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Posted to yarn-commits@hadoop.apache.org by bi...@apache.org on 2013/06/06 20:47:00 UTC
svn commit: r1490392 [2/2] - in
/hadoop/common/trunk/hadoop-yarn-project/hadoop-yarn:
hadoop-yarn-api/src/main/java/org/apache/hadoop/yarn/api/
hadoop-yarn-api/src/main/java/org/apache/hadoop/yarn/api/protocolrecords/
hadoop-yarn-api/src/main/java/org/...
Modified: hadoop/common/trunk/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/TestLeafQueue.java
URL: http://svn.apache.org/viewvc/hadoop/common/trunk/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/TestLeafQueue.java?rev=1490392&r1=1490391&r2=1490392&view=diff
==============================================================================
--- hadoop/common/trunk/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/TestLeafQueue.java (original)
+++ hadoop/common/trunk/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/TestLeafQueue.java Thu Jun 6 18:46:59 2013
@@ -43,6 +43,7 @@ import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.apache.hadoop.security.UserGroupInformation;
import org.apache.hadoop.yarn.api.records.ApplicationAttemptId;
+import org.apache.hadoop.yarn.api.records.ResourceBlacklistRequest;
import org.apache.hadoop.yarn.api.records.Container;
import org.apache.hadoop.yarn.api.records.ContainerId;
import org.apache.hadoop.yarn.api.records.ContainerStatus;
@@ -293,7 +294,7 @@ public class TestLeafQueue {
Priority priority = TestUtils.createMockPriority(1);
app_0.updateResourceRequests(Collections.singletonList(
TestUtils.createResourceRequest(ResourceRequest.ANY, 1*GB, 3, true,
- priority, recordFactory)));
+ priority, recordFactory)), null, null);
// Start testing...
@@ -415,11 +416,11 @@ public class TestLeafQueue {
Priority priority = TestUtils.createMockPriority(1);
app_0.updateResourceRequests(Collections.singletonList(
TestUtils.createResourceRequest(ResourceRequest.ANY, 1*GB, 3, true,
- priority, recordFactory)));
+ priority, recordFactory)), null, null);
app_1.updateResourceRequests(Collections.singletonList(
TestUtils.createResourceRequest(ResourceRequest.ANY, 1*GB, 2, true,
- priority, recordFactory)));
+ priority, recordFactory)), null, null);
// Start testing...
@@ -548,11 +549,11 @@ public class TestLeafQueue {
Priority priority = TestUtils.createMockPriority(1);
app_0.updateResourceRequests(Collections.singletonList(
TestUtils.createResourceRequest(ResourceRequest.ANY, 2*GB, 1, true,
- priority, recordFactory)));
+ priority, recordFactory)), null, null);
app_1.updateResourceRequests(Collections.singletonList(
TestUtils.createResourceRequest(ResourceRequest.ANY, 1*GB, 2, true,
- priority, recordFactory)));
+ priority, recordFactory)), null, null);
/**
* Start testing...
@@ -641,11 +642,11 @@ public class TestLeafQueue {
Priority priority = TestUtils.createMockPriority(1);
app_0.updateResourceRequests(Collections.singletonList(
TestUtils.createResourceRequest(ResourceRequest.ANY, 2*GB, 1, true,
- priority, recordFactory)));
+ priority, recordFactory)), null, null);
app_1.updateResourceRequests(Collections.singletonList(
TestUtils.createResourceRequest(ResourceRequest.ANY, 1*GB, 2, true,
- priority, recordFactory)));
+ priority, recordFactory)), null, null);
/**
* Start testing...
@@ -680,7 +681,7 @@ public class TestLeafQueue {
a.setMaxCapacity(.1f);
app_2.updateResourceRequests(Collections.singletonList(
TestUtils.createResourceRequest(ResourceRequest.ANY, 1*GB, 1, true,
- priority, recordFactory)));
+ priority, recordFactory)), null, null);
assertEquals(2, a.getActiveUsersManager().getNumActiveUsers());
// No more to user_0 since he is already over user-limit
@@ -697,7 +698,7 @@ public class TestLeafQueue {
LOG.info("here");
app_1.updateResourceRequests(Collections.singletonList( // unset
TestUtils.createResourceRequest(ResourceRequest.ANY, 1*GB, 0, true,
- priority, recordFactory)));
+ priority, recordFactory)), null, null);
assertEquals(1, a.getActiveUsersManager().getNumActiveUsers());
a.assignContainers(clusterResource, node_1);
assertEquals(1*GB, app_2.getHeadroom().getMemory()); // hit queue max-cap
@@ -758,11 +759,11 @@ public class TestLeafQueue {
Priority priority = TestUtils.createMockPriority(1);
app_0.updateResourceRequests(Collections.singletonList(
TestUtils.createResourceRequest(ResourceRequest.ANY, 1*GB, 10, true,
- priority, recordFactory)));
+ priority, recordFactory)), null, null);
app_1.updateResourceRequests(Collections.singletonList(
TestUtils.createResourceRequest(ResourceRequest.ANY, 1*GB, 10, true,
- priority, recordFactory)));
+ priority, recordFactory)), null, null);
/**
* Start testing...
@@ -792,11 +793,11 @@ public class TestLeafQueue {
app_2.updateResourceRequests(Collections.singletonList(
TestUtils.createResourceRequest(ResourceRequest.ANY, 3*GB, 1, true,
- priority, recordFactory)));
+ priority, recordFactory)), null, null);
app_3.updateResourceRequests(Collections.singletonList(
TestUtils.createResourceRequest(ResourceRequest.ANY, 1*GB, 2, true,
- priority, recordFactory)));
+ priority, recordFactory)), null, null);
// Now allocations should goto app_2 since
// user_0 is at limit inspite of high user-limit-factor
@@ -920,11 +921,11 @@ public class TestLeafQueue {
Priority priority = TestUtils.createMockPriority(1);
app_0.updateResourceRequests(Collections.singletonList(
TestUtils.createResourceRequest(ResourceRequest.ANY, 1*GB, 2, true,
- priority, recordFactory)));
+ priority, recordFactory)), null, null);
app_1.updateResourceRequests(Collections.singletonList(
TestUtils.createResourceRequest(ResourceRequest.ANY, 4*GB, 1, true,
- priority, recordFactory)));
+ priority, recordFactory)), null, null);
// Start testing...
@@ -1022,7 +1023,7 @@ public class TestLeafQueue {
Priority priority = TestUtils.createMockPriority(1);
app_0.updateResourceRequests(Collections.singletonList(
TestUtils.createResourceRequest(ResourceRequest.ANY, 2*GB, 1, true,
- priority, recordFactory)));
+ priority, recordFactory)), null, null);
// Setup app_1 to request a 4GB container on host_0 and
// another 4GB container anywhere.
@@ -1034,7 +1035,7 @@ public class TestLeafQueue {
true, priority, recordFactory));
appRequests_1.add(TestUtils.createResourceRequest(ResourceRequest.ANY, 4*GB, 2,
true, priority, recordFactory));
- app_1.updateResourceRequests(appRequests_1);
+ app_1.updateResourceRequests(appRequests_1, null, null);
// Start testing...
@@ -1128,11 +1129,11 @@ public class TestLeafQueue {
Priority priority = TestUtils.createMockPriority(1);
app_0.updateResourceRequests(Collections.singletonList(
TestUtils.createResourceRequest(ResourceRequest.ANY, 1*GB, 2, true,
- priority, recordFactory)));
+ priority, recordFactory)), null, null);
app_1.updateResourceRequests(Collections.singletonList(
TestUtils.createResourceRequest(ResourceRequest.ANY, 4*GB, 1, true,
- priority, recordFactory)));
+ priority, recordFactory)), null, null);
// Start testing...
@@ -1255,7 +1256,7 @@ public class TestLeafQueue {
app_0_requests_0.add(
TestUtils.createResourceRequest(ResourceRequest.ANY, 1*GB, 3, // one extra
true, priority, recordFactory));
- app_0.updateResourceRequests(app_0_requests_0);
+ app_0.updateResourceRequests(app_0_requests_0, null, null);
// Start testing...
CSAssignment assignment = null;
@@ -1320,7 +1321,7 @@ public class TestLeafQueue {
app_0_requests_0.add(
TestUtils.createResourceRequest(ResourceRequest.ANY, 1*GB, 2, // one extra
true, priority, recordFactory));
- app_0.updateResourceRequests(app_0_requests_0);
+ app_0.updateResourceRequests(app_0_requests_0, null, null);
assertEquals(2, app_0.getTotalRequiredResources(priority));
String host_3 = "127.0.0.4"; // on rack_1
@@ -1411,7 +1412,7 @@ public class TestLeafQueue {
TestUtils.createResourceRequest(ResourceRequest.ANY, 2*GB, 1,
true, priority_2, recordFactory));
- app_0.updateResourceRequests(app_0_requests_0);
+ app_0.updateResourceRequests(app_0_requests_0, null, null);
// Start testing...
@@ -1526,7 +1527,7 @@ public class TestLeafQueue {
app_0_requests_0.add(
TestUtils.createResourceRequest(rack_1, 1*GB, 1,
true, priority, recordFactory));
- app_0.updateResourceRequests(app_0_requests_0);
+ app_0.updateResourceRequests(app_0_requests_0, null, null);
// Start testing...
@@ -1535,7 +1536,7 @@ public class TestLeafQueue {
app_0_requests_0.add(
TestUtils.createResourceRequest(ResourceRequest.ANY, 1*GB, 1, // only one
true, priority, recordFactory));
- app_0.updateResourceRequests(app_0_requests_0);
+ app_0.updateResourceRequests(app_0_requests_0, null, null);
// NODE_LOCAL - node_0_1
a.assignContainers(clusterResource, node_0_0);
@@ -1558,7 +1559,7 @@ public class TestLeafQueue {
app_0_requests_0.add(
TestUtils.createResourceRequest(ResourceRequest.ANY, 1*GB, 1, // only one
true, priority, recordFactory));
- app_0.updateResourceRequests(app_0_requests_0);
+ app_0.updateResourceRequests(app_0_requests_0, null, null);
// No allocation on node_0_1 even though it's node/rack local since
// required(rack_1) == 0
@@ -1759,7 +1760,6 @@ public class TestLeafQueue {
// Setup some nodes and racks
String host_0_0 = "127.0.0.1";
String rack_0 = "rack_0";
- FiCaSchedulerNode node_0_0 = TestUtils.getMockNode(host_0_0, rack_0, 0, 8*GB);
String host_0_1 = "127.0.0.2";
FiCaSchedulerNode node_0_1 = TestUtils.getMockNode(host_0_1, rack_0, 0, 8*GB);
@@ -1789,6 +1789,7 @@ public class TestLeafQueue {
// host_0_1: 8G
// host_1_0: 8G
// host_1_1: 8G
+ // Blacklist: <host_0_0>
Priority priority = TestUtils.createMockPriority(1);
List<ResourceRequest> app_0_requests_0 = new ArrayList<ResourceRequest>();
app_0_requests_0.add(
@@ -1803,7 +1804,8 @@ public class TestLeafQueue {
app_0_requests_0.add(
TestUtils.createResourceRequest(ResourceRequest.ANY, 1*GB, 1, // only one
false, priority, recordFactory));
- app_0.updateResourceRequests(app_0_requests_0);
+ app_0.updateResourceRequests(app_0_requests_0,
+ Collections.singletonList(host_0_0), null);
app_0_requests_0.clear();
//
@@ -1830,6 +1832,7 @@ public class TestLeafQueue {
// host_0_1: 8G
// host_1_0: 8G
// host_1_1: 8G
+ // Blacklist: <host_0_0>
// node_1_1
// Shouldn't allocate since RR(rack_1) = relax: false
@@ -1838,11 +1841,39 @@ public class TestLeafQueue {
any(Priority.class), any(ResourceRequest.class), any(Container.class));
assertEquals(0, app_0.getSchedulingOpportunities(priority)); // should be 0
- // Allow rack-locality for rack_1
+ // Allow rack-locality for rack_1, but blacklist node_1_1
app_0_requests_0.add(
TestUtils.createResourceRequest(rack_1, 1*GB, 1,
true, priority, recordFactory));
- app_0.updateResourceRequests(app_0_requests_0);
+ app_0.updateResourceRequests(app_0_requests_0,
+ Collections.singletonList(host_1_1), null);
+ app_0_requests_0.clear();
+
+ // resourceName: <priority, memory, #containers, relaxLocality>
+ // host_0_0: < 1, 1GB, 1, true >
+ // host_0_1: < null >
+ // rack_0: < null >
+ // host_1_0: < 1, 1GB, 1, true >
+ // host_1_1: < null >
+ // rack_1: < 1, 1GB, 1, true >
+ // ANY: < 1, 1GB, 1, false >
+ // Availability:
+ // host_0_0: 8G
+ // host_0_1: 8G
+ // host_1_0: 8G
+ // host_1_1: 8G
+ // Blacklist: < host_0_0 , host_1_1 > <----
+
+ // node_1_1
+ // Shouldn't allocate since node_1_1 is blacklisted
+ a.assignContainers(clusterResource, node_1_1);
+ verify(app_0, never()).allocate(any(NodeType.class), eq(node_1_1),
+ any(Priority.class), any(ResourceRequest.class), any(Container.class));
+ assertEquals(0, app_0.getSchedulingOpportunities(priority)); // should be 0
+
+ // Now, remove node_1_1 from blacklist, but add rack_1 to blacklist
+ app_0.updateResourceRequests(app_0_requests_0,
+ Collections.singletonList(rack_1), Collections.singletonList(host_1_1));
app_0_requests_0.clear();
// resourceName: <priority, memory, #containers, relaxLocality>
@@ -1851,15 +1882,42 @@ public class TestLeafQueue {
// rack_0: < null >
// host_1_0: < 1, 1GB, 1, true >
// host_1_1: < null >
- // rack_1: < 1, 1GB, 1, true > <----
+ // rack_1: < 1, 1GB, 1, true >
// ANY: < 1, 1GB, 1, false >
// Availability:
// host_0_0: 8G
// host_0_1: 8G
// host_1_0: 8G
// host_1_1: 8G
+ // Blacklist: < host_0_0 , rack_1 > <----
// node_1_1
+ // Shouldn't allocate since rack_1 is blacklisted
+ a.assignContainers(clusterResource, node_1_1);
+ verify(app_0, never()).allocate(any(NodeType.class), eq(node_1_1),
+ any(Priority.class), any(ResourceRequest.class), any(Container.class));
+ assertEquals(0, app_0.getSchedulingOpportunities(priority)); // should be 0
+
+ // Now remove rack_1 from blacklist
+ app_0.updateResourceRequests(app_0_requests_0,
+ null, Collections.singletonList(rack_1));
+ app_0_requests_0.clear();
+
+ // resourceName: <priority, memory, #containers, relaxLocality>
+ // host_0_0: < 1, 1GB, 1, true >
+ // host_0_1: < null >
+ // rack_0: < null >
+ // host_1_0: < 1, 1GB, 1, true >
+ // host_1_1: < null >
+ // rack_1: < 1, 1GB, 1, true >
+ // ANY: < 1, 1GB, 1, false >
+ // Availability:
+ // host_0_0: 8G
+ // host_0_1: 8G
+ // host_1_0: 8G
+ // host_1_1: 8G
+ // Blacklist: < host_0_0 > <----
+
// Now, should allocate since RR(rack_1) = relax: true
a.assignContainers(clusterResource, node_1_1);
verify(app_0).allocate(eq(NodeType.RACK_LOCAL), eq(node_1_1),
@@ -1874,7 +1932,7 @@ public class TestLeafQueue {
app_0_requests_0.add(
TestUtils.createResourceRequest(ResourceRequest.ANY, 1*GB, 1, // only one
false, priority, recordFactory));
- app_0.updateResourceRequests(app_0_requests_0);
+ app_0.updateResourceRequests(app_0_requests_0, null, null);
app_0_requests_0.clear();
// resourceName: <priority, memory, #containers, relaxLocality>
Modified: hadoop/common/trunk/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/fair/TestFairScheduler.java
URL: http://svn.apache.org/viewvc/hadoop/common/trunk/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/fair/TestFairScheduler.java?rev=1490392&r1=1490391&r2=1490392&view=diff
==============================================================================
--- hadoop/common/trunk/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/fair/TestFairScheduler.java (original)
+++ hadoop/common/trunk/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/fair/TestFairScheduler.java Thu Jun 6 18:46:59 2013
@@ -206,7 +206,7 @@ public class TestFairScheduler {
ResourceRequest request = createResourceRequest(memory, vcores, ResourceRequest.ANY,
priority, numContainers, true);
ask.add(request);
- scheduler.allocate(id, ask, new ArrayList<ContainerId>());
+ scheduler.allocate(id, ask, new ArrayList<ContainerId>(), null, null);
return id;
}
@@ -221,7 +221,7 @@ public class TestFairScheduler {
ApplicationAttemptId attId) {
List<ResourceRequest> ask = new ArrayList<ResourceRequest>();
ask.add(request);
- scheduler.allocate(attId, ask, new ArrayList<ContainerId>());
+ scheduler.allocate(attId, ask, new ArrayList<ContainerId>(), null, null);
}
// TESTS
@@ -528,7 +528,7 @@ public class TestFairScheduler {
ResourceRequest request1 =
createResourceRequest(minReqSize * 2, ResourceRequest.ANY, 1, 1, true);
ask1.add(request1);
- scheduler.allocate(id11, ask1, new ArrayList<ContainerId>());
+ scheduler.allocate(id11, ask1, new ArrayList<ContainerId>(), null, null);
// Second ask, queue2 requests 1 large + (2 * minReqSize)
List<ResourceRequest> ask2 = new ArrayList<ResourceRequest>();
@@ -538,14 +538,14 @@ public class TestFairScheduler {
false);
ask2.add(request2);
ask2.add(request3);
- scheduler.allocate(id21, ask2, new ArrayList<ContainerId>());
+ scheduler.allocate(id21, ask2, new ArrayList<ContainerId>(), null, null);
// Third ask, queue2 requests 1 large
List<ResourceRequest> ask3 = new ArrayList<ResourceRequest>();
ResourceRequest request4 =
createResourceRequest(2 * minReqSize, ResourceRequest.ANY, 1, 1, true);
ask3.add(request4);
- scheduler.allocate(id22, ask3, new ArrayList<ContainerId>());
+ scheduler.allocate(id22, ask3, new ArrayList<ContainerId>(), null, null);
scheduler.update();
@@ -1369,7 +1369,7 @@ public class TestFairScheduler {
// Complete container
scheduler.allocate(attId, new ArrayList<ResourceRequest>(),
- Arrays.asList(containerId));
+ Arrays.asList(containerId), null, null);
assertEquals(1024, scheduler.getRootQueueMetrics().getAvailableMB());
// Schedule at opening
@@ -1444,7 +1444,7 @@ public class TestFairScheduler {
asks.add(createResourceRequest(1024, node3.getRackName(), 1, 1, true));
asks.add(createResourceRequest(1024, ResourceRequest.ANY, 1, 2, true));
- scheduler.allocate(appId, asks, new ArrayList<ContainerId>());
+ scheduler.allocate(appId, asks, new ArrayList<ContainerId>(), null, null);
// node 1 checks in
scheduler.update();
@@ -1799,7 +1799,7 @@ public class TestFairScheduler {
createResourceRequest(1024, node1.getHostName(), 1, 0, true),
createResourceRequest(1024, "rack1", 1, 0, true),
createResourceRequest(1024, ResourceRequest.ANY, 1, 1, true));
- scheduler.allocate(attId1, update, new ArrayList<ContainerId>());
+ scheduler.allocate(attId1, update, new ArrayList<ContainerId>(), null, null);
// then node2 should get the container
scheduler.handle(node2UpdateEvent);
@@ -1842,7 +1842,7 @@ public class TestFairScheduler {
anyRequest = createResourceRequest(1024, ResourceRequest.ANY,
1, 1, false);
scheduler.allocate(attId, Arrays.asList(rackRequest, anyRequest),
- new ArrayList<ContainerId>());
+ new ArrayList<ContainerId>(), null, null);
scheduler.handle(nodeUpdateEvent);
assertEquals(0, app.getReservedContainers().size());
Modified: hadoop/common/trunk/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/fifo/TestFifoScheduler.java
URL: http://svn.apache.org/viewvc/hadoop/common/trunk/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/fifo/TestFifoScheduler.java?rev=1490392&r1=1490391&r2=1490392&view=diff
==============================================================================
--- hadoop/common/trunk/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/fifo/TestFifoScheduler.java (original)
+++ hadoop/common/trunk/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/fifo/TestFifoScheduler.java Thu Jun 6 18:46:59 2013
@@ -186,7 +186,7 @@ public class TestFifoScheduler {
ask.add(nodeLocal);
ask.add(rackLocal);
ask.add(any);
- scheduler.allocate(appAttemptId, ask, new ArrayList<ContainerId>());
+ scheduler.allocate(appAttemptId, ask, new ArrayList<ContainerId>(), null, null);
NodeUpdateSchedulerEvent node0Update = new NodeUpdateSchedulerEvent(node0);
Modified: hadoop/common/trunk/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-tests/src/test/java/org/apache/hadoop/yarn/server/TestContainerManagerSecurity.java
URL: http://svn.apache.org/viewvc/hadoop/common/trunk/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-tests/src/test/java/org/apache/hadoop/yarn/server/TestContainerManagerSecurity.java?rev=1490392&r1=1490391&r2=1490392&view=diff
==============================================================================
--- hadoop/common/trunk/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-tests/src/test/java/org/apache/hadoop/yarn/server/TestContainerManagerSecurity.java (original)
+++ hadoop/common/trunk/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-tests/src/test/java/org/apache/hadoop/yarn/server/TestContainerManagerSecurity.java Thu Jun 6 18:46:59 2013
@@ -501,7 +501,7 @@ public class TestContainerManagerSecurit
AllocateRequest allocateRequest = AllocateRequest.newInstance(
BuilderUtils.newApplicationAttemptId(appID, 1), 0, 0F, ask,
- new ArrayList<ContainerId>());
+ new ArrayList<ContainerId>(), null);
List<Container> allocatedContainers = scheduler.allocate(allocateRequest)
.getAllocatedContainers();