerId() {
-    ContainerResourceChangeRequestProtoOrBuilder p = viaProto ? proto
-        : builder;
-    if (this.existingContainerId != null) {
-      return this.existingContainerId;
-    }
-    if (p.hasContainerId()) {
-      this.existingContainerId = convertFromProtoFormat(p.getContainerId());
-    }
-    return this.existingContainerId;
-  }
-
-  @Override
-  public void setContainerId(ContainerId existingContainerId) {
-    maybeInitBuilder();
-    if (existingContainerId == null) {
-      builder.clearContainerId();
-    }
-    this.existingContainerId = existingContainerId;
-  }
-
-  @Override
-  public Resource getCapability() {
-    ContainerResourceChangeRequestProtoOrBuilder p = viaProto ? proto
-        : builder;
-    if (this.targetCapability != null) {
-      return this.targetCapability;
-    }
-    if (p.hasCapability()) {
-      this.targetCapability = convertFromProtoFormat(p.getCapability());
-    }
-    return this.targetCapability;
-  }
-
-  @Override
-  public void setCapability(Resource targetCapability) {
-    maybeInitBuilder();
-    if (targetCapability == null) {
-      builder.clearCapability();
-    }
-    this.targetCapability = targetCapability;
-  }
-
-  private ContainerIdPBImpl convertFromProtoFormat(ContainerIdProto p) {
-    return new ContainerIdPBImpl(p);
-  }
-
-  private ContainerIdProto convertToProtoFormat(ContainerId t) {
-    return ((ContainerIdPBImpl) t).getProto();
-  }
-
-  private Resource convertFromProtoFormat(ResourceProto p) {
-    return new ResourcePBImpl(p);
-  }
-
-  private ResourceProto convertToProtoFormat(Resource t) {
-    return ((ResourcePBImpl) t).getProto();
-  }
-
-  private void mergeLocalToProto() {
-    if (viaProto) {
-      maybeInitBuilder();
-    }
-    mergeLocalToBuilder();
-    proto = builder.build();
-    viaProto = true;
-  }
-
-  private void maybeInitBuilder() {
-    if (viaProto || builder == null) {
-      builder = ContainerResourceChangeRequestProto.newBuilder(proto);
-    }
-    viaProto = false;
-  }
-
-  private void mergeLocalToBuilder() {
-    if (this.existingContainerId != null) {
-      builder.setContainerId(convertToProtoFormat(this.existingContainerId));
-    }
-    if (this.targetCapability != null) {
-      builder.setCapability(convertToProtoFormat(this.targetCapability));
-    }
-  }
-}

http://git-wip-us.apache.org/repos/asf/hadoop/blob/d6d9cff2/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/api/records/impl/pb/ProtoUtils.java
----------------------------------------------------------------------
diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/api/records/impl/pb/ProtoUtils.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/api/records/impl/pb/ProtoUtils.java
index 4b62358..128120e 100644
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/api/records/impl/pb/ProtoUtils.java
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/api/records/impl/pb/ProtoUtils.java
@@ -27,8 +27,10 @@ import org.apache.hadoop.yarn.api.records.AMCommand;
 import org.apache.hadoop.yarn.api.records.ApplicationAccessType;
 import org.apache.hadoop.yarn.api.records.ApplicationResourceUsageReport;
 import org.apache.hadoop.yarn.api.records.Container;
+import org.apache.hadoop.yarn.api.records.ContainerId;
 import org.apache.hadoop.yarn.api.records.ContainerRetryPolicy;
 import org.apache.hadoop.yarn.api.records.ContainerState;
+import org.apache.hadoop.yarn.api.records.ContainerUpdateType;
 import org.apache.hadoop.yarn.api.records.ExecutionTypeRequest;
 import org.apache.hadoop.yarn.api.records.ExecutionType;
 import org.apache.hadoop.yarn.api.records.FinalApplicationStatus;
@@ -41,12 +43,15 @@ import org.apache.hadoop.yarn.api.records.QueueACL;
 import org.apache.hadoop.yarn.api.records.QueueState;
 import org.apache.hadoop.yarn.api.records.ReservationRequestInterpreter;
 import org.apache.hadoop.yarn.api.records.Resource;
+import org.apache.hadoop.yarn.api.records.UpdateContainerError;
+import org.apache.hadoop.yarn.api.records.UpdateContainerRequest;
 import org.apache.hadoop.yarn.api.records.YarnApplicationAttemptState;
 import org.apache.hadoop.yarn.api.records.YarnApplicationState;
 import org.apache.hadoop.yarn.proto.YarnProtos;
 import org.apache.hadoop.yarn.proto.YarnProtos.AMCommandProto;
 import org.apache.hadoop.yarn.proto.YarnProtos.ApplicationAccessTypeProto;
 import org.apache.hadoop.yarn.proto.YarnProtos.ApplicationResourceUsageReportProto;
+import org.apache.hadoop.yarn.proto.YarnProtos.ContainerIdProto;
 import org.apache.hadoop.yarn.proto.YarnProtos.ContainerStateProto;
 import org.apache.hadoop.yarn.proto.YarnProtos.FinalApplicationStatusProto;
 import org.apache.hadoop.yarn.proto.YarnProtos.LocalResourceTypeProto;
@@ -57,6 +62,7 @@ import org.apache.hadoop.yarn.proto.YarnProtos.NodeStateProto;
 import org.apache.hadoop.yarn.proto.YarnProtos.QueueACLProto;
 import org.apache.hadoop.yarn.proto.YarnProtos.QueueStateProto;
 import org.apache.hadoop.yarn.proto.YarnProtos.ReservationRequestInterpreterProto;
+import org.apache.hadoop.yarn.proto.YarnProtos.ResourceProto;
 import org.apache.hadoop.yarn.proto.YarnProtos.YarnApplicationAttemptStateProto;
 import org.apache.hadoop.yarn.proto.YarnProtos.YarnApplicationStateProto;
 import org.apache.hadoop.yarn.proto.YarnProtos.ContainerRetryPolicyProto;
@@ -64,6 +70,7 @@ import org.apache.hadoop.yarn.proto.YarnProtos.ContainerTypeProto;
 import org.apache.hadoop.yarn.proto.YarnProtos.ExecutionTypeProto;
 import org.apache.hadoop.yarn.proto.YarnProtos.ExecutionTypeRequestProto;
 import org.apache.hadoop.yarn.proto.YarnServiceProtos;
+import org.apache.hadoop.yarn.proto.YarnServiceProtos.ContainerUpdateTypeProto;
 import org.apache.hadoop.yarn.server.api.ContainerType;
 
 import com.google.protobuf.ByteString;
@@ -303,15 +310,25 @@ public class ProtoUtils {
   }
 
   /*
+   * ContainerUpdateType
+   */
+  public static ContainerUpdateTypeProto convertToProtoFormat(
+      ContainerUpdateType e) {
+    return ContainerUpdateTypeProto.valueOf(e.name());
+  }
+  public static ContainerUpdateType convertFromProtoFormat(
+      ContainerUpdateTypeProto e) {
+    return ContainerUpdateType.valueOf(e.name());
+  }
+
+  /*
    * Resource
    */
-  public static synchronized YarnProtos.ResourceProto convertToProtoFormat(
-      Resource r) {
+  public static synchronized ResourceProto convertToProtoFormat(Resource r) {
     return ((ResourcePBImpl) r).getProto();
   }
 
-  public static Resource convertFromProtoFormat(
-      YarnProtos.ResourceProto resource) {
+  public static Resource convertFromProtoFormat(ResourceProto resource) {
     return new ResourcePBImpl(resource);
   }
 
@@ -349,8 +366,52 @@ public class ProtoUtils {
     return ((ContainerPBImpl)t).getProto();
   }
 
+  public static ContainerPBImpl convertFromProtoFormat(
+      YarnProtos.ContainerProto t) {
+    return new ContainerPBImpl(t);
+  }
+
   public static ContainerStatusPBImpl convertFromProtoFormat(
       YarnProtos.ContainerStatusProto p) {
     return new ContainerStatusPBImpl(p);
   }
+
+  /*
+   * ContainerId
+   */
+  public static ContainerIdPBImpl convertFromProtoFormat(ContainerIdProto p) {
+    return new ContainerIdPBImpl(p);
+  }
+
+  public static ContainerIdProto convertToProtoFormat(ContainerId t) {
+    return ((ContainerIdPBImpl) t).getProto();
+  }
+
+  /*
+   * UpdateContainerRequest
+   */
+  public static UpdateContainerRequestPBImpl convertFromProtoFormat(
+      YarnServiceProtos.UpdateContainerRequestProto p) {
+    return new UpdateContainerRequestPBImpl(p);
+  }
+
+  public static YarnServiceProtos.UpdateContainerRequestProto
+      convertToProtoFormat(UpdateContainerRequest t) {
+    return ((UpdateContainerRequestPBImpl) t).getProto();
+  }
+
+  /*
+   * UpdateContainerError
+   */
+  public static UpdateContainerErrorPBImpl convertFromProtoFormat(
+      YarnServiceProtos.UpdateContainerErrorProto p) {
+    return new UpdateContainerErrorPBImpl(p);
+  }
+
+  public static YarnServiceProtos.UpdateContainerErrorProto
+      convertToProtoFormat(UpdateContainerError t) {
+    return ((UpdateContainerErrorPBImpl) t).getProto();
+  }
 }
+
+

http://git-wip-us.apache.org/repos/asf/hadoop/blob/d6d9cff2/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/api/records/impl/pb/UpdateContainerErrorPBImpl.java
----------------------------------------------------------------------
diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/api/records/impl/pb/UpdateContainerErrorPBImpl.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/api/records/impl/pb/UpdateContainerErrorPBImpl.java
new file mode 100644
index 0000000..fb6c1a7
--- /dev/null
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/api/records/impl/pb/UpdateContainerErrorPBImpl.java
@@ -0,0 +1,125 @@
+/**
+ * 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.api.records.impl.pb;
+
+import org.apache.hadoop.yarn.api.records.UpdateContainerError;
+import org.apache.hadoop.yarn.api.records.UpdateContainerRequest;
+import org.apache.hadoop.yarn.proto.YarnServiceProtos;
+
+/**
+ * Implementation of <code>UpdateContainerError</code>.
+ */
+public class UpdateContainerErrorPBImpl extends UpdateContainerError {
+  private YarnServiceProtos.UpdateContainerErrorProto proto =
+      YarnServiceProtos.UpdateContainerErrorProto.getDefaultInstance();
+  private YarnServiceProtos.UpdateContainerErrorProto.Builder builder = null;
+  private boolean viaProto = false;
+
+  private String reason = null;
+  private UpdateContainerRequest updateRequest = null;
+
+  public UpdateContainerErrorPBImpl() {
+    builder = YarnServiceProtos.UpdateContainerErrorProto.newBuilder();
+  }
+
+  public UpdateContainerErrorPBImpl(YarnServiceProtos
+      .UpdateContainerErrorProto proto) {
+    this.proto = proto;
+    viaProto = true;
+  }
+
+  public YarnServiceProtos.UpdateContainerErrorProto getProto() {
+    mergeLocalToProto();
+    proto = viaProto ? proto : builder.build();
+    viaProto = true;
+    return proto;
+  }
+
+  @Override
+  public String getReason() {
+    YarnServiceProtos.UpdateContainerErrorProtoOrBuilder p = viaProto ? proto
+        : builder;
+    if (this.reason != null) {
+      return this.reason;
+    }
+    if (p.hasReason()) {
+      this.reason = p.getReason();
+    }
+    return this.reason;
+  }
+
+  @Override
+  public void setReason(String reason) {
+    maybeInitBuilder();
+    if (reason == null) {
+      builder.clearReason();
+    }
+    this.reason = reason;
+  }
+
+  @Override
+  public UpdateContainerRequest getUpdateContainerRequest() {
+    YarnServiceProtos.UpdateContainerErrorProtoOrBuilder p = viaProto ? proto
+        : builder;
+    if (this.updateRequest != null) {
+      return this.updateRequest;
+    }
+    if (p.hasUpdateRequest()) {
+      this.updateRequest =
+          ProtoUtils.convertFromProtoFormat(p.getUpdateRequest());
+    }
+    return this.updateRequest;
+  }
+
+  @Override
+  public void setUpdateContainerRequest(
+      UpdateContainerRequest updateContainerRequest) {
+    maybeInitBuilder();
+    if (updateContainerRequest == null) {
+      builder.clearUpdateRequest();
+    }
+    this.updateRequest = updateContainerRequest;
+  }
+
+  private void mergeLocalToProto() {
+    if (viaProto) {
+      maybeInitBuilder();
+    }
+    mergeLocalToBuilder();
+    proto = builder.build();
+    viaProto = true;
+  }
+
+  private void maybeInitBuilder() {
+    if (viaProto || builder == null) {
+      builder = YarnServiceProtos.UpdateContainerErrorProto.newBuilder(proto);
+    }
+    viaProto = false;
+  }
+
+  private void mergeLocalToBuilder() {
+    if (this.reason != null) {
+      builder.setReason(this.reason);
+    }
+    if (this.updateRequest != null) {
+      builder.setUpdateRequest(
+          ProtoUtils.convertToProtoFormat(this.updateRequest));
+    }
+  }
+}

http://git-wip-us.apache.org/repos/asf/hadoop/blob/d6d9cff2/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/api/records/impl/pb/UpdateContainerRequestPBImpl.java
----------------------------------------------------------------------
diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/api/records/impl/pb/UpdateContainerRequestPBImpl.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/api/records/impl/pb/UpdateContainerRequestPBImpl.java
new file mode 100644
index 0000000..f2b3c09
--- /dev/null
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/api/records/impl/pb/UpdateContainerRequestPBImpl.java
@@ -0,0 +1,187 @@
+/**
+ * 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.api.records.impl.pb;
+
+import org.apache.hadoop.yarn.api.records.ContainerId;
+import org.apache.hadoop.yarn.api.records.ContainerUpdateType;
+import org.apache.hadoop.yarn.api.records.ExecutionType;
+import org.apache.hadoop.yarn.api.records.Resource;
+import org.apache.hadoop.yarn.api.records.UpdateContainerRequest;
+import org.apache.hadoop.yarn.proto.YarnServiceProtos;
+
+/**
+ * Implementation of <code>UpdateContainerRequest</code>.
+ */
+public class UpdateContainerRequestPBImpl extends UpdateContainerRequest {
+  private YarnServiceProtos.UpdateContainerRequestProto proto =
+      YarnServiceProtos.UpdateContainerRequestProto.getDefaultInstance();
+  private YarnServiceProtos.UpdateContainerRequestProto.Builder builder = null;
+  private boolean viaProto = false;
+
+  private ContainerId existingContainerId = null;
+  private Resource targetCapability = null;
+
+  public UpdateContainerRequestPBImpl() {
+    builder = YarnServiceProtos.UpdateContainerRequestProto.newBuilder();
+  }
+
+  public UpdateContainerRequestPBImpl(YarnServiceProtos
+      .UpdateContainerRequestProto proto) {
+    this.proto = proto;
+    viaProto = true;
+  }
+
+  public YarnServiceProtos.UpdateContainerRequestProto getProto() {
+    mergeLocalToProto();
+    proto = viaProto ? proto : builder.build();
+    viaProto = true;
+    return proto;
+  }
+
+  @Override
+  public int getContainerVersion() {
+    YarnServiceProtos.UpdateContainerRequestProtoOrBuilder p =
+        viaProto ? proto : builder;
+    if (!p.hasContainerVersion()) {
+      return 0;
+    }
+    return p.getContainerVersion();
+  }
+
+  @Override
+  public void setContainerVersion(int containerVersion) {
+    maybeInitBuilder();
+    builder.setContainerVersion(containerVersion);
+  }
+
+  @Override
+  public ContainerId getContainerId() {
+    YarnServiceProtos.UpdateContainerRequestProtoOrBuilder p =
+        viaProto ? proto : builder;
+    if (this.existingContainerId != null) {
+      return this.existingContainerId;
+    }
+    if (p.hasContainerId()) {
+      this.existingContainerId =
+          ProtoUtils.convertFromProtoFormat(p.getContainerId());
+    }
+    return this.existingContainerId;
+  }
+
+  @Override
+  public void setContainerId(ContainerId containerId) {
+    maybeInitBuilder();
+    if (containerId == null) {
+      builder.clearContainerId();
+    }
+    this.existingContainerId = containerId;
+  }
+
+  @Override
+  public Resource getCapability() {
+    YarnServiceProtos.UpdateContainerRequestProtoOrBuilder p = viaProto ? proto
+        : builder;
+    if (this.targetCapability != null) {
+      return this.targetCapability;
+    }
+    if (p.hasCapability()) {
+      this.targetCapability =
+          ProtoUtils.convertFromProtoFormat(p.getCapability());
+    }
+    return this.targetCapability;
+  }
+
+  @Override
+  public void setCapability(Resource capability) {
+    maybeInitBuilder();
+    if (capability == null) {
+      builder.clearCapability();
+    }
+    this.targetCapability = capability;
+  }
+
+  @Override
+  public ExecutionType getExecutionType() {
+    YarnServiceProtos.UpdateContainerRequestProtoOrBuilder p =
+        viaProto ? proto : builder;
+    if (!p.hasExecutionType()) {
+      return null;
+    }
+    return ProtoUtils.convertFromProtoFormat(p.getExecutionType());
+  }
+
+  @Override
+  public void setExecutionType(ExecutionType execType) {
+    maybeInitBuilder();
+    if (execType == null) {
+      builder.clearExecutionType();
+      return;
+    }
+    builder.setExecutionType(ProtoUtils.convertToProtoFormat(execType));
+  }
+
+  @Override
+  public ContainerUpdateType getContainerUpdateType() {
+    YarnServiceProtos.UpdateContainerRequestProtoOrBuilder p =
+        viaProto ? proto : builder;
+    if (!p.hasUpdateType()) {
+      return null;
+    }
+    return ProtoUtils.convertFromProtoFormat(p.getUpdateType());
+  }
+
+  @Override
+  public void setContainerUpdateType(ContainerUpdateType updateType) {
+    maybeInitBuilder();
+    if (updateType == null) {
+      builder.clearUpdateType();
+      return;
+    }
+    builder.setUpdateType(ProtoUtils.convertToProtoFormat(updateType));
+  }
+
+  private void mergeLocalToProto() {
+    if (viaProto) {
+      maybeInitBuilder();
+    }
+    mergeLocalToBuilder();
+    proto = builder.build();
+    viaProto = true;
+  }
+
+  private void maybeInitBuilder() {
+    if (viaProto || builder == null) {
+      builder = YarnServiceProtos.UpdateContainerRequestProto.newBuilder(proto);
+    }
+    viaProto = false;
+  }
+
+  private void mergeLocalToBuilder() {
+    if (this.existingContainerId != null) {
+      builder.setContainerId(
+          ProtoUtils.convertToProtoFormat(this.existingContainerId));
+    }
+    if (this.targetCapability != null) {
+      builder.setCapability(
+          ProtoUtils.convertToProtoFormat(this.targetCapability));
+    }
+  }
+
+
+}

http://git-wip-us.apache.org/repos/asf/hadoop/blob/d6d9cff2/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/api/records/impl/pb/UpdatedContainerPBImpl.java
----------------------------------------------------------------------
diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/api/records/impl/pb/UpdatedContainerPBImpl.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/api/records/impl/pb/UpdatedContainerPBImpl.java
new file mode 100644
index 0000000..0cd1903
--- /dev/null
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/api/records/impl/pb/UpdatedContainerPBImpl.java
@@ -0,0 +1,117 @@
+/**
+ * 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.api.records.impl.pb;
+
+import org.apache.hadoop.yarn.api.records.Container;
+import org.apache.hadoop.yarn.api.records.ContainerUpdateType;
+import org.apache.hadoop.yarn.api.records.UpdatedContainer;
+import org.apache.hadoop.yarn.proto.YarnServiceProtos;
+
+/**
+ * Implementation of <code>UpdatedContainer</code>.
+ */
+public class UpdatedContainerPBImpl extends UpdatedContainer {
+  private YarnServiceProtos.UpdatedContainerProto proto =
+      YarnServiceProtos.UpdatedContainerProto.getDefaultInstance();
+  private YarnServiceProtos.UpdatedContainerProto.Builder builder = null;
+  private boolean viaProto = false;
+
+  private Container container = null;
+
+  public UpdatedContainerPBImpl() {
+    builder = YarnServiceProtos.UpdatedContainerProto.newBuilder();
+  }
+
+  public UpdatedContainerPBImpl(YarnServiceProtos.UpdatedContainerProto proto) {
+    this.proto = proto;
+    viaProto = true;
+  }
+
+  private void mergeLocalToBuilder() {
+    if (this.container != null) {
+      builder.setContainer(ProtoUtils.convertToProtoFormat(this.container));
+    }
+  }
+
+  private void mergeLocalToProto() {
+    if (viaProto) {
+      maybeInitBuilder();
+    }
+    mergeLocalToBuilder();
+    proto = builder.build();
+    viaProto = true;
+  }
+
+  private void maybeInitBuilder() {
+    if (viaProto || builder == null) {
+      builder = YarnServiceProtos.UpdatedContainerProto.newBuilder(proto);
+    }
+    viaProto = false;
+  }
+
+  public YarnServiceProtos.UpdatedContainerProto getProto() {
+    mergeLocalToProto();
+    proto = viaProto ? proto : builder.build();
+    viaProto = true;
+    return proto;
+  }
+
+  @Override
+  public ContainerUpdateType getUpdateType() {
+    YarnServiceProtos.UpdatedContainerProtoOrBuilder p =
+        viaProto ? proto : builder;
+    if (!p.hasUpdateType()) {
+      return null;
+    }
+    return ProtoUtils.convertFromProtoFormat(p.getUpdateType());
+  }
+
+  @Override
+  public void setUpdateType(ContainerUpdateType updateType) {
+    maybeInitBuilder();
+    if (updateType == null) {
+      builder.clearUpdateType();
+      return;
+    }
+    builder.setUpdateType(ProtoUtils.convertToProtoFormat(updateType));
+  }
+
+  @Override
+  public Container getContainer() {
+    YarnServiceProtos.UpdatedContainerProtoOrBuilder p =
+        viaProto ? proto : builder;
+    if (this.container != null) {
+      return this.container;
+    }
+    if (!p.hasContainer()) {
+      return null;
+    }
+    this.container = ProtoUtils.convertFromProtoFormat(p.getContainer());
+    return this.container;
+  }
+
+  @Override
+  public void setContainer(Container container) {
+    maybeInitBuilder();
+    if (container == null) {
+      builder.clearContainer();
+    }
+    this.container = container;
+  }
+}

http://git-wip-us.apache.org/repos/asf/hadoop/blob/d6d9cff2/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/security/ContainerTokenIdentifier.java
----------------------------------------------------------------------
diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/security/ContainerTokenIdentifier.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/security/ContainerTokenIdentifier.java
index 0b03f50..f8e9463 100644
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/security/ContainerTokenIdentifier.java
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/security/ContainerTokenIdentifier.java
@@ -87,14 +87,15 @@ public class ContainerTokenIdentifier extends TokenIdentifier {
       long rmIdentifier, Priority priority, long creationTime,
       LogAggregationContext logAggregationContext, String nodeLabelExpression,
       ContainerType containerType) {
-    this(containerID, hostName, appSubmitter, r, expiryTimeStamp, masterKeyId,
-        rmIdentifier, priority, creationTime, logAggregationContext,
-        nodeLabelExpression, containerType, ExecutionType.GUARANTEED);
+    this(containerID, 0, hostName, appSubmitter, r, expiryTimeStamp,
+        masterKeyId, rmIdentifier, priority, creationTime,
+        logAggregationContext, nodeLabelExpression, containerType,
+        ExecutionType.GUARANTEED);
   }
 
-  public ContainerTokenIdentifier(ContainerId containerID, String hostName,
-      String appSubmitter, Resource r, long expiryTimeStamp, int masterKeyId,
-      long rmIdentifier, Priority priority, long creationTime,
+  public ContainerTokenIdentifier(ContainerId containerID, int containerVersion,
+      String hostName, String appSubmitter, Resource r, long expiryTimeStamp,
+      int masterKeyId, long rmIdentifier, Priority priority, long creationTime,
       LogAggregationContext logAggregationContext, String nodeLabelExpression,
       ContainerType containerType, ExecutionType executionType) {
     ContainerTokenIdentifierProto.Builder builder =
@@ -102,6 +103,7 @@ public class ContainerTokenIdentifier extends TokenIdentifier {
     if (containerID != null) {
       builder.setContainerId(((ContainerIdPBImpl)containerID).getProto());
     }
+    builder.setVersion(containerVersion);
     builder.setNmHostAddr(hostName);
     builder.setAppSubmitter(appSubmitter);
     if (r != null) {
@@ -184,7 +186,7 @@ public class ContainerTokenIdentifier extends TokenIdentifier {
   }
 
   /**
-   * Get the ContainerType of container to allocate
+   * Get the ContainerType of container to allocate.
    * @return ContainerType
    */
   public ContainerType getContainerType(){
@@ -241,7 +243,18 @@ public class ContainerTokenIdentifier extends TokenIdentifier {
     return UserGroupInformation.createRemoteUser(
         containerId);
   }
-  
+
+  /**
+   * Get the Container version
+   * @return container version
+   */
+  public int getVersion() {
+    if (proto.hasVersion()) {
+      return proto.getVersion();
+    } else {
+      return 0;
+    }
+  }
   /**
    * Get the node-label-expression in the original ResourceRequest
    */

http://git-wip-us.apache.org/repos/asf/hadoop/blob/d6d9cff2/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/proto/yarn_security_token.proto
----------------------------------------------------------------------
diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/proto/yarn_security_token.proto b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/proto/yarn_security_token.proto
index 71434be..851920d 100644
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/proto/yarn_security_token.proto
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/proto/yarn_security_token.proto
@@ -52,6 +52,7 @@ message ContainerTokenIdentifierProto {
   optional string nodeLabelExpression = 11;
   optional ContainerTypeProto containerType = 12;
   optional ExecutionTypeProto executionType = 13 [default = GUARANTEED];
+  optional int32 version = 14 [default = 0];
 }
 
 message ClientToAMTokenIdentifierProto {

http://git-wip-us.apache.org/repos/asf/hadoop/blob/d6d9cff2/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 da52f14..11bf56b 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
@@ -121,7 +121,6 @@ import org.apache.hadoop.yarn.api.records.Container;
 import org.apache.hadoop.yarn.api.records.ContainerId;
 import org.apache.hadoop.yarn.api.records.ContainerLaunchContext;
 import org.apache.hadoop.yarn.api.records.ContainerReport;
-import org.apache.hadoop.yarn.api.records.ContainerResourceChangeRequest;
 import org.apache.hadoop.yarn.api.records.ContainerRetryContext;
 import org.apache.hadoop.yarn.api.records.ContainerStatus;
 import org.apache.hadoop.yarn.api.records.ExecutionTypeRequest;
@@ -155,6 +154,9 @@ import org.apache.hadoop.yarn.api.records.SerializedException;
 import org.apache.hadoop.yarn.api.records.StrictPreemptionContract;
 import org.apache.hadoop.yarn.api.records.Token;
 import org.apache.hadoop.yarn.api.records.URL;
+import org.apache.hadoop.yarn.api.records.UpdateContainerError;
+import org.apache.hadoop.yarn.api.records.UpdateContainerRequest;
+import org.apache.hadoop.yarn.api.records.UpdatedContainer;
 import org.apache.hadoop.yarn.api.records.YarnClusterMetrics;
 import org.apache.hadoop.yarn.api.records.impl.pb.ApplicationAttemptIdPBImpl;
 import org.apache.hadoop.yarn.api.records.impl.pb.ApplicationAttemptReportPBImpl;
@@ -166,7 +168,6 @@ import org.apache.hadoop.yarn.api.records.impl.pb.ContainerIdPBImpl;
 import org.apache.hadoop.yarn.api.records.impl.pb.ContainerLaunchContextPBImpl;
 import org.apache.hadoop.yarn.api.records.impl.pb.ContainerPBImpl;
 import org.apache.hadoop.yarn.api.records.impl.pb.ContainerReportPBImpl;
-import org.apache.hadoop.yarn.api.records.impl.pb.ContainerResourceChangeRequestPBImpl;
 import org.apache.hadoop.yarn.api.records.impl.pb.ContainerRetryContextPBImpl;
 import org.apache.hadoop.yarn.api.records.impl.pb.ContainerStatusPBImpl;
 import org.apache.hadoop.yarn.api.records.impl.pb.ExecutionTypeRequestPBImpl;
@@ -190,6 +191,7 @@ import org.apache.hadoop.yarn.api.records.impl.pb.SerializedExceptionPBImpl;
 import org.apache.hadoop.yarn.api.records.impl.pb.StrictPreemptionContractPBImpl;
 import org.apache.hadoop.yarn.api.records.impl.pb.TokenPBImpl;
 import org.apache.hadoop.yarn.api.records.impl.pb.URLPBImpl;
+import org.apache.hadoop.yarn.api.records.impl.pb.UpdateContainerRequestPBImpl;
 import org.apache.hadoop.yarn.api.records.impl.pb.YarnClusterMetricsPBImpl;
 import org.apache.hadoop.yarn.proto.YarnProtos.ApplicationAttemptIdProto;
 import org.apache.hadoop.yarn.proto.YarnProtos.ApplicationAttemptReportProto;
@@ -201,7 +203,6 @@ import org.apache.hadoop.yarn.proto.YarnProtos.ContainerIdProto;
 import org.apache.hadoop.yarn.proto.YarnProtos.ContainerLaunchContextProto;
 import org.apache.hadoop.yarn.proto.YarnProtos.ContainerProto;
 import org.apache.hadoop.yarn.proto.YarnProtos.ContainerReportProto;
-import org.apache.hadoop.yarn.proto.YarnProtos.ContainerResourceChangeRequestProto;
 import org.apache.hadoop.yarn.proto.YarnProtos.ContainerRetryContextProto;
 import org.apache.hadoop.yarn.proto.YarnProtos.ContainerStatusProto;
 import org.apache.hadoop.yarn.proto.YarnProtos.ExecutionTypeRequestProto;
@@ -489,7 +490,8 @@ public class TestPBImplRecords {
     generateByNewInstance(ContainerLaunchContext.class);
     generateByNewInstance(ApplicationSubmissionContext.class);
     generateByNewInstance(ContainerReport.class);
-    generateByNewInstance(ContainerResourceChangeRequest.class);
+    generateByNewInstance(UpdateContainerRequest.class);
+    generateByNewInstance(UpdateContainerError.class);
     generateByNewInstance(IncreaseContainersResourceRequest.class);
     generateByNewInstance(IncreaseContainersResourceResponse.class);
     generateByNewInstance(ContainerStatus.class);
@@ -501,6 +503,7 @@ public class TestPBImplRecords {
     generateByNewInstance(PreemptionMessage.class);
     generateByNewInstance(StartContainerRequest.class);
     generateByNewInstance(NodeLabel.class);
+    generateByNewInstance(UpdatedContainer.class);
     // genByNewInstance does not apply to QueueInfo, cause
     // it is recursive(has sub queues)
     typeValueCache.put(QueueInfo.class, QueueInfo.newInstance("root", 1.0f,
@@ -1010,9 +1013,9 @@ public class TestPBImplRecords {
   }
 
   @Test
-  public void testContainerResourceChangeRequestPBImpl() throws Exception {
-    validatePBImplRecord(ContainerResourceChangeRequestPBImpl.class,
-        ContainerResourceChangeRequestProto.class);
+  public void testUpdateContainerRequestPBImpl() throws Exception {
+    validatePBImplRecord(UpdateContainerRequestPBImpl.class,
+        YarnServiceProtos.UpdateContainerRequestProto.class);
   }
 
   @Test

http://git-wip-us.apache.org/repos/asf/hadoop/blob/d6d9cff2/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/test/java/org/apache/hadoop/yarn/security/TestYARNTokenIdentifier.java
----------------------------------------------------------------------
diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/test/java/org/apache/hadoop/yarn/security/TestYARNTokenIdentifier.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/test/java/org/apache/hadoop/yarn/security/TestYARNTokenIdentifier.java
index 3a5f003..130a65e 100644
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/test/java/org/apache/hadoop/yarn/security/TestYARNTokenIdentifier.java
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/test/java/org/apache/hadoop/yarn/security/TestYARNTokenIdentifier.java
@@ -153,7 +153,7 @@ public class TestYARNTokenIdentifier {
     long creationTime = 1000;
     
     ContainerTokenIdentifier token = new ContainerTokenIdentifier(
-        containerID, hostName, appSubmitter, r, expiryTimeStamp, 
+        containerID, hostName, appSubmitter, r, expiryTimeStamp,
         masterKeyId, rmIdentifier, priority, creationTime);
     
     ContainerTokenIdentifier anotherToken = new ContainerTokenIdentifier();
@@ -392,7 +392,7 @@ public class TestYARNTokenIdentifier {
         anotherToken.getExecutionType());
 
     token =
-        new ContainerTokenIdentifier(containerID, hostName, appSubmitter, r,
+        new ContainerTokenIdentifier(containerID, 0, hostName, appSubmitter, r,
             expiryTimeStamp, masterKeyId, rmIdentifier, priority, creationTime,
             null, CommonNodeLabelsManager.NO_LABEL, ContainerType.TASK,
             ExecutionType.OPPORTUNISTIC);

http://git-wip-us.apache.org/repos/asf/hadoop/blob/d6d9cff2/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-common/src/main/java/org/apache/hadoop/yarn/server/api/protocolrecords/NMContainerStatus.java
----------------------------------------------------------------------
diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-common/src/main/java/org/apache/hadoop/yarn/server/api/protocolrecords/NMContainerStatus.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-common/src/main/java/org/apache/hadoop/yarn/server/api/protocolrecords/NMContainerStatus.java
index 4067c11..ed950ce 100644
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-common/src/main/java/org/apache/hadoop/yarn/server/api/protocolrecords/NMContainerStatus.java
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-common/src/main/java/org/apache/hadoop/yarn/server/api/protocolrecords/NMContainerStatus.java
@@ -35,21 +35,22 @@ public abstract class NMContainerStatus {
   
   // Used by tests only
   public static NMContainerStatus newInstance(ContainerId containerId,
-      ContainerState containerState, Resource allocatedResource,
+      int version, ContainerState containerState, Resource allocatedResource,
       String diagnostics, int containerExitStatus, Priority priority,
       long creationTime) {
-    return newInstance(containerId, containerState, allocatedResource,
+    return newInstance(containerId, version, containerState, allocatedResource,
         diagnostics, containerExitStatus, priority, creationTime,
         CommonNodeLabelsManager.NO_LABEL);
   }
 
   public static NMContainerStatus newInstance(ContainerId containerId,
-      ContainerState containerState, Resource allocatedResource,
+      int version, ContainerState containerState, Resource allocatedResource,
       String diagnostics, int containerExitStatus, Priority priority,
       long creationTime, String nodeLabelExpression) {
     NMContainerStatus status =
         Records.newRecord(NMContainerStatus.class);
     status.setContainerId(containerId);
+    status.setVersion(version);
     status.setContainerState(containerState);
     status.setAllocatedResource(allocatedResource);
     status.setDiagnostics(diagnostics);
@@ -125,4 +126,12 @@ public abstract class NMContainerStatus {
 
   public abstract void setNodeLabelExpression(
       String nodeLabelExpression);
+
+  public int getVersion() {
+    return 0;
+  }
+
+  public void setVersion(int version) {
+
+  }
 }

http://git-wip-us.apache.org/repos/asf/hadoop/blob/d6d9cff2/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-common/src/main/java/org/apache/hadoop/yarn/server/api/protocolrecords/impl/pb/NMContainerStatusPBImpl.java
----------------------------------------------------------------------
diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-common/src/main/java/org/apache/hadoop/yarn/server/api/protocolrecords/impl/pb/NMContainerStatusPBImpl.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-common/src/main/java/org/apache/hadoop/yarn/server/api/protocolrecords/impl/pb/NMContainerStatusPBImpl.java
index 921c9d9..2d1046f 100644
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-common/src/main/java/org/apache/hadoop/yarn/server/api/protocolrecords/impl/pb/NMContainerStatusPBImpl.java
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-common/src/main/java/org/apache/hadoop/yarn/server/api/protocolrecords/impl/pb/NMContainerStatusPBImpl.java
@@ -83,6 +83,7 @@ public class NMContainerStatusPBImpl extends NMContainerStatus {
     StringBuilder sb = new StringBuilder();
     sb.append("[").append(getContainerId()).append(", ")
         .append("CreateTime: ").append(getCreationTime()).append(", ")
+        .append("Version: ").append(getVersion()).append(", ")
         .append("State: ").append(getContainerState()).append(", ")
         .append("Capability: ").append(getAllocatedResource()).append(", ")
         .append("Diagnostics: ").append(getDiagnostics()).append(", ")
@@ -185,6 +186,18 @@ public class NMContainerStatusPBImpl extends NMContainerStatus {
   }
 
   @Override
+  public int getVersion() {
+    NMContainerStatusProtoOrBuilder p = viaProto ? proto : builder;
+    return p.getVersion();
+  }
+
+  @Override
+  public void setVersion(int version) {
+    maybeInitBuilder();
+    builder.setVersion(version);
+  }
+
+  @Override
   public Priority getPriority() {
     NMContainerStatusProtoOrBuilder p = viaProto ? proto : builder;
     if (this.priority != null) {

http://git-wip-us.apache.org/repos/asf/hadoop/blob/d6d9cff2/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-common/src/main/java/org/apache/hadoop/yarn/server/scheduler/OpportunisticContainerAllocator.java
----------------------------------------------------------------------
diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-common/src/main/java/org/apache/hadoop/yarn/server/scheduler/OpportunisticContainerAllocator.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-common/src/main/java/org/apache/hadoop/yarn/server/scheduler/OpportunisticContainerAllocator.java
index 41b5d56..9b2fd38 100644
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-common/src/main/java/org/apache/hadoop/yarn/server/scheduler/OpportunisticContainerAllocator.java
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-common/src/main/java/org/apache/hadoop/yarn/server/scheduler/OpportunisticContainerAllocator.java
@@ -324,7 +324,7 @@ public class OpportunisticContainerAllocator {
     long currTime = System.currentTimeMillis();
     ContainerTokenIdentifier containerTokenIdentifier =
         new ContainerTokenIdentifier(
-            cId, nodeId.getHost() + ":" + nodeId.getPort(), userName,
+            cId, 0, nodeId.getHost() + ":" + nodeId.getPort(), userName,
             capability, currTime + appParams.containerTokenExpiryInterval,
             tokenSecretManager.getCurrentKey().getKeyId(), rmIdentifier,
             rr.getPriority(), currTime,

http://git-wip-us.apache.org/repos/asf/hadoop/blob/d6d9cff2/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-common/src/main/java/org/apache/hadoop/yarn/server/utils/BuilderUtils.java
----------------------------------------------------------------------
diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-common/src/main/java/org/apache/hadoop/yarn/server/utils/BuilderUtils.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-common/src/main/java/org/apache/hadoop/yarn/server/utils/BuilderUtils.java
index 8ecbea7..50df12e 100644
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-common/src/main/java/org/apache/hadoop/yarn/server/utils/BuilderUtils.java
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-common/src/main/java/org/apache/hadoop/yarn/server/utils/BuilderUtils.java
@@ -64,9 +64,11 @@ import org.apache.hadoop.yarn.api.records.URL;
 import org.apache.hadoop.yarn.api.records.YarnApplicationState;
 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.security.ContainerTokenIdentifier;
 
 import com.google.common.annotations.VisibleForTesting;
+import org.apache.hadoop.yarn.server.api.ContainerType;
 
 /**
  * Builder utilities to construct various objects.
@@ -156,12 +158,14 @@ public class BuilderUtils {
     return cId;
   }
 
-  public static Token newContainerToken(ContainerId cId, String host,
-      int port, String user, Resource r, long expiryTime, int masterKeyId,
-      byte[] password, long rmIdentifier) throws IOException {
+  public static Token newContainerToken(ContainerId cId, int containerVersion,
+      String host, int port, String user, Resource r, long expiryTime,
+      int masterKeyId, byte[] password, long rmIdentifier) throws IOException {
     ContainerTokenIdentifier identifier =
-        new ContainerTokenIdentifier(cId, host + ":" + port, user, r,
-          expiryTime, masterKeyId, rmIdentifier, Priority.newInstance(0), 0);
+        new ContainerTokenIdentifier(cId, containerVersion, host + ":" + port,
+            user, r, expiryTime, masterKeyId, rmIdentifier,
+            Priority.newInstance(0), 0, null, CommonNodeLabelsManager.NO_LABEL,
+            ContainerType.TASK, ExecutionType.GUARANTEED);
     return newContainerToken(BuilderUtils.newNodeId(host, port), password,
         identifier);
   }

http://git-wip-us.apache.org/repos/asf/hadoop/blob/d6d9cff2/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-common/src/main/proto/yarn_server_common_service_protos.proto
----------------------------------------------------------------------
diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-common/src/main/proto/yarn_server_common_service_protos.proto b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-common/src/main/proto/yarn_server_common_service_protos.proto
index 55ac875..d485e6b 100644
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-common/src/main/proto/yarn_server_common_service_protos.proto
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-common/src/main/proto/yarn_server_common_service_protos.proto
@@ -160,6 +160,7 @@ message NMContainerStatusProto {
   optional int32 container_exit_status = 6;
   optional int64 creation_time = 7;
   optional string nodeLabelExpression = 8;
+  optional int32 version = 9;
 }
 
 message SCMUploaderNotifyRequestProto {

http://git-wip-us.apache.org/repos/asf/hadoop/blob/d6d9cff2/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-common/src/test/java/org/apache/hadoop/yarn/server/api/protocolrecords/TestProtocolRecords.java
----------------------------------------------------------------------
diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-common/src/test/java/org/apache/hadoop/yarn/server/api/protocolrecords/TestProtocolRecords.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-common/src/test/java/org/apache/hadoop/yarn/server/api/protocolrecords/TestProtocolRecords.java
index 35aa25e..9f4b436 100644
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-common/src/test/java/org/apache/hadoop/yarn/server/api/protocolrecords/TestProtocolRecords.java
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-common/src/test/java/org/apache/hadoop/yarn/server/api/protocolrecords/TestProtocolRecords.java
@@ -63,7 +63,7 @@ public class TestProtocolRecords {
     Resource resource = Resource.newInstance(1000, 200);
 
     NMContainerStatus report =
-        NMContainerStatus.newInstance(containerId,
+        NMContainerStatus.newInstance(containerId, 0,
           ContainerState.COMPLETE, resource, "diagnostics",
           ContainerExitStatus.ABORTED, Priority.newInstance(10), 1234);
     NMContainerStatus reportProto =
@@ -87,7 +87,7 @@ public class TestProtocolRecords {
     ContainerId containerId = ContainerId.newContainerId(attemptId, 1);
 
     NMContainerStatus containerReport =
-        NMContainerStatus.newInstance(containerId,
+        NMContainerStatus.newInstance(containerId, 0,
           ContainerState.RUNNING, Resource.newInstance(1024, 1), "diagnostics",
           0, Priority.newInstance(10), 1234);
     List<NMContainerStatus> reports = Arrays.asList(containerReport);

http://git-wip-us.apache.org/repos/asf/hadoop/blob/d6d9cff2/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-common/src/test/java/org/apache/hadoop/yarn/server/api/protocolrecords/TestRegisterNodeManagerRequest.java
----------------------------------------------------------------------
diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-common/src/test/java/org/apache/hadoop/yarn/server/api/protocolrecords/TestRegisterNodeManagerRequest.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-common/src/test/java/org/apache/hadoop/yarn/server/api/protocolrecords/TestRegisterNodeManagerRequest.java
index 947dec1..9f91b87 100644
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-common/src/test/java/org/apache/hadoop/yarn/server/api/protocolrecords/TestRegisterNodeManagerRequest.java
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-common/src/test/java/org/apache/hadoop/yarn/server/api/protocolrecords/TestRegisterNodeManagerRequest.java
@@ -40,7 +40,7 @@ public class TestRegisterNodeManagerRequest {
           "version", Arrays.asList(NMContainerStatus.newInstance(
             ContainerId.newContainerId(
               ApplicationAttemptId.newInstance(
-                ApplicationId.newInstance(1234L, 1), 1), 1),
+                ApplicationId.newInstance(1234L, 1), 1), 1), 0,
             ContainerState.RUNNING, Resource.newInstance(1024, 1), "good", -1,
             Priority.newInstance(0), 1234)), Arrays.asList(
             ApplicationId.newInstance(1234L, 1),

http://git-wip-us.apache.org/repos/asf/hadoop/blob/d6d9cff2/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/java/org/apache/hadoop/yarn/server/nodemanager/containermanager/ContainerManagerImpl.java
----------------------------------------------------------------------
diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/java/org/apache/hadoop/yarn/server/nodemanager/containermanager/ContainerManagerImpl.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/java/org/apache/hadoop/yarn/server/nodemanager/containermanager/ContainerManagerImpl.java
index de79e89..8c060bc 100644
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/java/org/apache/hadoop/yarn/server/nodemanager/containermanager/ContainerManagerImpl.java
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/java/org/apache/hadoop/yarn/server/nodemanager/containermanager/ContainerManagerImpl.java
@@ -1016,9 +1016,12 @@ public class ContainerManagerImpl extends CompositeService implements
           }
         }
 
+        this.context.getNMStateStore().storeContainer(containerId,
+            containerTokenIdentifier.getVersion(), request);
         dispatcher.getEventHandler().handle(
           new ApplicationContainerInitEvent(container));
-        this.context.getNMStateStore().storeContainer(containerId, request);
+        this.context.getNMStateStore().storeContainer(containerId,
+            containerTokenIdentifier.getVersion(), request);
 
         this.context.getContainerTokenSecretManager().startContainerSuccessful(
           containerTokenIdentifier);
@@ -1100,7 +1103,8 @@ public class ContainerManagerImpl extends CompositeService implements
           // an updated NMToken.
           updateNMTokenIdentifier(nmTokenIdentifier);
           Resource resource = containerTokenIdentifier.getResource();
-          changeContainerResourceInternal(containerId, resource, true);
+          changeContainerResourceInternal(containerId,
+              containerTokenIdentifier.getVersion(), resource, true);
           successfullyIncreasedContainers.add(containerId);
         } catch (YarnException | InvalidToken e) {
           failedContainers.put(containerId, SerializedException.newInstance(e));
@@ -1114,8 +1118,8 @@ public class ContainerManagerImpl extends CompositeService implements
   }
 
   @SuppressWarnings("unchecked")
-  private void changeContainerResourceInternal(
-      ContainerId containerId, Resource targetResource, boolean increase)
+  private void changeContainerResourceInternal(ContainerId containerId,
+      int containerVersion, Resource targetResource, boolean increase)
           throws YarnException, IOException {
     Container container = context.getContainers().get(containerId);
     // Check container existence
@@ -1182,7 +1186,7 @@ public class ContainerManagerImpl extends CompositeService implements
       if (!serviceStopped) {
         // Persist container resource change for recovery
         this.context.getNMStateStore().storeContainerResourceChanged(
-            containerId, targetResource);
+            containerId, containerVersion, targetResource);
         getContainersMonitor().handle(
             new ChangeMonitoringContainerResourceEvent(
                 containerId, targetResource));
@@ -1443,7 +1447,7 @@ public class ContainerManagerImpl extends CompositeService implements
           : containersDecreasedEvent.getContainersToDecrease()) {
         try {
           changeContainerResourceInternal(container.getId(),
-              container.getResource(), false);
+              container.getVersion(), container.getResource(), false);
         } catch (YarnException e) {
           LOG.error("Unable to decrease container resource", e);
         } catch (IOException e) {

http://git-wip-us.apache.org/repos/asf/hadoop/blob/d6d9cff2/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/java/org/apache/hadoop/yarn/server/nodemanager/containermanager/container/ContainerImpl.java
----------------------------------------------------------------------
diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/java/org/apache/hadoop/yarn/server/nodemanager/containermanager/container/ContainerImpl.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/java/org/apache/hadoop/yarn/server/nodemanager/containermanager/container/ContainerImpl.java
index 3908971..0244d90 100644
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/java/org/apache/hadoop/yarn/server/nodemanager/containermanager/container/ContainerImpl.java
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/java/org/apache/hadoop/yarn/server/nodemanager/containermanager/container/ContainerImpl.java
@@ -103,6 +103,7 @@ public class ContainerImpl implements Container {
   private final ContainerId containerId;
   private volatile Resource resource;
   private final String user;
+  private int version;
   private int exitCode = ContainerExitStatus.INVALID;
   private final StringBuilder diagnostics;
   private final int diagnosticsMaxSize;
@@ -152,6 +153,7 @@ public class ContainerImpl implements Container {
     this.daemonConf = conf;
     this.dispatcher = dispatcher;
     this.stateStore = context.getNMStateStore();
+    this.version = containerTokenIdentifier.getVersion();
     this.launchContext = launchContext;
     if (launchContext != null
         && launchContext.getContainerRetryContext() != null) {
@@ -223,6 +225,7 @@ public class ContainerImpl implements Container {
       this.resource = Resource.newInstance(recoveredCapability.getMemorySize(),
           recoveredCapability.getVirtualCores());
     }
+    this.version = rcs.getVersion();
     this.remainingRetryAttempts = rcs.getRemainingRetryAttempts();
     this.workDir = rcs.getWorkDir();
     this.logDir = rcs.getLogDir();
@@ -525,8 +528,8 @@ public class ContainerImpl implements Container {
   public NMContainerStatus getNMContainerStatus() {
     this.readLock.lock();
     try {
-      return NMContainerStatus.newInstance(this.containerId, getCurrentState(),
-          getResource(), diagnostics.toString(), exitCode,
+      return NMContainerStatus.newInstance(this.containerId, this.version,
+          getCurrentState(), getResource(), diagnostics.toString(), exitCode,
           containerTokenIdentifier.getPriority(),
           containerTokenIdentifier.getCreationTime(),
           containerTokenIdentifier.getNodeLabelExpression());

http://git-wip-us.apache.org/repos/asf/hadoop/blob/d6d9cff2/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
----------------------------------------------------------------------
diff --git a/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 b/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
index 38b1b07..5d2f4d4 100644
--- a/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
+++ b/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
@@ -128,7 +128,8 @@ public class QueuingContainerManagerImpl extends ContainerManagerImpl {
       startAllocatedContainer(allocatedContInfo);
     } else {
       ContainerId cIdToStart = containerTokenIdentifier.getContainerID();
-      this.context.getNMStateStore().storeContainer(cIdToStart, request);
+      this.context.getNMStateStore().storeContainer(cIdToStart,
+          containerTokenIdentifier.getVersion(), request);
       this.context.getNMStateStore().storeContainerQueued(cIdToStart);
       LOG.info("No available resources for container {} to start its execution "
           + "immediately.", cIdToStart);

http://git-wip-us.apache.org/repos/asf/hadoop/blob/d6d9cff2/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/java/org/apache/hadoop/yarn/server/nodemanager/recovery/NMLeveldbStateStoreService.java
----------------------------------------------------------------------
diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/java/org/apache/hadoop/yarn/server/nodemanager/recovery/NMLeveldbStateStoreService.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/java/org/apache/hadoop/yarn/server/nodemanager/recovery/NMLeveldbStateStoreService.java
index 5fe2713..a30024a 100644
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/java/org/apache/hadoop/yarn/server/nodemanager/recovery/NMLeveldbStateStoreService.java
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/java/org/apache/hadoop/yarn/server/nodemanager/recovery/NMLeveldbStateStoreService.java
@@ -104,6 +104,7 @@ public class NMLeveldbStateStoreService extends NMStateStoreService {
   private static final String CONTAINERS_KEY_PREFIX =
       "ContainerManager/containers/";
   private static final String CONTAINER_REQUEST_KEY_SUFFIX = "/request";
+  private static final String CONTAINER_VERSION_KEY_SUFFIX = "/version";
   private static final String CONTAINER_DIAGS_KEY_SUFFIX = "/diagnostics";
   private static final String CONTAINER_LAUNCHED_KEY_SUFFIX = "/launched";
   private static final String CONTAINER_QUEUED_KEY_SUFFIX = "/queued";
@@ -238,6 +239,8 @@ public class NMLeveldbStateStoreService extends NMStateStoreService {
       if (suffix.equals(CONTAINER_REQUEST_KEY_SUFFIX)) {
         rcs.startRequest = new StartContainerRequestPBImpl(
             StartContainerRequestProto.parseFrom(entry.getValue()));
+      } else if (suffix.equals(CONTAINER_VERSION_KEY_SUFFIX)) {
+        rcs.version = Integer.parseInt(asString(entry.getValue()));
       } else if (suffix.equals(CONTAINER_DIAGS_KEY_SUFFIX)) {
         rcs.diagnostics = asString(entry.getValue());
       } else if (suffix.equals(CONTAINER_QUEUED_KEY_SUFFIX)) {
@@ -272,18 +275,27 @@ public class NMLeveldbStateStoreService extends NMStateStoreService {
   }
 
   @Override
-  public void storeContainer(ContainerId containerId,
+  public void storeContainer(ContainerId containerId, int containerVersion,
       StartContainerRequest startRequest) throws IOException {
     if (LOG.isDebugEnabled()) {
       LOG.debug("storeContainer: containerId= " + containerId
           + ", startRequest= " + startRequest);
     }
-
-    String key = CONTAINERS_KEY_PREFIX + containerId.toString()
+    String keyRequest = CONTAINERS_KEY_PREFIX + containerId.toString()
         + CONTAINER_REQUEST_KEY_SUFFIX;
+    String keyVersion = CONTAINERS_KEY_PREFIX + containerId.toString()
+        + CONTAINER_VERSION_KEY_SUFFIX;
     try {
-      db.put(bytes(key),
-        ((StartContainerRequestPBImpl) startRequest).getProto().toByteArray());
+      WriteBatch batch = db.createWriteBatch();
+      try {
+        batch.put(bytes(keyRequest),
+            ((StartContainerRequestPBImpl) startRequest)
+                .getProto().toByteArray());
+        batch.put(bytes(keyVersion), bytes(Integer.toString(containerVersion)));
+        db.write(batch);
+      } finally {
+        batch.close();
+      }
     } catch (DBException e) {
       throw new IOException(e);
     }
@@ -339,18 +351,27 @@ public class NMLeveldbStateStoreService extends NMStateStoreService {
 
   @Override
   public void storeContainerResourceChanged(ContainerId containerId,
-      Resource capability) throws IOException {
+      int containerVersion, Resource capability) throws IOException {
     if (LOG.isDebugEnabled()) {
       LOG.debug("storeContainerResourceChanged: containerId=" + containerId
           + ", capability=" + capability);
     }
 
-    String key = CONTAINERS_KEY_PREFIX + containerId.toString()
+    String keyResChng = CONTAINERS_KEY_PREFIX + containerId.toString()
         + CONTAINER_RESOURCE_CHANGED_KEY_SUFFIX;
+    String keyVersion = CONTAINERS_KEY_PREFIX + containerId.toString()
+        + CONTAINER_VERSION_KEY_SUFFIX;
     try {
-      // New value will overwrite old values for the same key
-      db.put(bytes(key),
-          ((ResourcePBImpl) capability).getProto().toByteArray());
+      WriteBatch batch = db.createWriteBatch();
+      try {
+        // New value will overwrite old values for the same key
+        batch.put(bytes(keyResChng),
+            ((ResourcePBImpl) capability).getProto().toByteArray());
+        batch.put(bytes(keyVersion), bytes(Integer.toString(containerVersion)));
+        db.write(batch);
+      } finally {
+        batch.close();
+      }
     } catch (DBException e) {
       throw new IOException(e);
     }


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