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Posted to common-commits@hadoop.apache.org by ae...@apache.org on 2016/03/18 19:25:30 UTC
[30/46] hadoop git commit: CapacityScheduler: Improve preemption to
only kill containers that would satisfy the incoming request. (Wangda Tan)
http://git-wip-us.apache.org/repos/asf/hadoop/blob/7e8c9beb/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/preemption/PreemptableQueue.java
----------------------------------------------------------------------
diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/preemption/PreemptableQueue.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/preemption/PreemptableQueue.java
new file mode 100644
index 0000000..19148d7
--- /dev/null
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/preemption/PreemptableQueue.java
@@ -0,0 +1,102 @@
+/**
+ * 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
+ * <p/>
+ * http://www.apache.org/licenses/LICENSE-2.0
+ * <p/>
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.preemption;
+
+import org.apache.hadoop.yarn.api.records.ContainerId;
+import org.apache.hadoop.yarn.api.records.Resource;
+import org.apache.hadoop.yarn.server.resourcemanager.rmcontainer.RMContainer;
+import org.apache.hadoop.yarn.util.resource.Resources;
+
+import java.util.Collections;
+import java.util.HashMap;
+import java.util.Map;
+import java.util.concurrent.ConcurrentSkipListMap;
+
+public class PreemptableQueue {
+ // Partition -> killable resources and containers
+ private Map<String, Resource> totalKillableResources = new HashMap<>();
+ private Map<String, Map<ContainerId, RMContainer>> killableContainers =
+ new HashMap<>();
+ private PreemptableQueue parent;
+
+ public PreemptableQueue(PreemptableQueue parent) {
+ this.parent = parent;
+ }
+
+ public PreemptableQueue(Map<String, Resource> totalKillableResources,
+ Map<String, Map<ContainerId, RMContainer>> killableContainers) {
+ this.totalKillableResources = totalKillableResources;
+ this.killableContainers = killableContainers;
+ }
+
+ void addKillableContainer(KillableContainer container) {
+ String partition = container.getNodePartition();
+ if (!totalKillableResources.containsKey(partition)) {
+ totalKillableResources.put(partition, Resources.createResource(0));
+ killableContainers.put(partition,
+ new ConcurrentSkipListMap<ContainerId, RMContainer>());
+ }
+
+ RMContainer c = container.getRMContainer();
+ Resources.addTo(totalKillableResources.get(partition),
+ c.getAllocatedResource());
+ killableContainers.get(partition).put(c.getContainerId(), c);
+
+ if (null != parent) {
+ parent.addKillableContainer(container);
+ }
+ }
+
+ void removeKillableContainer(KillableContainer container) {
+ String partition = container.getNodePartition();
+ Map<ContainerId, RMContainer> partitionKillableContainers =
+ killableContainers.get(partition);
+ if (partitionKillableContainers != null) {
+ RMContainer rmContainer = partitionKillableContainers.remove(
+ container.getRMContainer().getContainerId());
+ if (null != rmContainer) {
+ Resources.subtractFrom(totalKillableResources.get(partition),
+ rmContainer.getAllocatedResource());
+ }
+ }
+
+ if (null != parent) {
+ parent.removeKillableContainer(container);
+ }
+ }
+
+ public Resource getKillableResource(String partition) {
+ Resource res = totalKillableResources.get(partition);
+ return res == null ? Resources.none() : res;
+ }
+
+ @SuppressWarnings("unchecked")
+ public Map<ContainerId, RMContainer> getKillableContainers(String partition) {
+ Map<ContainerId, RMContainer> map = killableContainers.get(partition);
+ return map == null ? Collections.EMPTY_MAP : map;
+ }
+
+ public Map<String, Map<ContainerId, RMContainer>> getKillableContainers() {
+ return killableContainers;
+ }
+
+ Map<String, Resource> getTotalKillableResources() {
+ return totalKillableResources;
+ }
+}
http://git-wip-us.apache.org/repos/asf/hadoop/blob/7e8c9beb/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/preemption/PreemptionManager.java
----------------------------------------------------------------------
diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/preemption/PreemptionManager.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/preemption/PreemptionManager.java
new file mode 100644
index 0000000..a9f02a5
--- /dev/null
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/preemption/PreemptionManager.java
@@ -0,0 +1,165 @@
+/**
+ * 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
+ * <p/>
+ * http://www.apache.org/licenses/LICENSE-2.0
+ * <p/>
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.preemption;
+
+import com.google.common.annotations.VisibleForTesting;
+import org.apache.hadoop.yarn.api.records.ContainerId;
+import org.apache.hadoop.yarn.api.records.Resource;
+import org.apache.hadoop.yarn.server.resourcemanager.rmcontainer.RMContainer;
+import org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.CSQueue;
+import org.apache.hadoop.yarn.util.resource.Resources;
+
+import java.util.Collections;
+import java.util.HashMap;
+import java.util.Iterator;
+import java.util.Map;
+import java.util.concurrent.locks.ReentrantReadWriteLock;
+
+public class PreemptionManager {
+ private ReentrantReadWriteLock.ReadLock readLock;
+ private ReentrantReadWriteLock.WriteLock writeLock;
+ private Map<String, PreemptableQueue> entities = new HashMap<>();
+
+ public PreemptionManager() {
+ ReentrantReadWriteLock lock = new ReentrantReadWriteLock();
+ readLock = lock.readLock();
+ writeLock = lock.writeLock();
+ }
+
+ public void refreshQueues(CSQueue parent, CSQueue current) {
+ try {
+ writeLock.lock();
+ PreemptableQueue parentEntity = null;
+ if (parent != null) {
+ parentEntity = entities.get(parent.getQueueName());
+ }
+
+ if (!entities.containsKey(current.getQueueName())) {
+ entities.put(current.getQueueName(),
+ new PreemptableQueue(parentEntity));
+ }
+
+ if (current.getChildQueues() != null) {
+ for (CSQueue child : current.getChildQueues()) {
+ refreshQueues(current, child);
+ }
+ }
+ }
+ finally {
+ writeLock.unlock();
+ }
+ }
+
+ public void addKillableContainer(KillableContainer container) {
+ try {
+ writeLock.lock();
+ PreemptableQueue entity = entities.get(container.getLeafQueueName());
+ if (null != entity) {
+ entity.addKillableContainer(container);
+ }
+ }
+ finally {
+ writeLock.unlock();
+ }
+ }
+
+ public void removeKillableContainer(KillableContainer container) {
+ try {
+ writeLock.lock();
+ PreemptableQueue entity = entities.get(container.getLeafQueueName());
+ if (null != entity) {
+ entity.removeKillableContainer(container);
+ }
+ }
+ finally {
+ writeLock.unlock();
+ }
+ }
+
+ public void moveKillableContainer(KillableContainer oldContainer,
+ KillableContainer newContainer) {
+ // TODO, will be called when partition of the node changed OR
+ // container moved to different queue
+ }
+
+ public void updateKillableContainerResource(KillableContainer container,
+ Resource oldResource, Resource newResource) {
+ // TODO, will be called when container's resource changed
+ }
+
+ @VisibleForTesting
+ public Map<ContainerId, RMContainer> getKillableContainersMap(
+ String queueName, String partition) {
+ try {
+ readLock.lock();
+ PreemptableQueue entity = entities.get(queueName);
+ if (entity != null) {
+ Map<ContainerId, RMContainer> containers =
+ entity.getKillableContainers().get(partition);
+ if (containers != null) {
+ return containers;
+ }
+ }
+ return Collections.emptyMap();
+ }
+ finally {
+ readLock.unlock();
+ }
+ }
+
+ public Iterator<RMContainer> getKillableContainers(String queueName,
+ String partition) {
+ return getKillableContainersMap(queueName, partition).values().iterator();
+ }
+
+ public Resource getKillableResource(String queueName, String partition) {
+ try {
+ readLock.lock();
+ PreemptableQueue entity = entities.get(queueName);
+ if (entity != null) {
+ Resource res = entity.getTotalKillableResources().get(partition);
+ if (res == null || res.equals(Resources.none())) {
+ return Resources.none();
+ }
+ return Resources.clone(res);
+ }
+ return Resources.none();
+ }
+ finally {
+ readLock.unlock();
+ }
+ }
+
+ public Map<String, PreemptableQueue> getShallowCopyOfPreemptableEntities() {
+ try {
+ readLock.lock();
+ Map<String, PreemptableQueue> map = new HashMap<>();
+ for (Map.Entry<String, PreemptableQueue> entry : entities.entrySet()) {
+ String key = entry.getKey();
+ PreemptableQueue entity = entry.getValue();
+ map.put(key, new PreemptableQueue(
+ new HashMap<>(entity.getTotalKillableResources()),
+ new HashMap<>(entity.getKillableContainers())));
+ }
+ return map;
+ } finally {
+ readLock.unlock();
+ }
+ }
+}
http://git-wip-us.apache.org/repos/asf/hadoop/blob/7e8c9beb/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/common/AssignmentInformation.java
----------------------------------------------------------------------
diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/common/AssignmentInformation.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/common/AssignmentInformation.java
index 5158255..aad3bc7 100644
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/common/AssignmentInformation.java
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/common/AssignmentInformation.java
@@ -120,9 +120,9 @@ public class AssignmentInformation {
}
private ContainerId getFirstContainerIdFromOperation(Operation op) {
- if (null != operationDetails.get(Operation.ALLOCATION)) {
+ if (null != operationDetails.get(op)) {
List<AssignmentDetails> assignDetails =
- operationDetails.get(Operation.ALLOCATION);
+ operationDetails.get(op);
if (!assignDetails.isEmpty()) {
return assignDetails.get(0).containerId;
}
@@ -131,7 +131,7 @@ public class AssignmentInformation {
}
public ContainerId getFirstAllocatedOrReservedContainerId() {
- ContainerId containerId = null;
+ ContainerId containerId;
containerId = getFirstContainerIdFromOperation(Operation.ALLOCATION);
if (null != containerId) {
return containerId;
http://git-wip-us.apache.org/repos/asf/hadoop/blob/7e8c9beb/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/common/fica/FiCaSchedulerApp.java
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diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/common/fica/FiCaSchedulerApp.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/common/fica/FiCaSchedulerApp.java
index 4d563cd..f474aad 100644
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/common/fica/FiCaSchedulerApp.java
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/common/fica/FiCaSchedulerApp.java
@@ -59,6 +59,7 @@ import org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.CSAMCont
import org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.CSAssignment;
import org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.CapacityHeadroomProvider;
import org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.CapacityScheduler;
+import org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.CapacitySchedulerContext;
import org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.LeafQueue;
import org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.QueueCapacities;
import org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.SchedulingMode;
@@ -94,6 +95,7 @@ public class FiCaSchedulerApp extends SchedulerApplicationAttempt {
* to hold the message if its app doesn't not get container from a node
*/
private String appSkipNodeDiagnostics;
+ private CapacitySchedulerContext capacitySchedulerContext;
public FiCaSchedulerApp(ApplicationAttemptId applicationAttemptId,
String user, Queue queue, ActiveUsersManager activeUsersManager,
@@ -138,28 +140,30 @@ public class FiCaSchedulerApp extends SchedulerApplicationAttempt {
}
containerAllocator = new ContainerAllocator(this, rc, rmContext);
+
+ if (scheduler instanceof CapacityScheduler) {
+ capacitySchedulerContext = (CapacitySchedulerContext) scheduler;
+ }
}
- synchronized public boolean containerCompleted(RMContainer rmContainer,
+ public synchronized boolean containerCompleted(RMContainer rmContainer,
ContainerStatus containerStatus, RMContainerEventType event,
String partition) {
+ ContainerId containerId = rmContainer.getContainerId();
// Remove from the list of containers
- if (null == liveContainers.remove(rmContainer.getContainerId())) {
+ if (null == liveContainers.remove(containerId)) {
return false;
}
-
+
// Remove from the list of newly allocated containers if found
newlyAllocatedContainers.remove(rmContainer);
- Container container = rmContainer.getContainer();
- ContainerId containerId = container.getId();
-
// Inform the container
rmContainer.handle(
new RMContainerFinishedEvent(containerId, containerStatus, event));
- containersToPreempt.remove(rmContainer.getContainerId());
+ containersToPreempt.remove(containerId);
RMAuditLogger.logSuccess(getUser(),
AuditConstants.RELEASE_CONTAINER, "SchedulerApp",
@@ -176,7 +180,7 @@ public class FiCaSchedulerApp extends SchedulerApplicationAttempt {
return true;
}
- synchronized public RMContainer allocate(NodeType type, FiCaSchedulerNode node,
+ public synchronized RMContainer allocate(NodeType type, FiCaSchedulerNode node,
Priority priority, ResourceRequest request,
Container container) {
@@ -200,7 +204,9 @@ public class FiCaSchedulerApp extends SchedulerApplicationAttempt {
// Add it to allContainers list.
newlyAllocatedContainers.add(rmContainer);
- liveContainers.put(container.getId(), rmContainer);
+
+ ContainerId containerId = container.getId();
+ liveContainers.put(containerId, rmContainer);
// Update consumption and track allocations
List<ResourceRequest> resourceRequestList = appSchedulingInfo.allocate(
@@ -213,17 +219,17 @@ public class FiCaSchedulerApp extends SchedulerApplicationAttempt {
// Inform the container
rmContainer.handle(
- new RMContainerEvent(container.getId(), RMContainerEventType.START));
+ new RMContainerEvent(containerId, RMContainerEventType.START));
if (LOG.isDebugEnabled()) {
LOG.debug("allocate: applicationAttemptId="
- + container.getId().getApplicationAttemptId()
- + " container=" + container.getId() + " host="
+ + containerId.getApplicationAttemptId()
+ + " container=" + containerId + " host="
+ container.getNodeId().getHost() + " type=" + type);
}
RMAuditLogger.logSuccess(getUser(),
AuditConstants.ALLOC_CONTAINER, "SchedulerApp",
- getApplicationId(), container.getId());
+ getApplicationId(), containerId);
return rmContainer;
}
http://git-wip-us.apache.org/repos/asf/hadoop/blob/7e8c9beb/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/common/fica/FiCaSchedulerNode.java
----------------------------------------------------------------------
diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/common/fica/FiCaSchedulerNode.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/common/fica/FiCaSchedulerNode.java
index fe6db47..1d0e78a 100644
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/common/fica/FiCaSchedulerNode.java
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/common/fica/FiCaSchedulerNode.java
@@ -18,22 +18,29 @@
package org.apache.hadoop.yarn.server.resourcemanager.scheduler.common.fica;
-
-import java.util.Set;
-
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.apache.hadoop.yarn.api.records.ApplicationAttemptId;
+import org.apache.hadoop.yarn.api.records.Container;
+import org.apache.hadoop.yarn.api.records.ContainerId;
import org.apache.hadoop.yarn.api.records.Priority;
+import org.apache.hadoop.yarn.api.records.Resource;
import org.apache.hadoop.yarn.nodelabels.CommonNodeLabelsManager;
import org.apache.hadoop.yarn.server.resourcemanager.rmcontainer.RMContainer;
import org.apache.hadoop.yarn.server.resourcemanager.rmnode.RMNode;
import org.apache.hadoop.yarn.server.resourcemanager.scheduler.SchedulerApplicationAttempt;
import org.apache.hadoop.yarn.server.resourcemanager.scheduler.SchedulerNode;
+import org.apache.hadoop.yarn.util.resource.Resources;
+
+import java.util.HashMap;
+import java.util.Map;
+import java.util.Set;
public class FiCaSchedulerNode extends SchedulerNode {
private static final Log LOG = LogFactory.getLog(FiCaSchedulerNode.class);
+ private Map<ContainerId, RMContainer> killableContainers = new HashMap<>();
+ private Resource totalKillableResources = Resource.newInstance(0, 0);
public FiCaSchedulerNode(RMNode node, boolean usePortForNodeName,
Set<String> nodeLabels) {
@@ -92,7 +99,6 @@ public class FiCaSchedulerNode extends SchedulerNode {
@Override
public synchronized void unreserveResource(
SchedulerApplicationAttempt application) {
-
// adding NP checks as this can now be called for preemption
if (getReservedContainer() != null
&& getReservedContainer().getContainer() != null
@@ -115,4 +121,55 @@ public class FiCaSchedulerNode extends SchedulerNode {
}
setReservedContainer(null);
}
+
+ // According to decisions from preemption policy, mark the container to killable
+ public synchronized void markContainerToKillable(ContainerId containerId) {
+ RMContainer c = launchedContainers.get(containerId);
+ if (c != null && !killableContainers.containsKey(containerId)) {
+ killableContainers.put(containerId, c);
+ Resources.addTo(totalKillableResources, c.getAllocatedResource());
+ }
+ }
+
+ // According to decisions from preemption policy, mark the container to
+ // non-killable
+ public synchronized void markContainerToNonKillable(ContainerId containerId) {
+ RMContainer c = launchedContainers.get(containerId);
+ if (c != null && killableContainers.containsKey(containerId)) {
+ killableContainers.remove(containerId);
+ Resources.subtractFrom(totalKillableResources, c.getAllocatedResource());
+ }
+ }
+
+ @Override
+ protected synchronized void updateResource(
+ Container container) {
+ super.updateResource(container);
+ if (killableContainers.containsKey(container.getId())) {
+ Resources.subtractFrom(totalKillableResources, container.getResource());
+ killableContainers.remove(container.getId());
+ }
+ }
+
+ @Override
+ protected synchronized void changeContainerResource(ContainerId containerId,
+ Resource deltaResource, boolean increase) {
+ super.changeContainerResource(containerId, deltaResource, increase);
+
+ if (killableContainers.containsKey(containerId)) {
+ if (increase) {
+ Resources.addTo(totalKillableResources, deltaResource);
+ } else {
+ Resources.subtractFrom(totalKillableResources, deltaResource);
+ }
+ }
+ }
+
+ public synchronized Resource getTotalKillableResources() {
+ return totalKillableResources;
+ }
+
+ public synchronized Map<ContainerId, RMContainer> getKillableContainers() {
+ return killableContainers;
+ }
}
http://git-wip-us.apache.org/repos/asf/hadoop/blob/7e8c9beb/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/event/SchedulerEventType.java
----------------------------------------------------------------------
diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/event/SchedulerEventType.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/event/SchedulerEventType.java
index 9cf09e9..35b7c14 100644
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/event/SchedulerEventType.java
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/event/SchedulerEventType.java
@@ -38,10 +38,15 @@ public enum SchedulerEventType {
// Source: ContainerAllocationExpirer
CONTAINER_EXPIRED,
- // Source: SchedulingEditPolicy
+ /* Source: SchedulingEditPolicy */
KILL_RESERVED_CONTAINER,
- MARK_CONTAINER_FOR_PREEMPTION, // Mark a container for preemption
- // in the near future
- KILL_PREEMPTED_CONTAINER // Kill a container previously marked for
- // preemption
+
+ // Mark a container for preemption
+ MARK_CONTAINER_FOR_PREEMPTION,
+
+ // Mark a for-preemption container killable
+ MARK_CONTAINER_FOR_KILLABLE,
+
+ // Cancel a killable container
+ MARK_CONTAINER_FOR_NONKILLABLE
}
http://git-wip-us.apache.org/repos/asf/hadoop/blob/7e8c9beb/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/TestRMDispatcher.java
----------------------------------------------------------------------
diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/TestRMDispatcher.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/TestRMDispatcher.java
index d9306dd..c944752 100644
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/TestRMDispatcher.java
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/TestRMDispatcher.java
@@ -59,7 +59,7 @@ public class TestRMDispatcher {
rmDispatcher.getEventHandler().handle(event1);
ContainerPreemptEvent event2 =
new ContainerPreemptEvent(appAttemptId, container,
- SchedulerEventType.KILL_PREEMPTED_CONTAINER);
+ SchedulerEventType.MARK_CONTAINER_FOR_KILLABLE);
rmDispatcher.getEventHandler().handle(event2);
ContainerPreemptEvent event3 =
new ContainerPreemptEvent(appAttemptId, container,
@@ -70,7 +70,7 @@ public class TestRMDispatcher {
verify(sched, times(3)).handle(any(SchedulerEvent.class));
verify(sched).killReservedContainer(container);
verify(sched).markContainerForPreemption(appAttemptId, container);
- verify(sched).killPreemptedContainer(container);
+ verify(sched).markContainerForKillable(container);
} catch (InterruptedException e) {
Assert.fail();
} finally {
http://git-wip-us.apache.org/repos/asf/hadoop/blob/7e8c9beb/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/TestRMRestart.java
----------------------------------------------------------------------
diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/TestRMRestart.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/TestRMRestart.java
index 028afb1..3057615 100644
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/TestRMRestart.java
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/TestRMRestart.java
@@ -2352,7 +2352,7 @@ public class TestRMRestart extends ParameterizedSchedulerTestBase {
FiCaSchedulerApp schedulerAppAttempt = cs.getSchedulerApplications()
.get(app0.getApplicationId()).getCurrentAppAttempt();
// kill app0-attempt
- cs.killPreemptedContainer(schedulerAppAttempt.getRMContainer(
+ cs.markContainerForKillable(schedulerAppAttempt.getRMContainer(
app0.getCurrentAppAttempt().getMasterContainer().getId()));
am0.waitForState(RMAppAttemptState.FAILED);
}
http://git-wip-us.apache.org/repos/asf/hadoop/blob/7e8c9beb/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/applicationsmanager/TestAMRestart.java
----------------------------------------------------------------------
diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/applicationsmanager/TestAMRestart.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/applicationsmanager/TestAMRestart.java
index 5035afe..16f3f60 100644
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/applicationsmanager/TestAMRestart.java
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/applicationsmanager/TestAMRestart.java
@@ -63,7 +63,6 @@ import org.apache.hadoop.yarn.server.resourcemanager.scheduler.event.SchedulerEv
import org.apache.hadoop.yarn.server.utils.BuilderUtils;
import org.apache.hadoop.yarn.util.ControlledClock;
import org.apache.hadoop.yarn.util.Records;
-import org.apache.hadoop.yarn.util.SystemClock;
import org.apache.hadoop.yarn.util.resource.Resources;
import org.junit.Assert;
import org.junit.Test;
@@ -566,7 +565,7 @@ public class TestAMRestart {
ContainerId amContainer =
ContainerId.newContainerId(am1.getApplicationAttemptId(), 1);
// Preempt the first attempt;
- scheduler.killPreemptedContainer(scheduler.getRMContainer(amContainer));
+ scheduler.markContainerForKillable(scheduler.getRMContainer(amContainer));
am1.waitForState(RMAppAttemptState.FAILED);
Assert.assertTrue(! attempt1.shouldCountTowardsMaxAttemptRetry());
@@ -582,7 +581,7 @@ public class TestAMRestart {
// Preempt the second attempt.
ContainerId amContainer2 =
ContainerId.newContainerId(am2.getApplicationAttemptId(), 1);
- scheduler.killPreemptedContainer(scheduler.getRMContainer(amContainer2));
+ scheduler.markContainerForKillable(scheduler.getRMContainer(amContainer2));
am2.waitForState(RMAppAttemptState.FAILED);
Assert.assertTrue(! attempt2.shouldCountTowardsMaxAttemptRetry());
@@ -677,7 +676,7 @@ public class TestAMRestart {
ContainerId.newContainerId(am1.getApplicationAttemptId(), 1);
// Forcibly preempt the am container;
- scheduler.killPreemptedContainer(scheduler.getRMContainer(amContainer));
+ scheduler.markContainerForKillable(scheduler.getRMContainer(amContainer));
am1.waitForState(RMAppAttemptState.FAILED);
Assert.assertTrue(! attempt1.shouldCountTowardsMaxAttemptRetry());
http://git-wip-us.apache.org/repos/asf/hadoop/blob/7e8c9beb/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/monitor/capacity/TestProportionalCapacityPreemptionPolicy.java
----------------------------------------------------------------------
diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/monitor/capacity/TestProportionalCapacityPreemptionPolicy.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/monitor/capacity/TestProportionalCapacityPreemptionPolicy.java
index 13f267d..e9129de 100644
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/monitor/capacity/TestProportionalCapacityPreemptionPolicy.java
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/monitor/capacity/TestProportionalCapacityPreemptionPolicy.java
@@ -23,7 +23,7 @@ import static org.apache.hadoop.yarn.server.resourcemanager.monitor.capacity.Pro
import static org.apache.hadoop.yarn.server.resourcemanager.monitor.capacity.ProportionalCapacityPreemptionPolicy.OBSERVE_ONLY;
import static org.apache.hadoop.yarn.server.resourcemanager.monitor.capacity.ProportionalCapacityPreemptionPolicy.TOTAL_PREEMPTION_PER_ROUND;
import static org.apache.hadoop.yarn.server.resourcemanager.monitor.capacity.ProportionalCapacityPreemptionPolicy.WAIT_TIME_BEFORE_KILL;
-import static org.apache.hadoop.yarn.server.resourcemanager.scheduler.event.SchedulerEventType.KILL_PREEMPTED_CONTAINER;
+import static org.apache.hadoop.yarn.server.resourcemanager.scheduler.event.SchedulerEventType.MARK_CONTAINER_FOR_KILLABLE;
import static org.apache.hadoop.yarn.server.resourcemanager.scheduler.event.SchedulerEventType.MARK_CONTAINER_FOR_PREEMPTION;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNotNull;
@@ -75,6 +75,7 @@ import org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.Capacity
import org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.LeafQueue;
import org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.ParentQueue;
import org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.QueueCapacities;
+import org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.preemption.PreemptionManager;
import org.apache.hadoop.yarn.server.resourcemanager.scheduler.common.fica.FiCaSchedulerApp;
import org.apache.hadoop.yarn.server.resourcemanager.scheduler.event.ContainerPreemptEvent;
import org.apache.hadoop.yarn.server.resourcemanager.scheduler.event.SchedulerEvent;
@@ -167,6 +168,7 @@ public class TestProportionalCapacityPreemptionPolicy {
when(mCS.getConfiguration()).thenReturn(schedConf);
rmContext = mock(RMContext.class);
when(mCS.getRMContext()).thenReturn(rmContext);
+ when(mCS.getPreemptionManager()).thenReturn(new PreemptionManager());
when(rmContext.getNodeLabelManager()).thenReturn(lm);
mDisp = mock(EventHandler.class);
Dispatcher disp = mock(Dispatcher.class);
@@ -289,7 +291,7 @@ public class TestProportionalCapacityPreemptionPolicy {
List<ContainerPreemptEvent> events = evtCaptor.getAllValues();
for (ContainerPreemptEvent e : events.subList(20, 20)) {
assertEquals(appC, e.getAppId());
- assertEquals(KILL_PREEMPTED_CONTAINER, e.getType());
+ assertEquals(MARK_CONTAINER_FOR_KILLABLE, e.getType());
}
}
http://git-wip-us.apache.org/repos/asf/hadoop/blob/7e8c9beb/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/monitor/capacity/TestProportionalCapacityPreemptionPolicyForNodePartitions.java
----------------------------------------------------------------------
diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/monitor/capacity/TestProportionalCapacityPreemptionPolicyForNodePartitions.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/monitor/capacity/TestProportionalCapacityPreemptionPolicyForNodePartitions.java
index 512f37c..21ea495 100644
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/monitor/capacity/TestProportionalCapacityPreemptionPolicyForNodePartitions.java
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/monitor/capacity/TestProportionalCapacityPreemptionPolicyForNodePartitions.java
@@ -67,6 +67,7 @@ import org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.Capacity
import org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.LeafQueue;
import org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.ParentQueue;
import org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.QueueCapacities;
+import org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.preemption.PreemptionManager;
import org.apache.hadoop.yarn.server.resourcemanager.scheduler.common.fica.FiCaSchedulerApp;
import org.apache.hadoop.yarn.server.resourcemanager.scheduler.event.SchedulerEvent;
import org.apache.hadoop.yarn.server.resourcemanager.scheduler.policy.OrderingPolicy;
@@ -123,6 +124,7 @@ public class TestProportionalCapacityPreemptionPolicyForNodePartitions {
mClock = mock(Clock.class);
cs = mock(CapacityScheduler.class);
when(cs.getResourceCalculator()).thenReturn(rc);
+ when(cs.getPreemptionManager()).thenReturn(new PreemptionManager());
nlm = mock(RMNodeLabelsManager.class);
mDisp = mock(EventHandler.class);
http://git-wip-us.apache.org/repos/asf/hadoop/blob/7e8c9beb/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/TestApplicationLimits.java
----------------------------------------------------------------------
diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/TestApplicationLimits.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/TestApplicationLimits.java
index 0b32676..171196f 100644
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/TestApplicationLimits.java
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/TestApplicationLimits.java
@@ -52,6 +52,7 @@ import org.apache.hadoop.yarn.server.resourcemanager.rmapp.RMApp;
import org.apache.hadoop.yarn.server.resourcemanager.rmapp.attempt.RMAppAttempt;
import org.apache.hadoop.yarn.server.resourcemanager.scheduler.ActiveUsersManager;
import org.apache.hadoop.yarn.server.resourcemanager.scheduler.ResourceLimits;
+import org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.preemption.PreemptionManager;
import org.apache.hadoop.yarn.server.resourcemanager.scheduler.common.fica.FiCaSchedulerApp;
import org.apache.hadoop.yarn.server.resourcemanager.scheduler.common.fica.FiCaSchedulerNode;
import org.apache.hadoop.yarn.server.resourcemanager.security.RMContainerTokenSecretManager;
@@ -264,6 +265,7 @@ public class TestApplicationLimits {
thenReturn(CapacityScheduler.nonPartitionedQueueComparator);
when(csContext.getResourceCalculator()).thenReturn(resourceCalculator);
when(csContext.getRMContext()).thenReturn(rmContext);
+ when(csContext.getPreemptionManager()).thenReturn(new PreemptionManager());
// Say cluster has 100 nodes of 16G each
Resource clusterResource =
http://git-wip-us.apache.org/repos/asf/hadoop/blob/7e8c9beb/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/TestApplicationPriority.java
----------------------------------------------------------------------
diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/TestApplicationPriority.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/TestApplicationPriority.java
index 1569a12..d8161f8 100644
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/TestApplicationPriority.java
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/TestApplicationPriority.java
@@ -205,7 +205,7 @@ public class TestApplicationPriority {
if (++counter > 2) {
break;
}
- cs.killPreemptedContainer(schedulerAppAttempt.getRMContainer(c.getId()));
+ cs.markContainerForKillable(schedulerAppAttempt.getRMContainer(c.getId()));
}
// check node report, 12 GB used and 4 GB available
@@ -512,7 +512,7 @@ public class TestApplicationPriority {
if (++counter > 2) {
break;
}
- cs.killPreemptedContainer(schedulerAppAttemptApp1.getRMContainer(c.getId()));
+ cs.markContainerForKillable(schedulerAppAttemptApp1.getRMContainer(c.getId()));
iterator.remove();
}
@@ -542,7 +542,7 @@ public class TestApplicationPriority {
if (++counter > 1) {
break;
}
- cs.killPreemptedContainer(schedulerAppAttemptApp1.getRMContainer(c.getId()));
+ cs.markContainerForKillable(schedulerAppAttemptApp1.getRMContainer(c.getId()));
iterator.remove();
}
http://git-wip-us.apache.org/repos/asf/hadoop/blob/7e8c9beb/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/TestCapacityScheduler.java
----------------------------------------------------------------------
diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/TestCapacityScheduler.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/TestCapacityScheduler.java
index b6c005b..16ba607 100644
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/TestCapacityScheduler.java
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/TestCapacityScheduler.java
@@ -1188,7 +1188,7 @@ public class TestCapacityScheduler {
// kill the 3 containers
for (Container c : allocatedContainers) {
- cs.killPreemptedContainer(schedulerAppAttempt.getRMContainer(c.getId()));
+ cs.markContainerForKillable(schedulerAppAttempt.getRMContainer(c.getId()));
}
// check values
@@ -1197,7 +1197,7 @@ public class TestCapacityScheduler {
Resource.newInstance(CONTAINER_MEMORY * 3, 3), false, 3);
// kill app0-attempt0 AM container
- cs.killPreemptedContainer(schedulerAppAttempt.getRMContainer(app0
+ cs.markContainerForKillable(schedulerAppAttempt.getRMContainer(app0
.getCurrentAppAttempt().getMasterContainer().getId()));
// wait for app0 failed
@@ -1220,7 +1220,7 @@ public class TestCapacityScheduler {
allocatedContainers =
am1.allocateAndWaitForContainers(3, CONTAINER_MEMORY, nm1);
for (Container c : allocatedContainers) {
- cs.killPreemptedContainer(schedulerAppAttempt.getRMContainer(c.getId()));
+ cs.markContainerForKillable(schedulerAppAttempt.getRMContainer(c.getId()));
}
// check values
@@ -1269,7 +1269,7 @@ public class TestCapacityScheduler {
}
// Call killContainer to preempt the container
- cs.killPreemptedContainer(rmContainer);
+ cs.markContainerForKillable(rmContainer);
Assert.assertEquals(3, requests.size());
for (ResourceRequest request : requests) {
http://git-wip-us.apache.org/repos/asf/hadoop/blob/7e8c9beb/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/TestCapacitySchedulerPreemption.java
----------------------------------------------------------------------
diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/TestCapacitySchedulerPreemption.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/TestCapacitySchedulerPreemption.java
new file mode 100644
index 0000000..bea7797
--- /dev/null
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/TestCapacitySchedulerPreemption.java
@@ -0,0 +1,677 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity;
+
+import com.google.common.collect.Sets;
+import org.apache.commons.logging.Log;
+import org.apache.commons.logging.LogFactory;
+import org.apache.hadoop.conf.Configuration;
+import org.apache.hadoop.service.Service;
+import org.apache.hadoop.yarn.api.records.ContainerId;
+import org.apache.hadoop.yarn.api.records.Priority;
+import org.apache.hadoop.yarn.api.records.ResourceRequest;
+import org.apache.hadoop.yarn.conf.YarnConfiguration;
+import org.apache.hadoop.yarn.server.resourcemanager.MockAM;
+import org.apache.hadoop.yarn.server.resourcemanager.MockNM;
+import org.apache.hadoop.yarn.server.resourcemanager.MockRM;
+import org.apache.hadoop.yarn.server.resourcemanager.ResourceManager.RMActiveServices;
+import org.apache.hadoop.yarn.server.resourcemanager.monitor.SchedulingEditPolicy;
+import org.apache.hadoop.yarn.server.resourcemanager.monitor.SchedulingMonitor;
+import org.apache.hadoop.yarn.server.resourcemanager.monitor.capacity.ProportionalCapacityPreemptionPolicy;
+import org.apache.hadoop.yarn.server.resourcemanager.nodelabels.NullRMNodeLabelsManager;
+import org.apache.hadoop.yarn.server.resourcemanager.nodelabels.RMNodeLabelsManager;
+import org.apache.hadoop.yarn.server.resourcemanager.rmapp.RMApp;
+import org.apache.hadoop.yarn.server.resourcemanager.rmcontainer.RMContainer;
+import org.apache.hadoop.yarn.server.resourcemanager.rmnode.RMNode;
+import org.apache.hadoop.yarn.server.resourcemanager.scheduler.ResourceScheduler;
+import org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.preemption.PreemptionManager;
+import org.apache.hadoop.yarn.server.resourcemanager.scheduler.common.fica.FiCaSchedulerApp;
+import org.apache.hadoop.yarn.server.resourcemanager.scheduler.event.NodeUpdateSchedulerEvent;
+import org.apache.hadoop.yarn.util.Clock;
+import org.apache.hadoop.yarn.util.resource.Resources;
+import org.junit.Assert;
+import org.junit.Before;
+import org.junit.Test;
+
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.HashSet;
+import java.util.Map;
+import java.util.Set;
+
+import static org.mockito.Mockito.mock;
+import static org.mockito.Mockito.when;
+
+public class TestCapacitySchedulerPreemption {
+ private static final Log LOG = LogFactory.getLog(
+ TestCapacitySchedulerPreemption.class);
+
+ private final int GB = 1024;
+
+ private Configuration conf;
+
+ RMNodeLabelsManager mgr;
+
+ Clock clock;
+
+ @Before
+ public void setUp() throws Exception {
+ conf = new YarnConfiguration();
+ conf.setClass(YarnConfiguration.RM_SCHEDULER, CapacityScheduler.class,
+ ResourceScheduler.class);
+ conf.setBoolean(YarnConfiguration.RM_SCHEDULER_ENABLE_MONITORS, true);
+ conf.setClass(YarnConfiguration.RM_SCHEDULER_MONITOR_POLICIES,
+ ProportionalCapacityPreemptionPolicy.class, SchedulingEditPolicy.class);
+ conf = TestUtils.getConfigurationWithMultipleQueues(this.conf);
+
+ // Set preemption related configurations
+ conf.setInt(ProportionalCapacityPreemptionPolicy.WAIT_TIME_BEFORE_KILL,
+ 0);
+ conf.setBoolean(CapacitySchedulerConfiguration.LAZY_PREEMPTION_ENALBED,
+ true);
+ conf.setFloat(
+ ProportionalCapacityPreemptionPolicy.TOTAL_PREEMPTION_PER_ROUND, 1.0f);
+ conf.setFloat(
+ ProportionalCapacityPreemptionPolicy.NATURAL_TERMINATION_FACTOR, 1.0f);
+ mgr = new NullRMNodeLabelsManager();
+ mgr.init(this.conf);
+ clock = mock(Clock.class);
+ when(clock.getTime()).thenReturn(0L);
+ }
+
+ private SchedulingEditPolicy getSchedulingEditPolicy(MockRM rm) {
+ RMActiveServices activeServices = rm.getRMActiveService();
+ SchedulingMonitor mon = null;
+ for (Service service : activeServices.getServices()) {
+ if (service instanceof SchedulingMonitor) {
+ mon = (SchedulingMonitor) service;
+ break;
+ }
+ }
+
+ if (mon != null) {
+ return mon.getSchedulingEditPolicy();
+ }
+ return null;
+ }
+
+ @Test (timeout = 60000)
+ public void testSimplePreemption() throws Exception {
+ /**
+ * Test case: Submit two application (app1/app2) to different queues, queue
+ * structure:
+ *
+ * <pre>
+ * Root
+ * / | \
+ * a b c
+ * 10 20 70
+ * </pre>
+ *
+ * 1) Two nodes in the cluster, each of them has 4G.
+ *
+ * 2) app1 submit to queue-a first, it asked 7 * 1G containers, so there's no
+ * more resource available.
+ *
+ * 3) app2 submit to queue-c, ask for one 1G container (for AM)
+ *
+ * Now the cluster is fulfilled.
+ *
+ * 4) app2 asks for another 1G container, system will preempt one container
+ * from app1, and app2 will receive the preempted container
+ */
+ MockRM rm1 = new MockRM(conf);
+ rm1.getRMContext().setNodeLabelManager(mgr);
+ rm1.start();
+
+ MockNM nm1 = rm1.registerNode("h1:1234", 4 * GB);
+ MockNM nm2 = rm1.registerNode("h2:1234", 4 * GB);
+ CapacityScheduler cs = (CapacityScheduler) rm1.getResourceScheduler();
+ RMNode rmNode1 = rm1.getRMContext().getRMNodes().get(nm1.getNodeId());
+ RMNode rmNode2 = rm1.getRMContext().getRMNodes().get(nm2.getNodeId());
+
+ // launch an app to queue, AM container should be launched in nm1
+ RMApp app1 = rm1.submitApp(1 * GB, "app", "user", null, "a");
+ MockAM am1 = MockRM.launchAndRegisterAM(app1, rm1, nm1);
+
+ am1.allocate("*", 1 * GB, 7, new ArrayList<ContainerId>());
+
+ // Do allocation 3 times for node1/node2
+ for (int i = 0; i < 3; i++) {
+ cs.handle(new NodeUpdateSchedulerEvent(rmNode1));
+ cs.handle(new NodeUpdateSchedulerEvent(rmNode2));
+ }
+
+ // App1 should have 7 containers now, and no available resource for cluster
+ FiCaSchedulerApp schedulerApp1 = cs.getApplicationAttempt(
+ am1.getApplicationAttemptId());
+ Assert.assertEquals(7, schedulerApp1.getLiveContainers().size());
+
+ // Submit app2 to queue-c and asks for a 1G container for AM
+ RMApp app2 = rm1.submitApp(1 * GB, "app", "user", null, "c");
+ MockAM am2 = MockRM.launchAndRegisterAM(app2, rm1, nm2);
+
+ // NM1/NM2 has available resource = 0G
+ Assert.assertEquals(0 * GB, cs.getNode(nm1.getNodeId())
+ .getUnallocatedResource().getMemory());
+ Assert.assertEquals(0 * GB, cs.getNode(nm2.getNodeId())
+ .getUnallocatedResource().getMemory());
+
+ // AM asks for a 1 * GB container
+ am2.allocate(Arrays.asList(ResourceRequest
+ .newInstance(Priority.newInstance(1), ResourceRequest.ANY,
+ Resources.createResource(1 * GB), 1)), null);
+
+ // Get edit policy and do one update
+ SchedulingEditPolicy editPolicy = getSchedulingEditPolicy(rm1);
+
+ // Call edit schedule twice, and check if one container from app1 marked
+ // to be "killable"
+ editPolicy.editSchedule();
+ editPolicy.editSchedule();
+
+ PreemptionManager pm = cs.getPreemptionManager();
+ Map<ContainerId, RMContainer> killableContainers =
+ waitKillableContainersSize(pm, "a", RMNodeLabelsManager.NO_LABEL, 1);
+ Assert.assertEquals(1, killableContainers.size());
+ Assert.assertEquals(killableContainers.entrySet().iterator().next().getKey()
+ .getApplicationAttemptId(), am1.getApplicationAttemptId());
+
+ // Call CS.handle once to see if container preempted
+ cs.handle(new NodeUpdateSchedulerEvent(rmNode2));
+
+ FiCaSchedulerApp schedulerApp2 = cs.getApplicationAttempt(
+ am2.getApplicationAttemptId());
+
+ // App1 has 6 containers, and app2 has 2 containers
+ Assert.assertEquals(6, schedulerApp1.getLiveContainers().size());
+ Assert.assertEquals(2, schedulerApp2.getLiveContainers().size());
+
+ rm1.close();
+ }
+
+ @Test (timeout = 60000)
+ public void testPreemptionConsidersNodeLocalityDelay()
+ throws Exception {
+ /**
+ * Test case: same as testSimplePreemption steps 1-3.
+ *
+ * Step 4: app2 asks for 1G container with locality specified, so it needs
+ * to wait for missed-opportunity before get scheduled.
+ * Check if system waits missed-opportunity before finish killable container
+ */
+ MockRM rm1 = new MockRM(conf);
+ rm1.getRMContext().setNodeLabelManager(mgr);
+ rm1.start();
+ MockNM nm1 = rm1.registerNode("h1:1234", 4 * GB);
+ MockNM nm2 = rm1.registerNode("h2:1234", 4 * GB);
+ CapacityScheduler cs = (CapacityScheduler) rm1.getResourceScheduler();
+ RMNode rmNode1 = rm1.getRMContext().getRMNodes().get(nm1.getNodeId());
+ RMNode rmNode2 = rm1.getRMContext().getRMNodes().get(nm2.getNodeId());
+
+ // launch an app to queue, AM container should be launched in nm1
+ RMApp app1 = rm1.submitApp(1 * GB, "app", "user", null, "a");
+ MockAM am1 = MockRM.launchAndRegisterAM(app1, rm1, nm1);
+
+ am1.allocate("*", 1 * GB, 6, new ArrayList<ContainerId>());
+
+ // Do allocation 3 times for node1/node2
+ for (int i = 0; i < 3; i++) {
+ cs.handle(new NodeUpdateSchedulerEvent(rmNode1));
+ cs.handle(new NodeUpdateSchedulerEvent(rmNode2));
+ }
+
+ // App1 should have 7 containers now, and no available resource for cluster
+ FiCaSchedulerApp schedulerApp1 = cs.getApplicationAttempt(
+ am1.getApplicationAttemptId());
+ Assert.assertEquals(7, schedulerApp1.getLiveContainers().size());
+
+ // Submit app2 to queue-c and asks for a 1G container for AM
+ RMApp app2 = rm1.submitApp(1 * GB, "app", "user", null, "c");
+ MockAM am2 = MockRM.launchAndRegisterAM(app2, rm1, nm2);
+
+ // NM1/NM2 has available resource = 0G
+ Assert.assertEquals(0 * GB, cs.getNode(nm1.getNodeId())
+ .getUnallocatedResource().getMemory());
+ Assert.assertEquals(0 * GB, cs.getNode(nm2.getNodeId())
+ .getUnallocatedResource().getMemory());
+
+ // AM asks for a 1 * GB container with unknown host and unknown rack
+ am2.allocate(Arrays.asList(ResourceRequest
+ .newInstance(Priority.newInstance(1), ResourceRequest.ANY,
+ Resources.createResource(1 * GB), 1), ResourceRequest
+ .newInstance(Priority.newInstance(1), "unknownhost",
+ Resources.createResource(1 * GB), 1), ResourceRequest
+ .newInstance(Priority.newInstance(1), "/default-rack",
+ Resources.createResource(1 * GB), 1)), null);
+
+ // Get edit policy and do one update
+ SchedulingEditPolicy editPolicy = getSchedulingEditPolicy(rm1);
+
+ // Call edit schedule twice, and check if one container from app1 marked
+ // to be "killable"
+ editPolicy.editSchedule();
+ editPolicy.editSchedule();
+
+ PreemptionManager pm = cs.getPreemptionManager();
+ Map<ContainerId, RMContainer> killableContainers =
+ waitKillableContainersSize(pm, "a", RMNodeLabelsManager.NO_LABEL, 1);
+ Assert.assertEquals(killableContainers.entrySet().iterator().next().getKey()
+ .getApplicationAttemptId(), am1.getApplicationAttemptId());
+
+ // Call CS.handle once to see if container preempted
+ cs.handle(new NodeUpdateSchedulerEvent(rmNode2));
+
+ FiCaSchedulerApp schedulerApp2 = cs.getApplicationAttempt(
+ am2.getApplicationAttemptId());
+
+ // App1 has 7 containers, and app2 has 1 containers (no container preempted)
+ Assert.assertEquals(7, schedulerApp1.getLiveContainers().size());
+ Assert.assertEquals(1, schedulerApp2.getLiveContainers().size());
+
+ // Do allocation again, one container will be preempted
+ cs.handle(new NodeUpdateSchedulerEvent(rmNode2));
+
+ // App1 has 6 containers, and app2 has 2 containers (new container allocated)
+ Assert.assertEquals(6, schedulerApp1.getLiveContainers().size());
+ Assert.assertEquals(2, schedulerApp2.getLiveContainers().size());
+
+ rm1.close();
+ }
+
+ @Test (timeout = 60000)
+ public void testPreemptionConsidersHardNodeLocality()
+ throws Exception {
+ /**
+ * Test case: same as testSimplePreemption steps 1-3.
+ *
+ * Step 4: app2 asks for 1G container with hard locality specified, and
+ * asked host is not existed
+ * Confirm system doesn't preempt any container.
+ */
+ MockRM rm1 = new MockRM(conf);
+ rm1.getRMContext().setNodeLabelManager(mgr);
+ rm1.start();
+ MockNM nm1 = rm1.registerNode("h1:1234", 4 * GB);
+ MockNM nm2 = rm1.registerNode("h2:1234", 4 * GB);
+ CapacityScheduler cs = (CapacityScheduler) rm1.getResourceScheduler();
+ RMNode rmNode1 = rm1.getRMContext().getRMNodes().get(nm1.getNodeId());
+ RMNode rmNode2 = rm1.getRMContext().getRMNodes().get(nm2.getNodeId());
+
+ // launch an app to queue, AM container should be launched in nm1
+ RMApp app1 = rm1.submitApp(1 * GB, "app", "user", null, "a");
+ MockAM am1 = MockRM.launchAndRegisterAM(app1, rm1, nm1);
+
+ am1.allocate("*", 1 * GB, 6, new ArrayList<ContainerId>());
+
+ // Do allocation 3 times for node1/node2
+ for (int i = 0; i < 3; i++) {
+ cs.handle(new NodeUpdateSchedulerEvent(rmNode1));
+ }
+ for (int i = 0; i < 3; i++) {
+ cs.handle(new NodeUpdateSchedulerEvent(rmNode2));
+ }
+
+ // App1 should have 7 containers now, and no available resource for cluster
+ FiCaSchedulerApp schedulerApp1 = cs.getApplicationAttempt(
+ am1.getApplicationAttemptId());
+ Assert.assertEquals(7, schedulerApp1.getLiveContainers().size());
+
+ // Submit app2 to queue-c and asks for a 1G container for AM
+ RMApp app2 = rm1.submitApp(1 * GB, "app", "user", null, "c");
+ MockAM am2 = MockRM.launchAndRegisterAM(app2, rm1, nm2);
+
+ // NM1/NM2 has available resource = 0G
+ Assert.assertEquals(0 * GB, cs.getNode(nm1.getNodeId())
+ .getUnallocatedResource().getMemory());
+ Assert.assertEquals(0 * GB, cs.getNode(nm2.getNodeId())
+ .getUnallocatedResource().getMemory());
+
+ // AM asks for a 1 * GB container for h3 with hard locality,
+ // h3 doesn't exist in the cluster
+ am2.allocate(Arrays.asList(ResourceRequest
+ .newInstance(Priority.newInstance(1), ResourceRequest.ANY,
+ Resources.createResource(1 * GB), 1, true), ResourceRequest
+ .newInstance(Priority.newInstance(1), "h3",
+ Resources.createResource(1 * GB), 1, false), ResourceRequest
+ .newInstance(Priority.newInstance(1), "/default-rack",
+ Resources.createResource(1 * GB), 1, false)), null);
+
+ // Get edit policy and do one update
+ SchedulingEditPolicy editPolicy = getSchedulingEditPolicy(rm1);
+
+ // Call edit schedule twice, and check if one container from app1 marked
+ // to be "killable"
+ editPolicy.editSchedule();
+ editPolicy.editSchedule();
+
+ PreemptionManager pm = cs.getPreemptionManager();
+ Map<ContainerId, RMContainer> killableContainers =
+ waitKillableContainersSize(pm, "a", RMNodeLabelsManager.NO_LABEL, 1);
+ Assert.assertEquals(killableContainers.entrySet().iterator().next().getKey()
+ .getApplicationAttemptId(), am1.getApplicationAttemptId());
+
+ // Call CS.handle once to see if container preempted
+ cs.handle(new NodeUpdateSchedulerEvent(rmNode2));
+
+ FiCaSchedulerApp schedulerApp2 = cs.getApplicationAttempt(
+ am2.getApplicationAttemptId());
+
+ // App1 has 7 containers, and app2 has 1 containers (no container preempted)
+ Assert.assertEquals(7, schedulerApp1.getLiveContainers().size());
+ Assert.assertEquals(1, schedulerApp2.getLiveContainers().size());
+
+ // Do allocation again, nothing will be preempted
+ cs.handle(new NodeUpdateSchedulerEvent(rmNode2));
+
+ // App1 has 7 containers, and app2 has 1 containers (no container allocated)
+ Assert.assertEquals(7, schedulerApp1.getLiveContainers().size());
+ Assert.assertEquals(1, schedulerApp2.getLiveContainers().size());
+
+ rm1.close();
+ }
+
+ @Test (timeout = 60000)
+ public void testPreemptionPolicyShouldRespectAlreadyMarkedKillableContainers()
+ throws Exception {
+ /**
+ * Test case:
+ * <pre>
+ * Root
+ * / | \
+ * a b c
+ * 10 20 70
+ * </pre>
+ * Submit applications to two queues, one uses more than the other, so
+ * preemption will happen.
+ *
+ * Check:
+ * 1) Killable containers resources will be excluded from PCPP (no duplicated
+ * container added to killable list)
+ * 2) When more resources need to be preempted, new containers will be selected
+ * and killable containers will be considered
+ */
+ MockRM rm1 = new MockRM(conf);
+ rm1.getRMContext().setNodeLabelManager(mgr);
+ rm1.start();
+ MockNM nm1 = rm1.registerNode("h1:1234", 8 * GB);
+ CapacityScheduler cs = (CapacityScheduler) rm1.getResourceScheduler();
+ RMNode rmNode1 = rm1.getRMContext().getRMNodes().get(nm1.getNodeId());
+
+ // launch an app to queue, AM container should be launched in nm1
+ RMApp app1 = rm1.submitApp(1 * GB, "app", "user", null, "a");
+ MockAM am1 = MockRM.launchAndRegisterAM(app1, rm1, nm1);
+
+ am1.allocate("*", 1 * GB, 6, new ArrayList<ContainerId>());
+
+ // Do allocation 6 times for node1
+ for (int i = 0; i < 6; i++) {
+ cs.handle(new NodeUpdateSchedulerEvent(rmNode1));
+ }
+
+ // App1 should have 7 containers now, and no available resource for cluster
+ FiCaSchedulerApp schedulerApp1 = cs.getApplicationAttempt(
+ am1.getApplicationAttemptId());
+ Assert.assertEquals(7, schedulerApp1.getLiveContainers().size());
+
+ // Submit app2 to queue-c and asks for a 1G container for AM
+ RMApp app2 = rm1.submitApp(1 * GB, "app", "user", null, "c");
+ MockAM am2 = MockRM.launchAndRegisterAM(app2, rm1, nm1);
+
+ // NM1 has available resource = 0G
+ Assert.assertEquals(0 * GB, cs.getNode(nm1.getNodeId())
+ .getUnallocatedResource().getMemory());
+ am2.allocate("*", 1 * GB, 1, new ArrayList<ContainerId>());
+
+ // Get edit policy and do one update
+ ProportionalCapacityPreemptionPolicy editPolicy =
+ (ProportionalCapacityPreemptionPolicy) getSchedulingEditPolicy(rm1);
+
+ // Call edit schedule twice, and check if one container from app1 marked
+ // to be "killable"
+ editPolicy.editSchedule();
+ editPolicy.editSchedule();
+
+ PreemptionManager pm = cs.getPreemptionManager();
+ waitKillableContainersSize(pm, "a", RMNodeLabelsManager.NO_LABEL, 1);
+
+ // Check killable containers and to-be-preempted containers in edit policy
+ Assert.assertEquals(0, editPolicy.getToPreemptContainers().size());
+
+ // Run edit schedule again, confirm status doesn't changed
+ editPolicy.editSchedule();
+ Assert.assertEquals(0, editPolicy.getToPreemptContainers().size());
+
+ // Save current to kill containers
+ Set<ContainerId> previousKillableContainers = new HashSet<>(
+ pm.getKillableContainersMap("a", RMNodeLabelsManager.NO_LABEL)
+ .keySet());
+
+ // Update request resource of c from 1 to 2, so we need to preempt
+ // one more container
+ am2.allocate("*", 1 * GB, 2, new ArrayList<ContainerId>());
+
+ // Call editPolicy.editSchedule() once, we should have 1 container in to-preempt map
+ // and 1 container in killable map
+ editPolicy.editSchedule();
+ Assert.assertEquals(1, editPolicy.getToPreemptContainers().size());
+
+ // Call editPolicy.editSchedule() once more, we should have 2 containers killable map
+ editPolicy.editSchedule();
+ Assert.assertEquals(0, editPolicy.getToPreemptContainers().size());
+
+ // Check if previous killable containers included by new killable containers
+ Map<ContainerId, RMContainer> killableContainers =
+ waitKillableContainersSize(pm, "a", RMNodeLabelsManager.NO_LABEL, 2);
+ Assert.assertTrue(
+ Sets.difference(previousKillableContainers, killableContainers.keySet())
+ .isEmpty());
+ }
+
+ @Test (timeout = 60000)
+ public void testPreemptionPolicyCleanupKillableContainersWhenNoPreemptionNeeded()
+ throws Exception {
+ /**
+ * Test case:
+ * <pre>
+ * Root
+ * / | \
+ * a b c
+ * 10 20 70
+ * </pre>
+ * Submit applications to two queues, one uses more than the other, so
+ * preemption will happen.
+ *
+ * Check:
+ * 1) Containers will be marked to killable
+ * 2) Cancel resource request
+ * 3) Killable containers will be cancelled from policy and scheduler
+ */
+ MockRM rm1 = new MockRM(conf);
+ rm1.getRMContext().setNodeLabelManager(mgr);
+ rm1.start();
+ MockNM nm1 = rm1.registerNode("h1:1234", 8 * GB);
+ CapacityScheduler cs = (CapacityScheduler) rm1.getResourceScheduler();
+ RMNode rmNode1 = rm1.getRMContext().getRMNodes().get(nm1.getNodeId());
+
+ // launch an app to queue, AM container should be launched in nm1
+ RMApp app1 = rm1.submitApp(1 * GB, "app", "user", null, "a");
+ MockAM am1 = MockRM.launchAndRegisterAM(app1, rm1, nm1);
+
+ am1.allocate("*", 1 * GB, 6, new ArrayList<ContainerId>());
+
+ // Do allocation 6 times for node1
+ for (int i = 0; i < 6; i++) {
+ cs.handle(new NodeUpdateSchedulerEvent(rmNode1));
+ }
+
+ // App1 should have 7 containers now, and no available resource for cluster
+ FiCaSchedulerApp schedulerApp1 = cs.getApplicationAttempt(
+ am1.getApplicationAttemptId());
+ Assert.assertEquals(7, schedulerApp1.getLiveContainers().size());
+
+ // Submit app2 to queue-c and asks for a 1G container for AM
+ RMApp app2 = rm1.submitApp(1 * GB, "app", "user", null, "c");
+ MockAM am2 = MockRM.launchAndRegisterAM(app2, rm1, nm1);
+
+ // NM1 has available resource = 0G
+ Assert.assertEquals(0 * GB, cs.getNode(nm1.getNodeId())
+ .getUnallocatedResource().getMemory());
+ am2.allocate("*", 3 * GB, 1, new ArrayList<ContainerId>());
+
+ // Get edit policy and do one update
+ ProportionalCapacityPreemptionPolicy editPolicy =
+ (ProportionalCapacityPreemptionPolicy) getSchedulingEditPolicy(rm1);
+
+ // Call edit schedule twice, and check if 3 container from app1 marked
+ // to be "killable"
+ editPolicy.editSchedule();
+ editPolicy.editSchedule();
+
+ PreemptionManager pm = cs.getPreemptionManager();
+ waitKillableContainersSize(pm, "a", RMNodeLabelsManager.NO_LABEL, 3);
+
+ // Change reqeust from 3G to 2G, now we can preempt one less container. (3->2)
+ am2.allocate("*", 2 * GB, 1, new ArrayList<ContainerId>());
+ editPolicy.editSchedule();
+ Assert.assertEquals(0, editPolicy.getToPreemptContainers().size());
+ waitKillableContainersSize(pm, "a", RMNodeLabelsManager.NO_LABEL, 2);
+
+ // Call editSchedule once more to make sure still nothing happens
+ editPolicy.editSchedule();
+ Assert.assertEquals(0, editPolicy.getToPreemptContainers().size());
+ waitKillableContainersSize(pm, "a", RMNodeLabelsManager.NO_LABEL, 2);
+ }
+
+ @Test (timeout = 60000)
+ public void testPreemptionConsidersUserLimit()
+ throws Exception {
+ /**
+ * Test case: Submit two application (app1/app2) to different queues, queue
+ * structure:
+ *
+ * <pre>
+ * Root
+ * / | \
+ * a b c
+ * 10 20 70
+ * </pre>
+ *
+ * Queue-c's user-limit-factor = 0.1, so single user cannot allocate >1 containers in queue-c
+ *
+ * 1) Two nodes in the cluster, each of them has 4G.
+ *
+ * 2) app1 submit to queue-a first, it asked 7 * 1G containers, so there's no
+ * more resource available.
+ *
+ * 3) app2 submit to queue-c, ask for one 1G container (for AM)
+ *
+ * Now the cluster is fulfilled.
+ *
+ * 4) app2 asks for another 1G container, system will preempt one container
+ * from app1, and app2 will receive the preempted container
+ */
+ CapacitySchedulerConfiguration csConf = new CapacitySchedulerConfiguration(conf);
+ csConf.setUserLimitFactor(CapacitySchedulerConfiguration.ROOT + ".c", 0.1f);
+ MockRM rm1 = new MockRM(csConf);
+ rm1.getRMContext().setNodeLabelManager(mgr);
+ rm1.start();
+ MockNM nm1 = rm1.registerNode("h1:1234", 4 * GB);
+ MockNM nm2 = rm1.registerNode("h2:1234", 4 * GB);
+ CapacityScheduler cs = (CapacityScheduler) rm1.getResourceScheduler();
+ RMNode rmNode1 = rm1.getRMContext().getRMNodes().get(nm1.getNodeId());
+ RMNode rmNode2 = rm1.getRMContext().getRMNodes().get(nm2.getNodeId());
+
+ // launch an app to queue, AM container should be launched in nm1
+ RMApp app1 = rm1.submitApp(1 * GB, "app", "user", null, "a");
+ MockAM am1 = MockRM.launchAndRegisterAM(app1, rm1, nm1);
+
+ am1.allocate("*", 1 * GB, 6, new ArrayList<ContainerId>());
+
+ // Do allocation 3 times for node1/node2
+ for (int i = 0; i < 3; i++) {
+ cs.handle(new NodeUpdateSchedulerEvent(rmNode1));
+ cs.handle(new NodeUpdateSchedulerEvent(rmNode2));
+ }
+
+ // App1 should have 7 containers now, and no available resource for cluster
+ FiCaSchedulerApp schedulerApp1 = cs.getApplicationAttempt(
+ am1.getApplicationAttemptId());
+ Assert.assertEquals(7, schedulerApp1.getLiveContainers().size());
+
+ // Submit app2 to queue-c and asks for a 1G container for AM
+ RMApp app2 = rm1.submitApp(1 * GB, "app", "user", null, "c");
+ MockAM am2 = MockRM.launchAndRegisterAM(app2, rm1, nm2);
+
+ // NM1/NM2 has available resource = 0G
+ Assert.assertEquals(0 * GB, cs.getNode(nm1.getNodeId())
+ .getUnallocatedResource().getMemory());
+ Assert.assertEquals(0 * GB, cs.getNode(nm2.getNodeId())
+ .getUnallocatedResource().getMemory());
+
+ // AM asks for a 1 * GB container
+ am2.allocate(Arrays.asList(ResourceRequest
+ .newInstance(Priority.newInstance(1), ResourceRequest.ANY,
+ Resources.createResource(1 * GB), 1)), null);
+
+ // Get edit policy and do one update
+ SchedulingEditPolicy editPolicy = getSchedulingEditPolicy(rm1);
+
+ // Call edit schedule twice, and check if no container from app1 marked
+ // to be "killable"
+ editPolicy.editSchedule();
+ editPolicy.editSchedule();
+
+ // No preemption happens
+ PreemptionManager pm = cs.getPreemptionManager();
+ Map<ContainerId, RMContainer> killableContainers =
+ waitKillableContainersSize(pm, "a", RMNodeLabelsManager.NO_LABEL, 0);
+ Assert.assertEquals(0, killableContainers.size());
+
+ // Call CS.handle once to see if container preempted
+ cs.handle(new NodeUpdateSchedulerEvent(rmNode2));
+
+ FiCaSchedulerApp schedulerApp2 = cs.getApplicationAttempt(
+ am2.getApplicationAttemptId());
+
+ // App1 has 7 containers, and app2 has 1 containers (nothing preempted)
+ Assert.assertEquals(7, schedulerApp1.getLiveContainers().size());
+ Assert.assertEquals(1, schedulerApp2.getLiveContainers().size());
+
+ rm1.close();
+ }
+
+ private Map<ContainerId, RMContainer> waitKillableContainersSize(
+ PreemptionManager pm, String queueName, String partition,
+ int expectedSize) throws InterruptedException {
+ Map<ContainerId, RMContainer> killableContainers =
+ pm.getKillableContainersMap(queueName, partition);
+
+ int wait = 0;
+ // Wait for at most 5 sec (it should be super fast actually)
+ while (expectedSize != killableContainers.size() && wait < 500) {
+ killableContainers = pm.getKillableContainersMap(queueName, partition);
+ Thread.sleep(10);
+ wait++;
+ }
+
+ Assert.assertEquals(expectedSize, killableContainers.size());
+ return killableContainers;
+ }
+}
\ No newline at end of file
http://git-wip-us.apache.org/repos/asf/hadoop/blob/7e8c9beb/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/TestChildQueueOrder.java
----------------------------------------------------------------------
diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/TestChildQueueOrder.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/TestChildQueueOrder.java
index 5169337..1612201 100644
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/TestChildQueueOrder.java
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/TestChildQueueOrder.java
@@ -51,6 +51,7 @@ import org.apache.hadoop.yarn.server.resourcemanager.rmcontainer.RMContainerEven
import org.apache.hadoop.yarn.server.resourcemanager.rmcontainer.RMContainerImpl;
import org.apache.hadoop.yarn.server.resourcemanager.scheduler.NodeType;
import org.apache.hadoop.yarn.server.resourcemanager.scheduler.ResourceLimits;
+import org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.preemption.PreemptionManager;
import org.apache.hadoop.yarn.server.resourcemanager.scheduler.common.fica.FiCaSchedulerApp;
import org.apache.hadoop.yarn.server.resourcemanager.scheduler.common.fica.FiCaSchedulerNode;
import org.apache.hadoop.yarn.server.utils.BuilderUtils;
@@ -99,6 +100,7 @@ public class TestChildQueueOrder {
when(csContext.getResourceCalculator()).
thenReturn(resourceComparator);
when(csContext.getRMContext()).thenReturn(rmContext);
+ when(csContext.getPreemptionManager()).thenReturn(new PreemptionManager());
}
private FiCaSchedulerApp getMockApplication(int appId, String user) {
http://git-wip-us.apache.org/repos/asf/hadoop/blob/7e8c9beb/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
----------------------------------------------------------------------
diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/TestLeafQueue.java b/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
index 69b0813..87a3d51 100644
--- a/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
+++ b/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
@@ -71,6 +71,7 @@ import org.apache.hadoop.yarn.server.resourcemanager.scheduler.ActiveUsersManage
import org.apache.hadoop.yarn.server.resourcemanager.scheduler.NodeType;
import org.apache.hadoop.yarn.server.resourcemanager.scheduler.QueueMetrics;
import org.apache.hadoop.yarn.server.resourcemanager.scheduler.ResourceLimits;
+import org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.preemption.PreemptionManager;
import org.apache.hadoop.yarn.server.resourcemanager.scheduler.common.fica.FiCaSchedulerApp;
import org.apache.hadoop.yarn.server.resourcemanager.scheduler.common.fica.FiCaSchedulerNode;
import org.apache.hadoop.yarn.server.resourcemanager.scheduler.event.AppAddedSchedulerEvent;
@@ -150,6 +151,7 @@ public class TestLeafQueue {
thenReturn(CapacityScheduler.nonPartitionedQueueComparator);
when(csContext.getResourceCalculator()).
thenReturn(resourceCalculator);
+ when(csContext.getPreemptionManager()).thenReturn(new PreemptionManager());
when(csContext.getRMContext()).thenReturn(rmContext);
RMContainerTokenSecretManager containerTokenSecretManager =
new RMContainerTokenSecretManager(conf);
@@ -3092,6 +3094,7 @@ public class TestLeafQueue {
Resources.createResource(GB, 1));
when(csContext.getMaximumResourceCapability()).thenReturn(
Resources.createResource(2 * GB, 2));
+ when(csContext.getPreemptionManager()).thenReturn(new PreemptionManager());
return csContext;
}
http://git-wip-us.apache.org/repos/asf/hadoop/blob/7e8c9beb/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/TestNodeLabelContainerAllocation.java
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diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/TestNodeLabelContainerAllocation.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/TestNodeLabelContainerAllocation.java
index bbf6e43..1ee201d 100644
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/TestNodeLabelContainerAllocation.java
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/TestNodeLabelContainerAllocation.java
@@ -39,6 +39,7 @@ import org.apache.hadoop.yarn.server.resourcemanager.MockRM;
import org.apache.hadoop.yarn.server.resourcemanager.ResourceManager;
import org.apache.hadoop.yarn.server.resourcemanager.nodelabels.NullRMNodeLabelsManager;
import org.apache.hadoop.yarn.server.resourcemanager.nodelabels.RMNodeLabelsManager;
+import org.apache.hadoop.yarn.server.resourcemanager.recovery.MemoryRMStateStore;
import org.apache.hadoop.yarn.server.resourcemanager.rmapp.RMApp;
import org.apache.hadoop.yarn.server.resourcemanager.rmapp.attempt.RMAppAttemptState;
import org.apache.hadoop.yarn.server.resourcemanager.rmcontainer.RMContainer;
@@ -1676,4 +1677,100 @@ public class TestNodeLabelContainerAllocation {
checkNumOfContainersInAnAppOnGivenNode(2, nm1.getNodeId(),
cs.getApplicationAttempt(am1.getApplicationAttemptId()));
}
+
+ @Test
+ public void testParentQueueMaxCapsAreRespected() throws Exception {
+ /*
+ * Queue tree:
+ * Root
+ * / \
+ * A B
+ * / \
+ * A1 A2
+ *
+ * A has 50% capacity and 50% max capacity (of label=x)
+ * A1/A2 has 50% capacity and 100% max capacity (of label=x)
+ * Cluster has one node (label=x) with resource = 24G.
+ * So we can at most use 12G resources under queueA.
+ */
+ CapacitySchedulerConfiguration csConf =
+ new CapacitySchedulerConfiguration(this.conf);
+
+ // Define top-level queues
+ csConf.setQueues(CapacitySchedulerConfiguration.ROOT, new String[] { "a",
+ "b"});
+ csConf.setCapacityByLabel(CapacitySchedulerConfiguration.ROOT, "x", 100);
+
+ final String A = CapacitySchedulerConfiguration.ROOT + ".a";
+ csConf.setCapacity(A, 10);
+ csConf.setAccessibleNodeLabels(A, toSet("x"));
+ csConf.setCapacityByLabel(A, "x", 50);
+ csConf.setMaximumCapacityByLabel(A, "x", 50);
+
+ final String B = CapacitySchedulerConfiguration.ROOT + ".b";
+ csConf.setCapacity(B, 90);
+ csConf.setAccessibleNodeLabels(B, toSet("x"));
+ csConf.setCapacityByLabel(B, "x", 50);
+ csConf.setMaximumCapacityByLabel(B, "x", 50);
+
+ // Define 2nd-level queues
+ csConf.setQueues(A, new String[] { "a1",
+ "a2"});
+
+ final String A1 = A + ".a1";
+ csConf.setCapacity(A1, 50);
+ csConf.setAccessibleNodeLabels(A1, toSet("x"));
+ csConf.setCapacityByLabel(A1, "x", 50);
+ csConf.setMaximumCapacityByLabel(A1, "x", 100);
+ csConf.setUserLimitFactor(A1, 100.0f);
+
+ final String A2 = A + ".a2";
+ csConf.setCapacity(A2, 50);
+ csConf.setAccessibleNodeLabels(A2, toSet("x"));
+ csConf.setCapacityByLabel(A2, "x", 50);
+ csConf.setMaximumCapacityByLabel(A2, "x", 100);
+ csConf.setUserLimitFactor(A2, 100.0f);
+
+ // set node -> label
+ mgr.addToCluserNodeLabels(ImmutableSet.of(
+ NodeLabel.newInstance("x", false)));
+ mgr.addLabelsToNode(ImmutableMap.of(NodeId.newInstance("h1", 0), toSet("x")));
+
+ // inject node label manager
+ MockRM rm = new MockRM(csConf) {
+ @Override
+ public RMNodeLabelsManager createNodeLabelManager() {
+ return mgr;
+ }
+ };
+
+ rm.getRMContext().setNodeLabelManager(mgr);
+ rm.start();
+
+ CapacityScheduler cs = (CapacityScheduler) rm.getResourceScheduler();
+
+ MockNM nm1 =
+ new MockNM("h1:1234", 24 * GB, rm.getResourceTrackerService());
+ nm1.registerNode();
+
+ // Launch app1 in a1, resource usage is 1GB (am) + 4GB * 2 = 9GB
+ RMApp app1 = rm.submitApp(1 * GB, "app", "user", null, "a1", "x");
+ MockAM am1 = MockRM.launchAndRegisterAM(app1, rm, nm1);
+ am1.allocate("*", 4 * GB, 2, new ArrayList<ContainerId>(), "x");
+ doNMHeartbeat(rm, nm1.getNodeId(), 10);
+ checkNumOfContainersInAnAppOnGivenNode(3, nm1.getNodeId(),
+ cs.getApplicationAttempt(am1.getApplicationAttemptId()));
+
+ // Try to launch app2 in a2, asked 2GB, should success
+ RMApp app2 = rm.submitApp(2 * GB, "app", "user", null, "a2", "x");
+ MockAM am2 = MockRM.launchAndRegisterAM(app2, rm, nm1);
+
+ // am2 asks more resources, cannot success because current used = 9G (app1)
+ // + 2G (app2) = 11G, and queue's max capacity = 12G
+ am2.allocate("*", 2 * GB, 2, new ArrayList<ContainerId>(), "x");
+
+ doNMHeartbeat(rm, nm1.getNodeId(), 10);
+ checkNumOfContainersInAnAppOnGivenNode(1, nm1.getNodeId(),
+ cs.getApplicationAttempt(am2.getApplicationAttemptId()));
+ }
}
http://git-wip-us.apache.org/repos/asf/hadoop/blob/7e8c9beb/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/TestParentQueue.java
----------------------------------------------------------------------
diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/TestParentQueue.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/TestParentQueue.java
index f73baa4..23dc860 100644
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/TestParentQueue.java
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/TestParentQueue.java
@@ -47,6 +47,7 @@ import org.apache.hadoop.yarn.server.resourcemanager.RMContext;
import org.apache.hadoop.yarn.server.resourcemanager.nodelabels.RMNodeLabelsManager;
import org.apache.hadoop.yarn.server.resourcemanager.scheduler.NodeType;
import org.apache.hadoop.yarn.server.resourcemanager.scheduler.ResourceLimits;
+import org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.preemption.PreemptionManager;
import org.apache.hadoop.yarn.server.resourcemanager.scheduler.common.fica.FiCaSchedulerApp;
import org.apache.hadoop.yarn.server.resourcemanager.scheduler.common.fica.FiCaSchedulerNode;
import org.apache.hadoop.yarn.util.resource.DefaultResourceCalculator;
@@ -92,6 +93,7 @@ public class TestParentQueue {
thenReturn(Resources.createResource(100 * 16 * GB, 100 * 32));
when(csContext.getNonPartitionedQueueComparator()).
thenReturn(CapacityScheduler.nonPartitionedQueueComparator);
+ when(csContext.getPreemptionManager()).thenReturn(new PreemptionManager());
when(csContext.getResourceCalculator()).
thenReturn(resourceComparator);
when(csContext.getRMContext()).thenReturn(rmContext);
http://git-wip-us.apache.org/repos/asf/hadoop/blob/7e8c9beb/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/TestReservations.java
----------------------------------------------------------------------
diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/TestReservations.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/TestReservations.java
index 2ef5e39..56facee 100644
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/TestReservations.java
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/TestReservations.java
@@ -55,6 +55,7 @@ import org.apache.hadoop.yarn.server.resourcemanager.rmcontainer.RMContainerImpl
import org.apache.hadoop.yarn.server.resourcemanager.scheduler.ActiveUsersManager;
import org.apache.hadoop.yarn.server.resourcemanager.scheduler.ResourceLimits;
import org.apache.hadoop.yarn.server.resourcemanager.scheduler.SchedulerApplicationAttempt.AMState;
+import org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.preemption.PreemptionManager;
import org.apache.hadoop.yarn.server.resourcemanager.scheduler.common.fica.FiCaSchedulerApp;
import org.apache.hadoop.yarn.server.resourcemanager.scheduler.common.fica.FiCaSchedulerNode;
import org.apache.hadoop.yarn.server.resourcemanager.security.RMContainerTokenSecretManager;
@@ -126,6 +127,7 @@ public class TestReservations {
when(csContext.getNonPartitionedQueueComparator()).thenReturn(
CapacityScheduler.nonPartitionedQueueComparator);
when(csContext.getResourceCalculator()).thenReturn(resourceCalculator);
+ when(csContext.getPreemptionManager()).thenReturn(new PreemptionManager());
when(csContext.getRMContext()).thenReturn(rmContext);
RMContainerTokenSecretManager containerTokenSecretManager = new RMContainerTokenSecretManager(
conf);