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From asur...@apache.org
Subject [2/2] hadoop git commit: YARN-5978. ContainerScheduler and ContainerManager changes to support ExecType update. (Kartheek Muthyala via asuresh)
Date Tue, 15 Aug 2017 02:46:40 GMT
YARN-5978. ContainerScheduler and ContainerManager changes to support ExecType update. (Kartheek Muthyala via asuresh)


Project: http://git-wip-us.apache.org/repos/asf/hadoop/repo
Commit: http://git-wip-us.apache.org/repos/asf/hadoop/commit/4d7be1d8
Tree: http://git-wip-us.apache.org/repos/asf/hadoop/tree/4d7be1d8
Diff: http://git-wip-us.apache.org/repos/asf/hadoop/diff/4d7be1d8

Branch: refs/heads/trunk
Commit: 4d7be1d8575e9254c59d41460960708e3718503a
Parents: 0446511
Author: Arun Suresh <asuresh@apache.org>
Authored: Mon Aug 14 19:46:17 2017 -0700
Committer: Arun Suresh <asuresh@apache.org>
Committed: Mon Aug 14 19:46:17 2017 -0700

----------------------------------------------------------------------
 .../yarn/client/api/impl/TestAMRMClient.java    | 395 +++++++++++++++++--
 .../yarn/client/api/impl/TestNMClient.java      |   7 +-
 .../containermanager/ContainerManagerImpl.java  | 132 ++++---
 .../containermanager/container/Container.java   |   4 +-
 .../container/ContainerImpl.java                |  37 +-
 .../monitor/ContainersMonitorImpl.java          |  15 -
 .../scheduler/ContainerScheduler.java           |  73 ++++
 .../scheduler/ContainerSchedulerEventType.java  |   1 +
 .../UpdateContainerSchedulerEvent.java          |  85 ++++
 .../nodemanager/TestNodeManagerResync.java      |  11 +-
 .../BaseContainerManagerTest.java               |  33 +-
 .../containermanager/TestContainerManager.java  | 267 ++++++++-----
 .../TestContainerManagerRecovery.java           |   2 +-
 .../TestContainerSchedulerQueuing.java          |  96 +++++
 .../nodemanager/webapp/MockContainer.java       |   2 +-
 .../scheduler/SchedulerApplicationAttempt.java  |   2 +-
 .../security/RMContainerTokenSecretManager.java |  30 +-
 17 files changed, 964 insertions(+), 228 deletions(-)
----------------------------------------------------------------------


http://git-wip-us.apache.org/repos/asf/hadoop/blob/4d7be1d8/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-client/src/test/java/org/apache/hadoop/yarn/client/api/impl/TestAMRMClient.java
----------------------------------------------------------------------
diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-client/src/test/java/org/apache/hadoop/yarn/client/api/impl/TestAMRMClient.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-client/src/test/java/org/apache/hadoop/yarn/client/api/impl/TestAMRMClient.java
index 1b2bca3..09b12f2 100644
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-client/src/test/java/org/apache/hadoop/yarn/client/api/impl/TestAMRMClient.java
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-client/src/test/java/org/apache/hadoop/yarn/client/api/impl/TestAMRMClient.java
@@ -19,6 +19,7 @@
 package org.apache.hadoop.yarn.client.api.impl;
 
 import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertNotNull;
 import static org.junit.Assert.assertTrue;
 import static org.junit.Assert.fail;
 import static org.mockito.Matchers.any;
@@ -36,6 +37,7 @@ import java.util.HashMap;
 import java.util.HashSet;
 import java.util.Iterator;
 import java.util.List;
+import java.util.Map;
 import java.util.Set;
 import java.util.TreeSet;
 
@@ -142,6 +144,10 @@ public class TestAMRMClient {
     // set the minimum allocation so that resource decrease can go under 1024
     conf.setInt(YarnConfiguration.RM_SCHEDULER_MINIMUM_ALLOCATION_MB, 512);
     conf.setLong(YarnConfiguration.NM_LOG_RETAIN_SECONDS, 1);
+    conf.setBoolean(
+        YarnConfiguration.OPPORTUNISTIC_CONTAINER_ALLOCATION_ENABLED, true);
+    conf.setInt(
+        YarnConfiguration.NM_OPPORTUNISTIC_CONTAINERS_MAX_QUEUE_LENGTH, 10);
     yarnCluster = new MiniYARNCluster(TestAMRMClient.class.getName(), nodeCount, 1, 1);
     yarnCluster.init(conf);
     yarnCluster.start();
@@ -924,8 +930,8 @@ public class TestAMRMClient {
     // add exp=x to ANY
     client.addContainerRequest(new ContainerRequest(Resource.newInstance(1024,
         1), null, null, Priority.UNDEFINED, true, "x"));
-    Assert.assertEquals(1, client.ask.size());
-    Assert.assertEquals("x", client.ask.iterator().next()
+    assertEquals(1, client.ask.size());
+    assertEquals("x", client.ask.iterator().next()
         .getNodeLabelExpression());
 
     // add exp=x then add exp=a to ANY in same priority, only exp=a should kept
@@ -933,8 +939,8 @@ public class TestAMRMClient {
         1), null, null, Priority.UNDEFINED, true, "x"));
     client.addContainerRequest(new ContainerRequest(Resource.newInstance(1024,
         1), null, null, Priority.UNDEFINED, true, "a"));
-    Assert.assertEquals(1, client.ask.size());
-    Assert.assertEquals("a", client.ask.iterator().next()
+    assertEquals(1, client.ask.size());
+    assertEquals("a", client.ask.iterator().next()
         .getNodeLabelExpression());
     
     // add exp=x to ANY, rack and node, only resource request has ANY resource
@@ -943,10 +949,10 @@ public class TestAMRMClient {
     client.addContainerRequest(new ContainerRequest(Resource.newInstance(1024,
         1), null, null, Priority.UNDEFINED, true,
         "y"));
-    Assert.assertEquals(1, client.ask.size());
+    assertEquals(1, client.ask.size());
     for (ResourceRequest req : client.ask) {
       if (ResourceRequest.ANY.equals(req.getResourceName())) {
-        Assert.assertEquals("y", req.getNodeLabelExpression());
+        assertEquals("y", req.getNodeLabelExpression());
       } else {
         Assert.assertNull(req.getNodeLabelExpression());
       }
@@ -957,7 +963,7 @@ public class TestAMRMClient {
         new String[] { "node1", "node2" }, Priority.UNDEFINED, true, "y"));
     for (ResourceRequest req : client.ask) {
       if (ResourceRequest.ANY.equals(req.getResourceName())) {
-        Assert.assertEquals("y", req.getNodeLabelExpression());
+        assertEquals("y", req.getNodeLabelExpression());
       } else {
         Assert.assertNull(req.getNodeLabelExpression());
       }
@@ -971,7 +977,7 @@ public class TestAMRMClient {
     } catch (InvalidContainerRequestException e) {
       return;
     }
-    Assert.fail();
+    fail();
   }
   
   @Test(timeout=30000)
@@ -1042,7 +1048,8 @@ public class TestAMRMClient {
     // get allocations
     AllocateResponse allocResponse = amClient.allocate(0.1f);
     List<Container> containers = allocResponse.getAllocatedContainers();
-    Assert.assertEquals(num, containers.size());
+    assertEquals(num, containers.size());
+
     // build container launch context
     Credentials ts = new Credentials();
     DataOutputBuffer dob = new DataOutputBuffer();
@@ -1083,14 +1090,14 @@ public class TestAMRMClient {
   private void doContainerResourceChange(
       final AMRMClient<ContainerRequest> amClient, List<Container> containers)
       throws YarnException, IOException {
-    Assert.assertEquals(3, containers.size());
+    assertEquals(3, containers.size());
     // remember the container IDs
     Container container1 = containers.get(0);
     Container container2 = containers.get(1);
     Container container3 = containers.get(2);
     AMRMClientImpl<ContainerRequest> amClientImpl =
         (AMRMClientImpl<ContainerRequest>) amClient;
-    Assert.assertEquals(0, amClientImpl.change.size());
+    assertEquals(0, amClientImpl.change.size());
     // verify newer request overwrites older request for the container1
     amClientImpl.requestContainerUpdate(container1,
         UpdateContainerRequest.newInstance(container1.getVersion(),
@@ -1100,21 +1107,21 @@ public class TestAMRMClient {
         UpdateContainerRequest.newInstance(container1.getVersion(),
             container1.getId(), ContainerUpdateType.INCREASE_RESOURCE,
             Resource.newInstance(4096, 1), null));
-    Assert.assertEquals(Resource.newInstance(4096, 1),
+    assertEquals(Resource.newInstance(4096, 1),
         amClientImpl.change.get(container1.getId()).getValue().getCapability());
     // verify new decrease request cancels old increase request for container1
     amClientImpl.requestContainerUpdate(container1,
         UpdateContainerRequest.newInstance(container1.getVersion(),
             container1.getId(), ContainerUpdateType.DECREASE_RESOURCE,
             Resource.newInstance(512, 1), null));
-    Assert.assertEquals(Resource.newInstance(512, 1),
+    assertEquals(Resource.newInstance(512, 1),
         amClientImpl.change.get(container1.getId()).getValue().getCapability());
     // request resource increase for container2
     amClientImpl.requestContainerUpdate(container2,
         UpdateContainerRequest.newInstance(container2.getVersion(),
             container2.getId(), ContainerUpdateType.INCREASE_RESOURCE,
             Resource.newInstance(2048, 1), null));
-    Assert.assertEquals(Resource.newInstance(2048, 1),
+    assertEquals(Resource.newInstance(2048, 1),
         amClientImpl.change.get(container2.getId()).getValue().getCapability());
     // verify release request will cancel pending change requests for the same
     // container
@@ -1122,27 +1129,357 @@ public class TestAMRMClient {
         UpdateContainerRequest.newInstance(container3.getVersion(),
             container3.getId(), ContainerUpdateType.INCREASE_RESOURCE,
             Resource.newInstance(2048, 1), null));
-    Assert.assertEquals(3, amClientImpl.pendingChange.size());
+    assertEquals(3, amClientImpl.pendingChange.size());
     amClientImpl.releaseAssignedContainer(container3.getId());
-    Assert.assertEquals(2, amClientImpl.pendingChange.size());
+    assertEquals(2, amClientImpl.pendingChange.size());
     // as of now: container1 asks to decrease to (512, 1)
     //            container2 asks to increase to (2048, 1)
     // send allocation requests
     AllocateResponse allocResponse = amClient.allocate(0.1f);
-    Assert.assertEquals(0, amClientImpl.change.size());
+    assertEquals(0, amClientImpl.change.size());
     // we should get decrease confirmation right away
     List<UpdatedContainer> updatedContainers =
         allocResponse.getUpdatedContainers();
-    Assert.assertEquals(1, updatedContainers.size());
+    assertEquals(1, updatedContainers.size());
     // we should get increase allocation after the next NM's heartbeat to RM
     triggerSchedulingWithNMHeartBeat();
     // get allocations
     allocResponse = amClient.allocate(0.1f);
     updatedContainers =
         allocResponse.getUpdatedContainers();
-    Assert.assertEquals(1, updatedContainers.size());
+    assertEquals(1, updatedContainers.size());
+  }
+
+  @Test(timeout=60000)
+  public void testAMRMClientWithContainerPromotion()
+      throws YarnException, IOException {
+    AMRMClientImpl<AMRMClient.ContainerRequest> amClient =
+        (AMRMClientImpl<AMRMClient.ContainerRequest>) AMRMClient
+            .createAMRMClient();
+    //asserting we are not using the singleton instance cache
+    Assert.assertSame(NMTokenCache.getSingleton(),
+        amClient.getNMTokenCache());
+    amClient.init(conf);
+    amClient.start();
+
+    // start am nm client
+    NMClientImpl nmClient = (NMClientImpl) NMClient.createNMClient();
+    Assert.assertNotNull(nmClient);
+    // asserting we are using the singleton instance cache
+    Assert.assertSame(
+        NMTokenCache.getSingleton(), nmClient.getNMTokenCache());
+    nmClient.init(conf);
+    nmClient.start();
+    assertEquals(STATE.STARTED, nmClient.getServiceState());
+
+    amClient.registerApplicationMaster("Host", 10000, "");
+    // setup container request
+    assertEquals(0, amClient.ask.size());
+    assertEquals(0, amClient.release.size());
+
+    // START OPPORTUNISTIC Container, Send allocation request to RM
+    amClient.addContainerRequest(
+        new AMRMClient.ContainerRequest(capability, null, null, priority2, 0,
+            true, null, ExecutionTypeRequest
+            .newInstance(ExecutionType.OPPORTUNISTIC, true)));
+
+    int oppContainersRequestedAny =
+        amClient.getTable(0).get(priority2, ResourceRequest.ANY,
+            ExecutionType.OPPORTUNISTIC, capability).remoteRequest
+            .getNumContainers();
+
+    assertEquals(1, oppContainersRequestedAny);
+    assertEquals(1, amClient.ask.size());
+    assertEquals(0, amClient.release.size());
+
+    // RM should allocate container within 2 calls to allocate()
+    int allocatedContainerCount = 0;
+    Map<ContainerId, Container> allocatedOpportContainers = new HashMap<>();
+    int iterationsLeft = 50;
+
+    amClient.getNMTokenCache().clearCache();
+    assertEquals(0,
+        amClient.getNMTokenCache().numberOfTokensInCache());
+
+    AllocateResponse allocResponse = null;
+    while (allocatedContainerCount < oppContainersRequestedAny
+        && iterationsLeft-- > 0) {
+      allocResponse = amClient.allocate(0.1f);
+      // let NM heartbeat to RM and trigger allocations
+      //triggerSchedulingWithNMHeartBeat();
+      assertEquals(0, amClient.ask.size());
+      assertEquals(0, amClient.release.size());
+
+      allocatedContainerCount +=
+          allocResponse.getAllocatedContainers().size();
+      for (Container container : allocResponse.getAllocatedContainers()) {
+        if (container.getExecutionType() == ExecutionType.OPPORTUNISTIC) {
+          allocatedOpportContainers.put(container.getId(), container);
+        }
+      }
+      if (allocatedContainerCount < oppContainersRequestedAny) {
+        // sleep to let NM's heartbeat to RM and trigger allocations
+        sleep(100);
+      }
+    }
+
+    assertEquals(oppContainersRequestedAny, allocatedContainerCount);
+    assertEquals(oppContainersRequestedAny, allocatedOpportContainers.size());
+
+    startContainer(allocResponse, nmClient);
+
+    // SEND PROMOTION REQUEST TO RM
+    try {
+      Container c = allocatedOpportContainers.values().iterator().next();
+      amClient.requestContainerUpdate(
+          c, UpdateContainerRequest.newInstance(c.getVersion(),
+              c.getId(), ContainerUpdateType.PROMOTE_EXECUTION_TYPE,
+              null, ExecutionType.OPPORTUNISTIC));
+      fail("Should throw Exception..");
+    } catch (IllegalArgumentException e) {
+      System.out.println("## " + e.getMessage());
+      assertTrue(e.getMessage().contains(
+          "target should be GUARANTEED and original should be OPPORTUNISTIC"));
+    }
+
+    Container c = allocatedOpportContainers.values().iterator().next();
+    amClient.requestContainerUpdate(
+        c, UpdateContainerRequest.newInstance(c.getVersion(),
+            c.getId(), ContainerUpdateType.PROMOTE_EXECUTION_TYPE,
+            null, ExecutionType.GUARANTEED));
+    iterationsLeft = 120;
+    Map<ContainerId, UpdatedContainer> updatedContainers = new HashMap<>();
+    // do a few iterations to ensure RM is not going to send new containers
+    while (iterationsLeft-- > 0 && updatedContainers.isEmpty()) {
+      // inform RM of rejection
+      allocResponse = amClient.allocate(0.1f);
+      // RM did not send new containers because AM does not need any
+      if (allocResponse.getUpdatedContainers() != null) {
+        for (UpdatedContainer updatedContainer : allocResponse
+            .getUpdatedContainers()) {
+          System.out.println("Got update..");
+          updatedContainers.put(updatedContainer.getContainer().getId(),
+              updatedContainer);
+        }
+      }
+      if (iterationsLeft > 0) {
+        // sleep to make sure NM's heartbeat
+        sleep(100);
+      }
+    }
+    assertEquals(1, updatedContainers.size());
+
+    for (ContainerId cId : allocatedOpportContainers.keySet()) {
+      Container orig = allocatedOpportContainers.get(cId);
+      UpdatedContainer updatedContainer = updatedContainers.get(cId);
+      assertNotNull(updatedContainer);
+      assertEquals(ExecutionType.GUARANTEED,
+          updatedContainer.getContainer().getExecutionType());
+      assertEquals(orig.getResource(),
+          updatedContainer.getContainer().getResource());
+      assertEquals(orig.getNodeId(),
+          updatedContainer.getContainer().getNodeId());
+      assertEquals(orig.getVersion() + 1,
+          updatedContainer.getContainer().getVersion());
+    }
+    assertEquals(0, amClient.ask.size());
+    assertEquals(0, amClient.release.size());
+
+    // SEND UPDATE EXECTYPE UPDATE TO NM
+    updateContainerExecType(allocResponse, ExecutionType.GUARANTEED, nmClient);
+
+    amClient.ask.clear();
+  }
+
+  @Test(timeout=60000)
+  public void testAMRMClientWithContainerDemotion()
+      throws YarnException, IOException {
+    AMRMClientImpl<AMRMClient.ContainerRequest> amClient =
+        (AMRMClientImpl<AMRMClient.ContainerRequest>) AMRMClient
+            .createAMRMClient();
+    //asserting we are not using the singleton instance cache
+    Assert.assertSame(NMTokenCache.getSingleton(),
+        amClient.getNMTokenCache());
+    amClient.init(conf);
+    amClient.start();
+
+    NMClientImpl nmClient = (NMClientImpl) NMClient.createNMClient();
+    Assert.assertNotNull(nmClient);
+    // asserting we are using the singleton instance cache
+    Assert.assertSame(
+        NMTokenCache.getSingleton(), nmClient.getNMTokenCache());
+    nmClient.init(conf);
+    nmClient.start();
+    assertEquals(STATE.STARTED, nmClient.getServiceState());
+
+    amClient.registerApplicationMaster("Host", 10000, "");
+    assertEquals(0, amClient.ask.size());
+    assertEquals(0, amClient.release.size());
+
+    // START OPPORTUNISTIC Container, Send allocation request to RM
+    amClient.addContainerRequest(
+        new AMRMClient.ContainerRequest(capability, null, null, priority2, 0,
+            true, null, ExecutionTypeRequest
+            .newInstance(ExecutionType.GUARANTEED, true)));
+
+    int oppContainersRequestedAny =
+        amClient.getTable(0).get(priority2, ResourceRequest.ANY,
+            ExecutionType.GUARANTEED, capability).remoteRequest
+            .getNumContainers();
+
+    assertEquals(1, oppContainersRequestedAny);
+    assertEquals(1, amClient.ask.size());
+    assertEquals(0, amClient.release.size());
+
+    // RM should allocate container within 2 calls to allocate()
+    int allocatedContainerCount = 0;
+    Map<ContainerId, Container> allocatedGuaranteedContainers = new HashMap<>();
+    int iterationsLeft = 50;
+
+    amClient.getNMTokenCache().clearCache();
+    assertEquals(0,
+        amClient.getNMTokenCache().numberOfTokensInCache());
+
+    AllocateResponse allocResponse = null;
+    while (allocatedContainerCount < oppContainersRequestedAny
+        && iterationsLeft-- > 0) {
+      allocResponse = amClient.allocate(0.1f);
+      // let NM heartbeat to RM and trigger allocations
+      //triggerSchedulingWithNMHeartBeat();
+      assertEquals(0, amClient.ask.size());
+      assertEquals(0, amClient.release.size());
+
+      allocatedContainerCount +=
+          allocResponse.getAllocatedContainers().size();
+      for (Container container : allocResponse.getAllocatedContainers()) {
+        if (container.getExecutionType() == ExecutionType.GUARANTEED) {
+          allocatedGuaranteedContainers.put(container.getId(), container);
+        }
+      }
+      if (allocatedContainerCount < oppContainersRequestedAny) {
+        // sleep to let NM's heartbeat to RM and trigger allocations
+        sleep(100);
+      }
+    }
+    assertEquals(oppContainersRequestedAny, allocatedContainerCount);
+    assertEquals(oppContainersRequestedAny,
+        allocatedGuaranteedContainers.size());
+    startContainer(allocResponse, nmClient);
+
+    // SEND DEMOTION REQUEST TO RM
+    try {
+      Container c = allocatedGuaranteedContainers.values().iterator().next();
+      amClient.requestContainerUpdate(
+          c, UpdateContainerRequest.newInstance(c.getVersion(),
+              c.getId(), ContainerUpdateType.DEMOTE_EXECUTION_TYPE,
+              null, ExecutionType.GUARANTEED));
+      fail("Should throw Exception..");
+    } catch (IllegalArgumentException e) {
+      System.out.println("## " + e.getMessage());
+      assertTrue(e.getMessage().contains(
+          "target should be OPPORTUNISTIC and original should be GUARANTEED"));
+    }
+
+    Container c = allocatedGuaranteedContainers.values().iterator().next();
+    amClient.requestContainerUpdate(
+        c, UpdateContainerRequest.newInstance(c.getVersion(),
+            c.getId(), ContainerUpdateType.DEMOTE_EXECUTION_TYPE,
+            null, ExecutionType.OPPORTUNISTIC));
+    iterationsLeft = 120;
+    Map<ContainerId, UpdatedContainer> updatedContainers = new HashMap<>();
+    // do a few iterations to ensure RM is not going to send new containers
+    while (iterationsLeft-- > 0 && updatedContainers.isEmpty()) {
+      // inform RM of rejection
+      allocResponse = amClient.allocate(0.1f);
+      // RM did not send new containers because AM does not need any
+      if (allocResponse.getUpdatedContainers() != null) {
+        for (UpdatedContainer updatedContainer : allocResponse
+            .getUpdatedContainers()) {
+          System.out.println("Got update..");
+          updatedContainers.put(updatedContainer.getContainer().getId(),
+              updatedContainer);
+        }
+      }
+      if (iterationsLeft > 0) {
+        // sleep to make sure NM's heartbeat
+        sleep(100);
+      }
+    }
+    assertEquals(1, updatedContainers.size());
+
+    for (ContainerId cId : allocatedGuaranteedContainers.keySet()) {
+      Container orig = allocatedGuaranteedContainers.get(cId);
+      UpdatedContainer updatedContainer = updatedContainers.get(cId);
+      assertNotNull(updatedContainer);
+      assertEquals(ExecutionType.OPPORTUNISTIC,
+          updatedContainer.getContainer().getExecutionType());
+      assertEquals(orig.getResource(),
+          updatedContainer.getContainer().getResource());
+      assertEquals(orig.getNodeId(),
+          updatedContainer.getContainer().getNodeId());
+      assertEquals(orig.getVersion() + 1,
+          updatedContainer.getContainer().getVersion());
+    }
+    assertEquals(0, amClient.ask.size());
+    assertEquals(0, amClient.release.size());
+
+    updateContainerExecType(allocResponse, ExecutionType.OPPORTUNISTIC,
+        nmClient);
+    amClient.ask.clear();
+  }
+
+  private void updateContainerExecType(AllocateResponse allocResponse,
+      ExecutionType expectedExecType, NMClientImpl nmClient)
+      throws IOException, YarnException {
+    for (UpdatedContainer updatedContainer : allocResponse
+        .getUpdatedContainers()) {
+      Container container = updatedContainer.getContainer();
+      nmClient.increaseContainerResource(container);
+      // NodeManager may still need some time to get the stable
+      // container status
+      while (true) {
+        ContainerStatus status = nmClient
+            .getContainerStatus(container.getId(), container.getNodeId());
+        if (status.getExecutionType() == expectedExecType) {
+          break;
+        }
+        sleep(10);
+      }
+    }
+  }
+
+  private void startContainer(AllocateResponse allocResponse,
+      NMClientImpl nmClient) throws IOException, YarnException {
+    // START THE CONTAINER IN NM
+    // build container launch context
+    Credentials ts = new Credentials();
+    DataOutputBuffer dob = new DataOutputBuffer();
+    ts.writeTokenStorageToStream(dob);
+    ByteBuffer securityTokens =
+        ByteBuffer.wrap(dob.getData(), 0, dob.getLength());
+    // start a process long enough for increase/decrease action to take effect
+    ContainerLaunchContext clc = BuilderUtils.newContainerLaunchContext(
+        Collections.<String, LocalResource>emptyMap(),
+        new HashMap<String, String>(), Arrays.asList("sleep", "100"),
+        new HashMap<String, ByteBuffer>(), securityTokens,
+        new HashMap<ApplicationAccessType, String>());
+    // start the containers and make sure they are in RUNNING state
+    for (Container container : allocResponse.getAllocatedContainers()) {
+      nmClient.startContainer(container, clc);
+      // NodeManager may still need some time to get the stable
+      // container status
+      while (true) {
+        ContainerStatus status = nmClient
+            .getContainerStatus(container.getId(), container.getNodeId());
+        if (status.getState() == ContainerState.RUNNING) {
+          break;
+        }
+        sleep(10);
+      }
+    }
   }
 
+
   private void testAllocation(final AMRMClientImpl<ContainerRequest> amClient)
       throws YarnException, IOException {
     // setup container request
@@ -1172,7 +1509,7 @@ public class TestAMRMClient {
     Set<ContainerId> releases = new TreeSet<ContainerId>();
     
     amClient.getNMTokenCache().clearCache();
-    Assert.assertEquals(0, amClient.getNMTokenCache().numberOfTokensInCache());
+    assertEquals(0, amClient.getNMTokenCache().numberOfTokensInCache());
     HashMap<String, Token> receivedNMTokens = new HashMap<String, Token>();
     
     while (allocatedContainerCount < containersRequestedAny
@@ -1192,7 +1529,7 @@ public class TestAMRMClient {
       for (NMToken token : allocResponse.getNMTokens()) {
         String nodeID = token.getNodeId().toString();
         if (receivedNMTokens.containsKey(nodeID)) {
-          Assert.fail("Received token again for : " + nodeID);          
+          fail("Received token again for : " + nodeID);
         }
         receivedNMTokens.put(nodeID, token.getToken());
       }
@@ -1204,7 +1541,7 @@ public class TestAMRMClient {
     }
     
     // Should receive atleast 1 token
-    Assert.assertTrue(receivedNMTokens.size() > 0
+    assertTrue(receivedNMTokens.size() > 0
         && receivedNMTokens.size() <= nodeCount);
     
     assertEquals(allocatedContainerCount, containersRequestedAny);
@@ -1444,7 +1781,7 @@ public class TestAMRMClient {
       org.apache.hadoop.security.token.Token<AMRMTokenIdentifier> amrmToken_1 =
           getAMRMToken();
       Assert.assertNotNull(amrmToken_1);
-      Assert.assertEquals(amrmToken_1.decodeIdentifier().getKeyId(),
+      assertEquals(amrmToken_1.decodeIdentifier().getKeyId(),
         amrmTokenSecretManager.getMasterKey().getMasterKey().getKeyId());
 
       // Wait for enough time and make sure the roll_over happens
@@ -1459,7 +1796,7 @@ public class TestAMRMClient {
       org.apache.hadoop.security.token.Token<AMRMTokenIdentifier> amrmToken_2 =
           getAMRMToken();
       Assert.assertNotNull(amrmToken_2);
-      Assert.assertEquals(amrmToken_2.decodeIdentifier().getKeyId(),
+      assertEquals(amrmToken_2.decodeIdentifier().getKeyId(),
         amrmTokenSecretManager.getMasterKey().getMasterKey().getKeyId());
 
       Assert.assertNotEquals(amrmToken_1, amrmToken_2);
@@ -1474,7 +1811,7 @@ public class TestAMRMClient {
       AMRMTokenIdentifierForTest newVersionTokenIdentifier = 
           new AMRMTokenIdentifierForTest(amrmToken_2.decodeIdentifier(), "message");
       
-      Assert.assertEquals("Message is changed after set to newVersionTokenIdentifier",
+      assertEquals("Message is changed after set to newVersionTokenIdentifier",
           "message", newVersionTokenIdentifier.getMessage());
       org.apache.hadoop.security.token.Token<AMRMTokenIdentifier> newVersionToken = 
           new org.apache.hadoop.security.token.Token<AMRMTokenIdentifier> (
@@ -1530,10 +1867,10 @@ public class TestAMRMClient {
                 .getBindAddress(), conf);
           }
         }).allocate(Records.newRecord(AllocateRequest.class));
-        Assert.fail("The old Token should not work");
+        fail("The old Token should not work");
       } catch (Exception ex) {
-        Assert.assertTrue(ex instanceof InvalidToken);
-        Assert.assertTrue(ex.getMessage().contains(
+        assertTrue(ex instanceof InvalidToken);
+        assertTrue(ex.getMessage().contains(
           "Invalid AMRMToken from "
               + amrmToken_2.decodeIdentifier().getApplicationAttemptId()));
       }
@@ -1560,7 +1897,7 @@ public class TestAMRMClient {
       org.apache.hadoop.security.token.Token<?> token = iter.next();
       if (token.getKind().equals(AMRMTokenIdentifier.KIND_NAME)) {
         if (result != null) {
-          Assert.fail("credentials has more than one AMRM token."
+          fail("credentials has more than one AMRM token."
               + " token1: " + result + " token2: " + token);
         }
         result = (org.apache.hadoop.security.token.Token<AMRMTokenIdentifier>)

http://git-wip-us.apache.org/repos/asf/hadoop/blob/4d7be1d8/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-client/src/test/java/org/apache/hadoop/yarn/client/api/impl/TestNMClient.java
----------------------------------------------------------------------
diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-client/src/test/java/org/apache/hadoop/yarn/client/api/impl/TestNMClient.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-client/src/test/java/org/apache/hadoop/yarn/client/api/impl/TestNMClient.java
index 6bd0816..9b79e2d 100644
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-client/src/test/java/org/apache/hadoop/yarn/client/api/impl/TestNMClient.java
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-client/src/test/java/org/apache/hadoop/yarn/client/api/impl/TestNMClient.java
@@ -301,7 +301,6 @@ public class TestNMClient {
         assertTrue("The thrown exception is not expected",
             e.getMessage().contains("is not handled by this NodeManager"));
       }
-
       // increaseContainerResource shouldn't be called before startContainer,
       // otherwise, NodeManager cannot find the container
       try {
@@ -475,10 +474,10 @@ public class TestNMClient {
     try {
       nmClient.increaseContainerResource(container);
     } catch (YarnException e) {
-      // NM container will only be in SCHEDULED state, so expect the increase
-      // action to fail.
+      // NM container increase container resource should fail without a version
+      // increase action to fail.
       if (!e.getMessage().contains(
-          "can only be changed when a container is in RUNNING state")) {
+          container.getId() + " has update version ")) {
         throw (AssertionError)
             (new AssertionError("Exception is not expected: " + e)
                 .initCause(e));

http://git-wip-us.apache.org/repos/asf/hadoop/blob/4d7be1d8/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 84ed3c1..a1e8ca0 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
@@ -66,6 +66,7 @@ import org.apache.hadoop.yarn.api.records.ContainerId;
 import org.apache.hadoop.yarn.api.records.ContainerLaunchContext;
 import org.apache.hadoop.yarn.api.records.ContainerState;
 import org.apache.hadoop.yarn.api.records.ContainerStatus;
+import org.apache.hadoop.yarn.api.records.ExecutionType;
 import org.apache.hadoop.yarn.api.records.LocalResource;
 import org.apache.hadoop.yarn.api.records.LocalResourceVisibility;
 import org.apache.hadoop.yarn.api.records.LogAggregationContext;
@@ -136,13 +137,14 @@ import org.apache.hadoop.yarn.server.nodemanager.containermanager.logaggregation
 import org.apache.hadoop.yarn.server.nodemanager.containermanager.loghandler.LogHandler;
 import org.apache.hadoop.yarn.server.nodemanager.containermanager.loghandler.NonAggregatingLogHandler;
 import org.apache.hadoop.yarn.server.nodemanager.containermanager.loghandler.event.LogHandlerEventType;
-import org.apache.hadoop.yarn.server.nodemanager.containermanager.monitor.ChangeMonitoringContainerResourceEvent;
 import org.apache.hadoop.yarn.server.nodemanager.containermanager.monitor.ContainersMonitor;
 import org.apache.hadoop.yarn.server.nodemanager.containermanager.monitor.ContainersMonitorEventType;
 import org.apache.hadoop.yarn.server.nodemanager.containermanager.monitor.ContainersMonitorImpl;
 
 import org.apache.hadoop.yarn.server.nodemanager.containermanager.scheduler.ContainerScheduler;
 import org.apache.hadoop.yarn.server.nodemanager.containermanager.scheduler.ContainerSchedulerEventType;
+
+import org.apache.hadoop.yarn.server.nodemanager.containermanager.scheduler.UpdateContainerSchedulerEvent;
 import org.apache.hadoop.yarn.server.nodemanager.metrics.NodeManagerMetrics;
 import org.apache.hadoop.yarn.server.nodemanager.recovery.NMStateStoreService;
 import org.apache.hadoop.yarn.server.nodemanager.recovery.NMStateStoreService.RecoveredApplicationsState;
@@ -410,8 +412,24 @@ public class ContainerManagerImpl extends CompositeService implements
       throws IOException {
     StartContainerRequest req = rcs.getStartRequest();
     ContainerLaunchContext launchContext = req.getContainerLaunchContext();
-    ContainerTokenIdentifier token =
-        BuilderUtils.newContainerTokenIdentifier(req.getContainerToken());
+    ContainerTokenIdentifier token = null;
+    if(rcs.getCapability() != null) {
+      ContainerTokenIdentifier originalToken =
+          BuilderUtils.newContainerTokenIdentifier(req.getContainerToken());
+      token = new ContainerTokenIdentifier(originalToken.getContainerID(),
+          originalToken.getVersion(), originalToken.getNmHostAddress(),
+          originalToken.getApplicationSubmitter(), rcs.getCapability(),
+          originalToken.getExpiryTimeStamp(), originalToken.getMasterKeyId(),
+          originalToken.getRMIdentifier(), originalToken.getPriority(),
+          originalToken.getCreationTime(),
+          originalToken.getLogAggregationContext(),
+          originalToken.getNodeLabelExpression(),
+          originalToken.getContainerType(), originalToken.getExecutionType());
+
+    } else {
+      token = BuilderUtils.newContainerTokenIdentifier(req.getContainerToken());
+    }
+
     ContainerId containerId = token.getContainerID();
     ApplicationId appId =
         containerId.getApplicationAttemptId().getApplicationId();
@@ -1183,9 +1201,7 @@ public class ContainerManagerImpl extends CompositeService implements
           // as container resource increase request will have come with
           // an updated NMToken.
           updateNMTokenIdentifier(nmTokenIdentifier);
-          Resource resource = containerTokenIdentifier.getResource();
-          changeContainerResourceInternal(containerId,
-              containerTokenIdentifier.getVersion(), resource, true);
+          updateContainerInternal(containerId, containerTokenIdentifier);
           successfullyUpdatedContainers.add(containerId);
         } catch (YarnException | InvalidToken e) {
           failedContainers.put(containerId, SerializedException.newInstance(e));
@@ -1199,9 +1215,9 @@ public class ContainerManagerImpl extends CompositeService implements
   }
 
   @SuppressWarnings("unchecked")
-  private void changeContainerResourceInternal(ContainerId containerId,
-      int containerVersion, Resource targetResource, boolean increase)
-          throws YarnException, IOException {
+  private void updateContainerInternal(ContainerId containerId,
+      ContainerTokenIdentifier containerTokenIdentifier)
+      throws YarnException, IOException {
     Container container = context.getContainers().get(containerId);
     // Check container existence
     if (container == null) {
@@ -1213,64 +1229,77 @@ public class ContainerManagerImpl extends CompositeService implements
             + " is not handled by this NodeManager");
       }
     }
+    // Check container version.
+    int currentVersion = container.getContainerTokenIdentifier().getVersion();
+    if (containerTokenIdentifier.getVersion() <= currentVersion) {
+      throw RPCUtil.getRemoteException("Container " + containerId.toString()
+          + " has update version [" + currentVersion + "] >= requested version"
+          + " [" + containerTokenIdentifier.getVersion() + "]");
+    }
+
     // Check container state
     org.apache.hadoop.yarn.server.nodemanager.
         containermanager.container.ContainerState currentState =
         container.getContainerState();
     if (currentState != org.apache.hadoop.yarn.server.
-        nodemanager.containermanager.container.ContainerState.RUNNING) {
+            nodemanager.containermanager.container.ContainerState.RUNNING &&
+        currentState != org.apache.hadoop.yarn.server.
+            nodemanager.containermanager.container.ContainerState.SCHEDULED) {
       throw RPCUtil.getRemoteException("Container " + containerId.toString()
           + " is in " + currentState.name() + " state."
           + " Resource can only be changed when a container is in"
-          + " RUNNING state");
+          + " RUNNING or SCHEDULED state");
     }
+
     // Check validity of the target resource.
     Resource currentResource = container.getResource();
-    if (currentResource.equals(targetResource)) {
-      LOG.warn("Unable to change resource for container "
-          + containerId.toString()
-          + ". The target resource "
-          + targetResource.toString()
-          + " is the same as the current resource");
-      return;
-    }
-    if (increase && !Resources.fitsIn(currentResource, targetResource)) {
-      throw RPCUtil.getRemoteException("Unable to increase resource for "
-          + "container " + containerId.toString()
-          + ". The target resource "
-          + targetResource.toString()
-          + " is smaller than the current resource "
-          + currentResource.toString());
-    }
-    if (!increase &&
-        (!Resources.fitsIn(Resources.none(), targetResource)
-            || !Resources.fitsIn(targetResource, currentResource))) {
-      throw RPCUtil.getRemoteException("Unable to decrease resource for "
-          + "container " + containerId.toString()
-          + ". The target resource "
-          + targetResource.toString()
-          + " is not smaller than the current resource "
-          + currentResource.toString());
-    }
-    if (increase) {
-      org.apache.hadoop.yarn.api.records.Container increasedContainer =
-          org.apache.hadoop.yarn.api.records.Container.newInstance(
-              containerId, null, null, targetResource, null, null);
+    ExecutionType currentExecType =
+        container.getContainerTokenIdentifier().getExecutionType();
+    boolean isResourceChange = false;
+    boolean isExecTypeUpdate = false;
+    Resource targetResource = containerTokenIdentifier.getResource();
+    ExecutionType targetExecType = containerTokenIdentifier.getExecutionType();
+
+    // Is true if either the resources has increased or execution type
+    // updated from opportunistic to guaranteed
+    boolean isIncrease = false;
+    if (!currentResource.equals(targetResource)) {
+      isResourceChange = true;
+      isIncrease = Resources.fitsIn(currentResource, targetResource)
+          && !Resources.fitsIn(targetResource, currentResource);
+    } else if (!currentExecType.equals(targetExecType)) {
+      isExecTypeUpdate = true;
+      isIncrease = currentExecType == ExecutionType.OPPORTUNISTIC &&
+          targetExecType == ExecutionType.GUARANTEED;
+    }
+    if (isIncrease) {
+      org.apache.hadoop.yarn.api.records.Container increasedContainer = null;
+      if (isResourceChange) {
+        increasedContainer =
+            org.apache.hadoop.yarn.api.records.Container.newInstance(
+                containerId, null, null, targetResource, null, null,
+                currentExecType);
+      } else {
+        increasedContainer =
+            org.apache.hadoop.yarn.api.records.Container.newInstance(
+                containerId, null, null, currentResource, null, null,
+                targetExecType);
+      }
       if (context.getIncreasedContainers().putIfAbsent(containerId,
           increasedContainer) != null){
         throw RPCUtil.getRemoteException("Container " + containerId.toString()
-            + " resource is being increased.");
+            + " resource is being increased -or- " +
+            "is undergoing ExecutionType promoted.");
       }
     }
     this.readLock.lock();
     try {
       if (!serviceStopped) {
-        // Persist container resource change for recovery
-        this.context.getNMStateStore().storeContainerResourceChanged(
-            containerId, containerVersion, targetResource);
-        getContainersMonitor().handle(
-            new ChangeMonitoringContainerResourceEvent(
-                containerId, targetResource));
+        // Dispatch message to ContainerScheduler to actually
+        // make the change.
+        dispatcher.getEventHandler().handle(new UpdateContainerSchedulerEvent(
+            container, containerTokenIdentifier, isResourceChange,
+            isExecTypeUpdate, isIncrease));
       } else {
         throw new YarnException(
             "Unable to change container resource as the NodeManager is "
@@ -1571,8 +1600,11 @@ public class ContainerManagerImpl extends CompositeService implements
       for (org.apache.hadoop.yarn.api.records.Container container
           : containersDecreasedEvent.getContainersToDecrease()) {
         try {
-          changeContainerResourceInternal(container.getId(),
-              container.getVersion(), container.getResource(), false);
+          ContainerTokenIdentifier containerTokenIdentifier =
+              BuilderUtils.newContainerTokenIdentifier(
+                  container.getContainerToken());
+          updateContainerInternal(container.getId(),
+              containerTokenIdentifier);
         } catch (YarnException e) {
           LOG.error("Unable to decrease container resource", e);
         } catch (IOException e) {

http://git-wip-us.apache.org/repos/asf/hadoop/blob/4d7be1d8/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/java/org/apache/hadoop/yarn/server/nodemanager/containermanager/container/Container.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/Container.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/Container.java
index bd3f06d..f6e567c 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/Container.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/Container.java
@@ -39,10 +39,10 @@ public interface Container extends EventHandler<ContainerEvent> {
 
   Resource getResource();
 
-  void setResource(Resource targetResource);
-
   ContainerTokenIdentifier getContainerTokenIdentifier();
 
+  void setContainerTokenIdentifier(ContainerTokenIdentifier token);
+
   String getUser();
   
   ContainerState getContainerState();

http://git-wip-us.apache.org/repos/asf/hadoop/blob/4d7be1d8/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 c0aa6b0..734a27b 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
@@ -148,9 +148,8 @@ public class ContainerImpl implements Container {
   private final Credentials credentials;
   private final NodeManagerMetrics metrics;
   private volatile ContainerLaunchContext launchContext;
-  private final ContainerTokenIdentifier containerTokenIdentifier;
+  private volatile ContainerTokenIdentifier containerTokenIdentifier;
   private final ContainerId containerId;
-  private volatile Resource resource;
   private final String user;
   private int version;
   private int exitCode = ContainerExitStatus.INVALID;
@@ -201,7 +200,6 @@ public class ContainerImpl implements Container {
         YarnConfiguration.DEFAULT_NM_CONTAINER_DIAGNOSTICS_MAXIMUM_SIZE);
     this.containerTokenIdentifier = containerTokenIdentifier;
     this.containerId = containerTokenIdentifier.getContainerID();
-    this.resource = containerTokenIdentifier.getResource();
     this.diagnostics = new StringBuilder();
     this.credentials = creds;
     this.metrics = metrics;
@@ -269,13 +267,6 @@ public class ContainerImpl implements Container {
     this.exitCode = rcs.getExitCode();
     this.recoveredAsKilled = rcs.getKilled();
     this.diagnostics.append(rcs.getDiagnostics());
-    Resource recoveredCapability = rcs.getCapability();
-    if (recoveredCapability != null
-        && !this.resource.equals(recoveredCapability)) {
-      // resource capability had been updated before NM was down
-      this.resource = Resource.newInstance(recoveredCapability.getMemorySize(),
-          recoveredCapability.getVirtualCores());
-    }
     this.version = rcs.getVersion();
     this.remainingRetryAttempts = rcs.getRemainingRetryAttempts();
     this.workDir = rcs.getWorkDir();
@@ -640,14 +631,8 @@ public class ContainerImpl implements Container {
 
   @Override
   public Resource getResource() {
-    return Resources.clone(this.resource);
-  }
-
-  @Override
-  public void setResource(Resource targetResource) {
-    Resource currentResource = getResource();
-    this.resource = Resources.clone(targetResource);
-    this.metrics.changeContainer(currentResource, targetResource);
+    return Resources.clone(
+        this.containerTokenIdentifier.getResource());
   }
 
   @Override
@@ -661,6 +646,16 @@ public class ContainerImpl implements Container {
   }
 
   @Override
+  public void setContainerTokenIdentifier(ContainerTokenIdentifier token) {
+    this.writeLock.lock();
+    try {
+      this.containerTokenIdentifier = token;
+    } finally {
+      this.writeLock.unlock();
+    }
+  }
+
+  @Override
   public String getWorkDir() {
     return workDir;
   }
@@ -833,7 +828,8 @@ public class ContainerImpl implements Container {
             AuditConstants.FINISH_KILLED_CONTAINER, "ContainerImpl",
             container.containerId.getApplicationAttemptId().getApplicationId(),
             container.containerId);
-        container.metrics.releaseContainer(container.resource);
+        container.metrics.releaseContainer(
+            container.containerTokenIdentifier.getResource());
         container.sendFinishedEvents();
         return ContainerState.DONE;
       }
@@ -1517,7 +1513,8 @@ public class ContainerImpl implements Container {
     @Override
     @SuppressWarnings("unchecked")
     public void transition(ContainerImpl container, ContainerEvent event) {
-      container.metrics.releaseContainer(container.resource);
+      container.metrics.releaseContainer(
+          container.containerTokenIdentifier.getResource());
       if (container.containerMetrics != null) {
         container.containerMetrics
             .recordFinishTimeAndExitCode(clock.getTime(), container.exitCode);

http://git-wip-us.apache.org/repos/asf/hadoop/blob/4d7be1d8/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/java/org/apache/hadoop/yarn/server/nodemanager/containermanager/monitor/ContainersMonitorImpl.java
----------------------------------------------------------------------
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/monitor/ContainersMonitorImpl.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/java/org/apache/hadoop/yarn/server/nodemanager/containermanager/monitor/ContainersMonitorImpl.java
index 6ee60bd..13e7491 100644
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/java/org/apache/hadoop/yarn/server/nodemanager/containermanager/monitor/ContainersMonitorImpl.java
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/java/org/apache/hadoop/yarn/server/nodemanager/containermanager/monitor/ContainersMonitorImpl.java
@@ -741,19 +741,6 @@ public class ContainersMonitorImpl extends AbstractService implements
     }
   }
 
-  private void changeContainerResource(
-      ContainerId containerId, Resource resource) {
-    Container container = context.getContainers().get(containerId);
-    // Check container existence
-    if (container == null) {
-      LOG.warn("Container " + containerId.toString() + "does not exist");
-      return;
-    }
-    // YARN-5860: Route this through the ContainerScheduler to
-    //       fix containerAllocation
-    container.setResource(resource);
-  }
-
   private void updateContainerMetrics(ContainersMonitorEvent monitoringEvent) {
     if (!containerMetricsEnabled || monitoringEvent == null) {
       return;
@@ -902,8 +889,6 @@ public class ContainersMonitorImpl extends AbstractService implements
       int cpuVcores = changeEvent.getResource().getVirtualCores();
       processTreeInfo.setResourceLimit(pmemLimit, vmemLimit, cpuVcores);
     }
-
-    changeContainerResource(containerId, changeEvent.getResource());
   }
 
   private void onStopMonitoringContainer(

http://git-wip-us.apache.org/repos/asf/hadoop/blob/4d7be1d8/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/java/org/apache/hadoop/yarn/server/nodemanager/containermanager/scheduler/ContainerScheduler.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/scheduler/ContainerScheduler.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/java/org/apache/hadoop/yarn/server/nodemanager/containermanager/scheduler/ContainerScheduler.java
index 60d6213..19b4505 100644
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/java/org/apache/hadoop/yarn/server/nodemanager/containermanager/scheduler/ContainerScheduler.java
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/java/org/apache/hadoop/yarn/server/nodemanager/containermanager/scheduler/ContainerScheduler.java
@@ -31,6 +31,9 @@ import org.apache.hadoop.yarn.server.api.records.ContainerQueuingLimit;
 import org.apache.hadoop.yarn.server.api.records.OpportunisticContainersStatus;
 import org.apache.hadoop.yarn.server.nodemanager.Context;
 import org.apache.hadoop.yarn.server.nodemanager.containermanager.container.Container;
+
+import org.apache.hadoop.yarn.server.nodemanager.containermanager.monitor
+    .ChangeMonitoringContainerResourceEvent;
 import org.apache.hadoop.yarn.server.nodemanager.containermanager.monitor.ContainersMonitor;
 
 
@@ -136,6 +139,13 @@ public class ContainerScheduler extends AbstractService implements
     case CONTAINER_COMPLETED:
       onContainerCompleted(event.getContainer());
       break;
+    case UPDATE_CONTAINER:
+      if (event instanceof UpdateContainerSchedulerEvent) {
+        onUpdateContainer((UpdateContainerSchedulerEvent) event);
+      } else {
+        LOG.error("Unknown event type on UpdateCOntainer: " + event.getType());
+      }
+      break;
     case SHED_QUEUED_CONTAINERS:
       shedQueuedOpportunisticContainers();
       break;
@@ -146,6 +156,69 @@ public class ContainerScheduler extends AbstractService implements
   }
 
   /**
+   * We assume that the ContainerManager has already figured out what kind
+   * of update this is.
+   */
+  private void onUpdateContainer(UpdateContainerSchedulerEvent updateEvent) {
+    ContainerId containerId = updateEvent.getContainer().getContainerId();
+    if (updateEvent.isResourceChange()) {
+      if (runningContainers.containsKey(containerId)) {
+        this.utilizationTracker.subtractContainerResource(
+            updateEvent.getContainer());
+        updateEvent.getContainer().setContainerTokenIdentifier(
+            updateEvent.getUpdatedToken());
+        this.utilizationTracker.addContainerResources(
+            updateEvent.getContainer());
+        getContainersMonitor().handle(
+            new ChangeMonitoringContainerResourceEvent(containerId,
+                updateEvent.getUpdatedToken().getResource()));
+      } else {
+        updateEvent.getContainer().setContainerTokenIdentifier(
+            updateEvent.getUpdatedToken());
+      }
+      try {
+        // Persist change in the state store.
+        this.context.getNMStateStore().storeContainerResourceChanged(
+            containerId,
+            updateEvent.getUpdatedToken().getVersion(),
+            updateEvent.getUpdatedToken().getResource());
+      } catch (IOException e) {
+        LOG.warn("Could not store container [" + containerId + "] resource " +
+            "change..", e);
+      }
+    }
+
+    if (updateEvent.isExecTypeUpdate()) {
+      updateEvent.getContainer().setContainerTokenIdentifier(
+          updateEvent.getUpdatedToken());
+      // If this is a running container.. just change the execution type
+      // and be done with it.
+      if (!runningContainers.containsKey(containerId)) {
+        // Promotion or not (Increase signifies either a promotion
+        // or container size increase)
+        if (updateEvent.isIncrease()) {
+          // Promotion of queued container..
+          if (queuedOpportunisticContainers.remove(containerId) != null) {
+            queuedGuaranteedContainers.put(containerId,
+                updateEvent.getContainer());
+          }
+          //Kill opportunistic containers if any to make room for
+          // promotion request
+          killOpportunisticContainers(updateEvent.getContainer());
+        } else {
+          // Demotion of queued container.. Should not happen too often
+          // since you should not find too many queued guaranteed
+          // containers
+          if (queuedGuaranteedContainers.remove(containerId) != null) {
+            queuedOpportunisticContainers.put(containerId,
+                updateEvent.getContainer());
+          }
+        }
+      }
+    }
+  }
+
+  /**
    * Return number of queued containers.
    * @return Number of queued containers.
    */

http://git-wip-us.apache.org/repos/asf/hadoop/blob/4d7be1d8/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/java/org/apache/hadoop/yarn/server/nodemanager/containermanager/scheduler/ContainerSchedulerEventType.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/scheduler/ContainerSchedulerEventType.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/java/org/apache/hadoop/yarn/server/nodemanager/containermanager/scheduler/ContainerSchedulerEventType.java
index 086cb9b..917eda0 100644
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/java/org/apache/hadoop/yarn/server/nodemanager/containermanager/scheduler/ContainerSchedulerEventType.java
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/java/org/apache/hadoop/yarn/server/nodemanager/containermanager/scheduler/ContainerSchedulerEventType.java
@@ -24,6 +24,7 @@ package org.apache.hadoop.yarn.server.nodemanager.containermanager.scheduler;
 public enum ContainerSchedulerEventType {
   SCHEDULE_CONTAINER,
   CONTAINER_COMPLETED,
+  UPDATE_CONTAINER,
   // Producer: Node HB response - RM has asked to shed the queue
   SHED_QUEUED_CONTAINERS,
 }

http://git-wip-us.apache.org/repos/asf/hadoop/blob/4d7be1d8/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/java/org/apache/hadoop/yarn/server/nodemanager/containermanager/scheduler/UpdateContainerSchedulerEvent.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/scheduler/UpdateContainerSchedulerEvent.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/java/org/apache/hadoop/yarn/server/nodemanager/containermanager/scheduler/UpdateContainerSchedulerEvent.java
new file mode 100644
index 0000000..5384b7e
--- /dev/null
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/java/org/apache/hadoop/yarn/server/nodemanager/containermanager/scheduler/UpdateContainerSchedulerEvent.java
@@ -0,0 +1,85 @@
+/**
+ * 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.nodemanager.containermanager.scheduler;
+
+import org.apache.hadoop.yarn.security.ContainerTokenIdentifier;
+import org.apache.hadoop.yarn.server.nodemanager.containermanager.container
+    .Container;
+/**
+ * Update Event consumed by the {@link ContainerScheduler}.
+ */
+public class UpdateContainerSchedulerEvent extends ContainerSchedulerEvent {
+
+  private ContainerTokenIdentifier updatedToken;
+  private boolean isResourceChange;
+  private boolean isExecTypeUpdate;
+  private boolean isIncrease;
+
+  /**
+   * Create instance of Event.
+   *
+   * @param originalContainer Original Container.
+   * @param updatedToken Updated Container Token.
+   * @param isResourceChange is this a Resource Change.
+   * @param isExecTypeUpdate is this an ExecTypeUpdate.
+   * @param isIncrease is this a Container Increase.
+   */
+  public UpdateContainerSchedulerEvent(Container originalContainer,
+      ContainerTokenIdentifier updatedToken, boolean isResourceChange,
+      boolean isExecTypeUpdate, boolean isIncrease) {
+    super(originalContainer, ContainerSchedulerEventType.UPDATE_CONTAINER);
+    this.updatedToken = updatedToken;
+    this.isResourceChange = isResourceChange;
+    this.isExecTypeUpdate = isExecTypeUpdate;
+    this.isIncrease = isIncrease;
+  }
+
+  /**
+   * Update Container Token.
+   *
+   * @return Container Token.
+   */
+  public ContainerTokenIdentifier getUpdatedToken() {
+    return updatedToken;
+  }
+
+  /**
+   * isResourceChange.
+   * @return isResourceChange.
+   */
+  public boolean isResourceChange() {
+    return isResourceChange;
+  }
+
+  /**
+   * isExecTypeUpdate.
+   * @return isExecTypeUpdate.
+   */
+  public boolean isExecTypeUpdate() {
+    return isExecTypeUpdate;
+  }
+
+  /**
+   * isIncrease.
+   * @return isIncrease.
+   */
+  public boolean isIncrease() {
+    return isIncrease;
+  }
+}

http://git-wip-us.apache.org/repos/asf/hadoop/blob/4d7be1d8/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/test/java/org/apache/hadoop/yarn/server/nodemanager/TestNodeManagerResync.java
----------------------------------------------------------------------
diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/test/java/org/apache/hadoop/yarn/server/nodemanager/TestNodeManagerResync.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/test/java/org/apache/hadoop/yarn/server/nodemanager/TestNodeManagerResync.java
index 0c025ac..b8cd7dd 100644
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/test/java/org/apache/hadoop/yarn/server/nodemanager/TestNodeManagerResync.java
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/test/java/org/apache/hadoop/yarn/server/nodemanager/TestNodeManagerResync.java
@@ -682,7 +682,7 @@ public class TestNodeManagerResync {
         try{
           try {
             updateBarrier.await();
-            increaseTokens.add(getContainerToken(targetResource));
+            increaseTokens.add(getContainerToken(targetResource, 1));
             ContainerUpdateRequest updateRequest =
                 ContainerUpdateRequest.newInstance(increaseTokens);
             ContainerUpdateResponse updateResponse =
@@ -710,6 +710,15 @@ public class TestNodeManagerResync {
           getNMContext().getNodeId(), user, resource,
           getNMContext().getContainerTokenSecretManager(), null);
     }
+
+    private Token getContainerToken(Resource resource, int version)
+        throws IOException {
+      ContainerId cId = TestContainerManager.createContainerId(0);
+      return TestContainerManager.createContainerToken(
+          cId, version, DUMMY_RM_IDENTIFIER,
+          getNMContext().getNodeId(), user, resource,
+          getNMContext().getContainerTokenSecretManager(), null);
+    }
   }
 
   public static NMContainerStatus createNMContainerStatus(int id,

http://git-wip-us.apache.org/repos/asf/hadoop/blob/4d7be1d8/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/test/java/org/apache/hadoop/yarn/server/nodemanager/containermanager/BaseContainerManagerTest.java
----------------------------------------------------------------------
diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/test/java/org/apache/hadoop/yarn/server/nodemanager/containermanager/BaseContainerManagerTest.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/test/java/org/apache/hadoop/yarn/server/nodemanager/containermanager/BaseContainerManagerTest.java
index d266ac1..6c96a47 100644
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/test/java/org/apache/hadoop/yarn/server/nodemanager/containermanager/BaseContainerManagerTest.java
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/test/java/org/apache/hadoop/yarn/server/nodemanager/containermanager/BaseContainerManagerTest.java
@@ -421,6 +421,20 @@ public abstract class BaseContainerManagerTest {
             containerTokenIdentifier);
   }
 
+  public static Token createContainerToken(ContainerId cId, int version,
+      long rmIdentifier, NodeId nodeId, String user, Resource resource,
+      NMContainerTokenSecretManager containerTokenSecretManager,
+      LogAggregationContext logAggregationContext) throws IOException {
+    ContainerTokenIdentifier containerTokenIdentifier =
+        new ContainerTokenIdentifier(cId, version, nodeId.toString(), user,
+            resource, System.currentTimeMillis() + 100000L, 123, rmIdentifier,
+            Priority.newInstance(0), 0, logAggregationContext, null,
+            ContainerType.TASK, ExecutionType.GUARANTEED);
+    return BuilderUtils.newContainerToken(nodeId,
+        containerTokenSecretManager.retrievePassword(containerTokenIdentifier),
+        containerTokenIdentifier);
+  }
+
   public static Token createContainerToken(ContainerId cId, long rmIdentifier,
       NodeId nodeId, String user, Resource resource,
       NMContainerTokenSecretManager containerTokenSecretManager,
@@ -431,8 +445,23 @@ public abstract class BaseContainerManagerTest {
             System.currentTimeMillis() + 100000L, 123, rmIdentifier,
             Priority.newInstance(0), 0, logAggregationContext, null,
             ContainerType.TASK, executionType);
-    return BuilderUtils.newContainerToken(nodeId, containerTokenSecretManager
-            .retrievePassword(containerTokenIdentifier),
+    return BuilderUtils.newContainerToken(nodeId,
+        containerTokenSecretManager.retrievePassword(containerTokenIdentifier),
+        containerTokenIdentifier);
+  }
+
+  public static Token createContainerToken(ContainerId cId, int version,
+      long rmIdentifier, NodeId nodeId, String user, Resource resource,
+      NMContainerTokenSecretManager containerTokenSecretManager,
+      LogAggregationContext logAggregationContext, ExecutionType executionType)
+      throws IOException {
+    ContainerTokenIdentifier containerTokenIdentifier =
+        new ContainerTokenIdentifier(cId, version, nodeId.toString(), user,
+            resource, System.currentTimeMillis() + 100000L, 123, rmIdentifier,
+            Priority.newInstance(0), 0, logAggregationContext, null,
+            ContainerType.TASK, executionType);
+    return BuilderUtils.newContainerToken(nodeId,
+        containerTokenSecretManager.retrievePassword(containerTokenIdentifier),
         containerTokenIdentifier);
   }
 

http://git-wip-us.apache.org/repos/asf/hadoop/blob/4d7be1d8/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/test/java/org/apache/hadoop/yarn/server/nodemanager/containermanager/TestContainerManager.java
----------------------------------------------------------------------
diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/test/java/org/apache/hadoop/yarn/server/nodemanager/containermanager/TestContainerManager.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/test/java/org/apache/hadoop/yarn/server/nodemanager/containermanager/TestContainerManager.java
index 24d46b6..9844225 100644
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/test/java/org/apache/hadoop/yarn/server/nodemanager/containermanager/TestContainerManager.java
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/test/java/org/apache/hadoop/yarn/server/nodemanager/containermanager/TestContainerManager.java
@@ -20,6 +20,7 @@ package org.apache.hadoop.yarn.server.nodemanager.containermanager;
 
 import static org.junit.Assert.assertEquals;
 import static org.mockito.Mockito.never;
+import static org.mockito.Mockito.spy;
 import static org.mockito.Mockito.timeout;
 import static org.mockito.Mockito.verify;
 
@@ -70,6 +71,7 @@ import org.apache.hadoop.yarn.api.records.ContainerRetryContext;
 import org.apache.hadoop.yarn.api.records.ContainerRetryPolicy;
 import org.apache.hadoop.yarn.api.records.ContainerState;
 import org.apache.hadoop.yarn.api.records.ContainerStatus;
+import org.apache.hadoop.yarn.api.records.ExecutionType;
 import org.apache.hadoop.yarn.api.records.LocalResource;
 import org.apache.hadoop.yarn.api.records.LocalResourceType;
 import org.apache.hadoop.yarn.api.records.LocalResourceVisibility;
@@ -80,14 +82,15 @@ import org.apache.hadoop.yarn.api.records.SignalContainerCommand;
 import org.apache.hadoop.yarn.api.records.Token;
 import org.apache.hadoop.yarn.api.records.URL;
 import org.apache.hadoop.yarn.conf.YarnConfiguration;
+import org.apache.hadoop.yarn.exceptions.ConfigurationException;
 import org.apache.hadoop.yarn.exceptions.InvalidContainerException;
 import org.apache.hadoop.yarn.exceptions.YarnException;
 import org.apache.hadoop.yarn.security.ContainerTokenIdentifier;
 import org.apache.hadoop.yarn.security.NMTokenIdentifier;
 import org.apache.hadoop.yarn.server.api.ResourceManagerConstants;
 import org.apache.hadoop.yarn.server.nodemanager.CMgrCompletedAppsEvent;
-import org.apache.hadoop.yarn.server.nodemanager.CMgrDecreaseContainersResourceEvent;
 import org.apache.hadoop.yarn.server.nodemanager.CMgrSignalContainersEvent;
+import org.apache.hadoop.yarn.server.nodemanager.ContainerExecutor;
 import org.apache.hadoop.yarn.server.nodemanager.ContainerExecutor.Signal;
 import org.apache.hadoop.yarn.server.nodemanager.DefaultContainerExecutor;
 import org.apache.hadoop.yarn.server.nodemanager.DeletionService;
@@ -100,6 +103,7 @@ import org.apache.hadoop.yarn.server.nodemanager.containermanager.launcher.Conta
 import org.apache.hadoop.yarn.server.nodemanager.containermanager.localizer.ContainerLocalizer;
 import org.apache.hadoop.yarn.server.nodemanager.containermanager.localizer.ResourceLocalizationService;
 import org.apache.hadoop.yarn.server.nodemanager.executor.ContainerSignalContext;
+import org.apache.hadoop.yarn.server.nodemanager.executor.ContainerStartContext;
 import org.apache.hadoop.yarn.server.utils.BuilderUtils;
 import org.junit.Assert;
 import org.junit.Before;
@@ -116,10 +120,34 @@ public class TestContainerManager extends BaseContainerManagerTest {
   static {
     LOG = LogFactory.getLog(TestContainerManager.class);
   }
-  
+
+  private boolean delayContainers = false;
+
+  @Override
+  protected ContainerExecutor createContainerExecutor() {
+    DefaultContainerExecutor exec = new DefaultContainerExecutor() {
+      @Override
+      public int launchContainer(ContainerStartContext ctx)
+          throws IOException, ConfigurationException {
+        if (delayContainers) {
+          try {
+            Thread.sleep(10000);
+          } catch (InterruptedException e) {
+            // Nothing..
+          }
+        }
+        return super.launchContainer(ctx);
+      }
+    };
+    exec.setConf(conf);
+    return spy(exec);
+  }
+
   @Override
   @Before
   public void setup() throws IOException {
+    conf.setInt(
+        YarnConfiguration.NM_OPPORTUNISTIC_CONTAINERS_MAX_QUEUE_LENGTH, 10);
     super.setup();
   }
   
@@ -1468,7 +1496,7 @@ public class TestContainerManager extends BaseContainerManagerTest {
     Assert.assertEquals(strExceptionMsg,
         ContainerManagerImpl.INVALID_NMTOKEN_MSG);
 
-    ContainerManagerImpl spyContainerMgr = Mockito.spy(cMgrImpl);
+    ContainerManagerImpl spyContainerMgr = spy(cMgrImpl);
     UserGroupInformation ugInfo = UserGroupInformation.createRemoteUser("a");
     Mockito.when(spyContainerMgr.getRemoteUgi()).thenReturn(ugInfo);
     Mockito.when(spyContainerMgr.
@@ -1543,7 +1571,7 @@ public class TestContainerManager extends BaseContainerManagerTest {
     // container will have exited, and won't be in RUNNING state
     ContainerId cId0 = createContainerId(0);
     Token containerToken =
-        createContainerToken(cId0, DUMMY_RM_IDENTIFIER,
+        createContainerToken(cId0, 1, DUMMY_RM_IDENTIFIER,
             context.getNodeId(), user,
                 Resource.newInstance(1234, 3),
                     context.getContainerTokenSecretManager(), null);
@@ -1572,7 +1600,7 @@ public class TestContainerManager extends BaseContainerManagerTest {
       if (cId0.equals(entry.getKey())) {
         Assert.assertTrue(entry.getValue().getMessage()
           .contains("Resource can only be changed when a "
-              + "container is in RUNNING state"));
+              + "container is in RUNNING or SCHEDULED state"));
       } else if (cId7.equals(entry.getKey())) {
         Assert.assertTrue(entry.getValue().getMessage()
             .contains("Container " + cId7.toString()
@@ -1585,89 +1613,6 @@ public class TestContainerManager extends BaseContainerManagerTest {
   }
 
   @Test
-  public void testIncreaseContainerResourceWithInvalidResource() throws Exception {
-    containerManager.start();
-    File scriptFile = Shell.appendScriptExtension(tmpDir, "scriptFile");
-    PrintWriter fileWriter = new PrintWriter(scriptFile);
-    // Construct the Container-id
-    ContainerId cId = createContainerId(0);
-    if (Shell.WINDOWS) {
-      fileWriter.println("@ping -n 100 127.0.0.1 >nul");
-    } else {
-      fileWriter.write("\numask 0");
-      fileWriter.write("\nexec sleep 100");
-    }
-    fileWriter.close();
-    ContainerLaunchContext containerLaunchContext =
-        recordFactory.newRecordInstance(ContainerLaunchContext.class);
-    URL resource_alpha =
-        URL.fromPath(localFS
-            .makeQualified(new Path(scriptFile.getAbsolutePath())));
-    LocalResource rsrc_alpha =
-        recordFactory.newRecordInstance(LocalResource.class);
-    rsrc_alpha.setResource(resource_alpha);
-    rsrc_alpha.setSize(-1);
-    rsrc_alpha.setVisibility(LocalResourceVisibility.APPLICATION);
-    rsrc_alpha.setType(LocalResourceType.FILE);
-    rsrc_alpha.setTimestamp(scriptFile.lastModified());
-    String destinationFile = "dest_file";
-    Map<String, LocalResource> localResources =
-        new HashMap<String, LocalResource>();
-    localResources.put(destinationFile, rsrc_alpha);
-    containerLaunchContext.setLocalResources(localResources);
-    List<String> commands =
-        Arrays.asList(Shell.getRunScriptCommand(scriptFile));
-    containerLaunchContext.setCommands(commands);
-
-    StartContainerRequest scRequest =
-        StartContainerRequest.newInstance(
-            containerLaunchContext,
-            createContainerToken(cId, DUMMY_RM_IDENTIFIER, context.getNodeId(),
-            user, context.getContainerTokenSecretManager()));
-    List<StartContainerRequest> list = new ArrayList<>();
-    list.add(scRequest);
-    StartContainersRequest allRequests =
-        StartContainersRequest.newInstance(list);
-    containerManager.startContainers(allRequests);
-    // Make sure the container reaches RUNNING state
-    BaseContainerManagerTest.waitForNMContainerState(containerManager, cId,
-        org.apache.hadoop.yarn.server.nodemanager.
-            containermanager.container.ContainerState.RUNNING);
-    // Construct container resource increase request,
-    List<Token> increaseTokens = new ArrayList<>();
-    // Add increase request. The increase request should fail
-    // as the current resource does not fit in the target resource
-    Token containerToken =
-        createContainerToken(cId, DUMMY_RM_IDENTIFIER,
-            context.getNodeId(), user,
-            Resource.newInstance(512, 1),
-            context.getContainerTokenSecretManager(), null);
-    increaseTokens.add(containerToken);
-    ContainerUpdateRequest updateRequest =
-        ContainerUpdateRequest.newInstance(increaseTokens);
-    ContainerUpdateResponse updateResponse =
-        containerManager.updateContainer(updateRequest);
-    // Check response
-    Assert.assertEquals(
-        0, updateResponse.getSuccessfullyUpdatedContainers().size());
-    Assert.assertEquals(1, updateResponse.getFailedRequests().size());
-    for (Map.Entry<ContainerId, SerializedException> entry : updateResponse
-        .getFailedRequests().entrySet()) {
-      if (cId.equals(entry.getKey())) {
-        Assert.assertNotNull("Failed message", entry.getValue().getMessage());
-        Assert.assertTrue(entry.getValue().getMessage()
-            .contains("The target resource "
-                + Resource.newInstance(512, 1).toString()
-                + " is smaller than the current resource "
-                + Resource.newInstance(1024, 1)));
-      } else {
-        throw new YarnException("Received failed request from wrong"
-            + " container: " + entry.getKey().toString());
-      }
-    }
-  }
-
-  @Test
   public void testChangeContainerResource() throws Exception {
     containerManager.start();
     File scriptFile = Shell.appendScriptExtension(tmpDir, "scriptFile");
@@ -1720,7 +1665,7 @@ public class TestContainerManager extends BaseContainerManagerTest {
     List<Token> increaseTokens = new ArrayList<>();
     // Add increase request.
     Resource targetResource = Resource.newInstance(4096, 2);
-    Token containerToken = createContainerToken(cId, DUMMY_RM_IDENTIFIER,
+    Token containerToken = createContainerToken(cId, 1, DUMMY_RM_IDENTIFIER,
         context.getNodeId(), user, targetResource,
             context.getContainerTokenSecretManager(), null);
     increaseTokens.add(containerToken);
@@ -1741,15 +1686,19 @@ public class TestContainerManager extends BaseContainerManagerTest {
     // Check status immediately as resource increase is blocking
     assertEquals(targetResource, containerStatus.getCapability());
     // Simulate a decrease request
-    List<org.apache.hadoop.yarn.api.records.Container> containersToDecrease
-        = new ArrayList<>();
+    List<Token> decreaseTokens = new ArrayList<>();
     targetResource = Resource.newInstance(2048, 2);
-    org.apache.hadoop.yarn.api.records.Container decreasedContainer =
-        org.apache.hadoop.yarn.api.records.Container
-            .newInstance(cId, null, null, targetResource, null, null);
-    containersToDecrease.add(decreasedContainer);
-    containerManager.handle(
-        new CMgrDecreaseContainersResourceEvent(containersToDecrease));
+    Token token = createContainerToken(cId, 2, DUMMY_RM_IDENTIFIER,
+        context.getNodeId(), user, targetResource,
+        context.getContainerTokenSecretManager(), null);
+    decreaseTokens.add(token);
+    updateRequest = ContainerUpdateRequest.newInstance(decreaseTokens);
+    updateResponse = containerManager.updateContainer(updateRequest);
+
+    Assert.assertEquals(
+        1, updateResponse.getSuccessfullyUpdatedContainers().size());
+    Assert.assertTrue(updateResponse.getFailedRequests().isEmpty());
+
     // Check status with retry
     containerStatus = containerManager
         .getContainerStatuses(gcsRequest).getContainerStatuses().get(0);
@@ -1879,7 +1828,7 @@ public class TestContainerManager extends BaseContainerManagerTest {
     ContainerLaunchContext containerLaunchContext =
         recordFactory.newRecordInstance(ContainerLaunchContext.class);
     ContainerLaunchContext spyContainerLaunchContext =
-        Mockito.spy(containerLaunchContext);
+        spy(containerLaunchContext);
     Mockito.when(spyContainerLaunchContext.getLocalResources())
         .thenReturn(localResources);
 
@@ -1924,7 +1873,7 @@ public class TestContainerManager extends BaseContainerManagerTest {
     ContainerLaunchContext containerLaunchContext =
         recordFactory.newRecordInstance(ContainerLaunchContext.class);
     ContainerLaunchContext spyContainerLaunchContext =
-        Mockito.spy(containerLaunchContext);
+        spy(containerLaunchContext);
     Mockito.when(spyContainerLaunchContext.getLocalResources())
         .thenReturn(localResources);
 
@@ -1969,7 +1918,7 @@ public class TestContainerManager extends BaseContainerManagerTest {
     ContainerLaunchContext containerLaunchContext =
         recordFactory.newRecordInstance(ContainerLaunchContext.class);
     ContainerLaunchContext spyContainerLaunchContext =
-        Mockito.spy(containerLaunchContext);
+        spy(containerLaunchContext);
     Mockito.when(spyContainerLaunchContext.getLocalResources())
         .thenReturn(localResources);
 
@@ -1996,4 +1945,122 @@ public class TestContainerManager extends BaseContainerManagerTest {
     Assert.assertTrue(response.getFailedRequests().get(cId).getMessage()
         .contains("Null resource visibility for local resource"));
   }
+
+  @Test
+  public void testContainerUpdateExecTypeOpportunisticToGuaranteed()
+      throws IOException, YarnException, InterruptedException {
+    delayContainers = true;
+    containerManager.start();
+    // Construct the Container-id
+    ContainerId cId = createContainerId(0);
+    ContainerLaunchContext containerLaunchContext =
+        recordFactory.newRecordInstance(ContainerLaunchContext.class);
+
+    StartContainerRequest scRequest =
+        StartContainerRequest.newInstance(
+            containerLaunchContext,
+            createContainerToken(cId, DUMMY_RM_IDENTIFIER,
+                context.getNodeId(), user, BuilderUtils.newResource(512, 1),
+                context.getContainerTokenSecretManager(), null,
+                ExecutionType.OPPORTUNISTIC));
+    List<StartContainerRequest> list = new ArrayList<>();
+    list.add(scRequest);
+    StartContainersRequest allRequests =
+        StartContainersRequest.newInstance(list);
+    containerManager.startContainers(allRequests);
+    // Make sure the container reaches RUNNING state
+    BaseContainerManagerTest.waitForNMContainerState(containerManager, cId,
+        org.apache.hadoop.yarn.server.nodemanager.
+            containermanager.container.ContainerState.RUNNING);
+    // Construct container resource increase request,
+    List<Token> updateTokens = new ArrayList<>();
+    Token containerToken =
+        createContainerToken(cId, 1, DUMMY_RM_IDENTIFIER, context.getNodeId(),
+            user, BuilderUtils.newResource(512, 1),
+            context.getContainerTokenSecretManager(), null,
+            ExecutionType.GUARANTEED);
+    updateTokens.add(containerToken);
+    ContainerUpdateRequest updateRequest =
+        ContainerUpdateRequest.newInstance(updateTokens);
+    ContainerUpdateResponse updateResponse =
+        containerManager.updateContainer(updateRequest);
+
+    Assert.assertEquals(
+        1, updateResponse.getSuccessfullyUpdatedContainers().size());
+    Assert.assertTrue(updateResponse.getFailedRequests().isEmpty());
+
+    //Make sure the container is running
+    List<ContainerId> statList = new ArrayList<ContainerId>();
+    statList.add(cId);
+    GetContainerStatusesRequest statRequest =
+        GetContainerStatusesRequest.newInstance(statList);
+    List<ContainerStatus> containerStatuses = containerManager
+        .getContainerStatuses(statRequest).getContainerStatuses();
+    Assert.assertEquals(1, containerStatuses.size());
+    for (ContainerStatus status : containerStatuses) {
+      Assert.assertEquals(
+          org.apache.hadoop.yarn.api.records.ContainerState.RUNNING,
+          status.getState());
+      Assert.assertEquals(ExecutionType.GUARANTEED, status.getExecutionType());
+    }
+  }
+
+  @Test
+  public void testContainerUpdateExecTypeGuaranteedToOpportunistic()
+      throws IOException, YarnException, InterruptedException {
+    delayContainers = true;
+    containerManager.start();
+    // Construct the Container-id
+    ContainerId cId = createContainerId(0);
+    ContainerLaunchContext containerLaunchContext =
+        recordFactory.newRecordInstance(ContainerLaunchContext.class);
+
+    StartContainerRequest scRequest =
+        StartContainerRequest.newInstance(
+            containerLaunchContext,
+            createContainerToken(cId, DUMMY_RM_IDENTIFIER,
+                context.getNodeId(), user, BuilderUtils.newResource(512, 1),
+                context.getContainerTokenSecretManager(), null));
+    List<StartContainerRequest> list = new ArrayList<>();
+    list.add(scRequest);
+    StartContainersRequest allRequests =
+        StartContainersRequest.newInstance(list);
+    containerManager.startContainers(allRequests);
+    // Make sure the container reaches RUNNING state
+    BaseContainerManagerTest.waitForNMContainerState(containerManager, cId,
+        org.apache.hadoop.yarn.server.nodemanager.
+            containermanager.container.ContainerState.RUNNING);
+    // Construct container resource increase request,
+    List<Token> updateTokens = new ArrayList<>();
+    Token containerToken =
+        createContainerToken(cId, 1, DUMMY_RM_IDENTIFIER, context.getNodeId(),
+            user, BuilderUtils.newResource(512, 1),
+            context.getContainerTokenSecretManager(), null,
+            ExecutionType.OPPORTUNISTIC);
+    updateTokens.add(containerToken);
+    ContainerUpdateRequest updateRequest =
+        ContainerUpdateRequest.newInstance(updateTokens);
+    ContainerUpdateResponse updateResponse =
+        containerManager.updateContainer(updateRequest);
+
+    Assert.assertEquals(
+        1, updateResponse.getSuccessfullyUpdatedContainers().size());
+    Assert.assertTrue(updateResponse.getFailedRequests().isEmpty());
+
+    //Make sure the container is running
+    List<ContainerId> statList = new ArrayList<ContainerId>();
+    statList.add(cId);
+    GetContainerStatusesRequest statRequest =
+        GetContainerStatusesRequest.newInstance(statList);
+    List<ContainerStatus> containerStatuses = containerManager
+        .getContainerStatuses(statRequest).getContainerStatuses();
+    Assert.assertEquals(1, containerStatuses.size());
+    for (ContainerStatus status : containerStatuses) {
+      Assert.assertEquals(
+          org.apache.hadoop.yarn.api.records.ContainerState.RUNNING,
+          status.getState());
+      Assert
+          .assertEquals(ExecutionType.OPPORTUNISTIC, status.getExecutionType());
+    }
+  }
 }

http://git-wip-us.apache.org/repos/asf/hadoop/blob/4d7be1d8/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/test/java/org/apache/hadoop/yarn/server/nodemanager/containermanager/TestContainerManagerRecovery.java
----------------------------------------------------------------------
diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/test/java/org/apache/hadoop/yarn/server/nodemanager/containermanager/TestContainerManagerRecovery.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/test/java/org/apache/hadoop/yarn/server/nodemanager/containermanager/TestContainerManagerRecovery.java
index d2bd79c..224e99c 100644
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/test/java/org/apache/hadoop/yarn/server/nodemanager/containermanager/TestContainerManagerRecovery.java
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/test/java/org/apache/hadoop/yarn/server/nodemanager/containermanager/TestContainerManagerRecovery.java
@@ -652,7 +652,7 @@ public class TestContainerManagerRecovery extends BaseContainerManagerTest {
     final List<Token> increaseTokens = new ArrayList<Token>();
     // add increase request
     Token containerToken = TestContainerManager.createContainerToken(
-        cid, 0, context.getNodeId(), user.getShortUserName(),
+        cid, 1, 0, context.getNodeId(), user.getShortUserName(),
         capability, context.getContainerTokenSecretManager(), null);
     increaseTokens.add(containerToken);
     final ContainerUpdateRequest updateRequest =


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