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AbstractCSQueue.java
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AbstractCSQueue.java
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/**
* 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 org.apache.hadoop.classification.InterfaceAudience.Private;
import org.apache.hadoop.ipc.Server;
import org.apache.hadoop.security.AccessControlException;
import org.apache.hadoop.security.UserGroupInformation;
import org.apache.hadoop.security.authorize.AccessControlList;
import org.apache.hadoop.classification.VisibleForTesting;
import org.apache.hadoop.util.Sets;
import org.apache.hadoop.util.Time;
import org.apache.hadoop.yarn.api.records.ApplicationId;
import org.apache.hadoop.yarn.api.records.Priority;
import org.apache.hadoop.yarn.api.records.QueueACL;
import org.apache.hadoop.yarn.api.records.QueueConfigurations;
import org.apache.hadoop.yarn.api.records.QueueInfo;
import org.apache.hadoop.yarn.api.records.QueueState;
import org.apache.hadoop.yarn.api.records.QueueStatistics;
import org.apache.hadoop.yarn.api.records.Resource;
import org.apache.hadoop.yarn.api.records.ResourceInformation;
import org.apache.hadoop.yarn.exceptions.YarnException;
import org.apache.hadoop.yarn.factories.RecordFactory;
import org.apache.hadoop.yarn.factory.providers.RecordFactoryProvider;
import org.apache.hadoop.yarn.security.AccessRequest;
import org.apache.hadoop.yarn.security.AccessType;
import org.apache.hadoop.yarn.security.PrivilegedEntity;
import org.apache.hadoop.yarn.security.PrivilegedEntity.EntityType;
import org.apache.hadoop.yarn.security.YarnAuthorizationProvider;
import org.apache.hadoop.yarn.server.resourcemanager.nodelabels.RMNodeLabelsManager;
import org.apache.hadoop.yarn.server.resourcemanager.rmcontainer.RMContainer;
import org.apache.hadoop.yarn.server.resourcemanager.scheduler.QueueResourceQuotas;
import org.apache.hadoop.yarn.server.resourcemanager.scheduler.ResourceLimits;
import org.apache.hadoop.yarn.server.resourcemanager.scheduler.ResourceUsage;
import org.apache.hadoop.yarn.server.resourcemanager.scheduler.SchedulerApplicationAttempt;
import org.apache.hadoop.yarn.server.resourcemanager.scheduler.SchedulerUtils;
import org.apache.hadoop.yarn.server.resourcemanager.scheduler.activities.ActivitiesManager;
import org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.CapacitySchedulerConfiguration.AbsoluteResourceType;
import org.apache.hadoop.yarn.server.resourcemanager.scheduler.common.ContainerAllocationProposal;
import org.apache.hadoop.yarn.server.resourcemanager.scheduler.common.ResourceCommitRequest;
import org.apache.hadoop.yarn.server.resourcemanager.scheduler.common.SchedulerContainer;
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.placement.SimpleCandidateNodeSet;
import org.apache.hadoop.yarn.util.resource.ResourceCalculator;
import org.apache.hadoop.yarn.util.resource.ResourceUtils;
import org.apache.hadoop.yarn.util.resource.Resources;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import java.io.IOException;
import java.util.HashMap;
import java.util.HashSet;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import java.util.Optional;
import java.util.Set;
import java.util.concurrent.locks.ReentrantReadWriteLock;
import static org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.CapacitySchedulerConfiguration.DOT;
public abstract class AbstractCSQueue implements CSQueue {
private static final Logger LOG =
LoggerFactory.getLogger(AbstractCSQueue.class);
protected final QueueAllocationSettings queueAllocationSettings;
volatile CSQueue parent;
protected final QueuePath queuePath;
final String queueName;
protected QueueNodeLabelsSettings queueNodeLabelsSettings;
private volatile QueueAppLifetimeAndLimitSettings queueAppLifetimeSettings;
private CSQueuePreemptionSettings preemptionSettings;
private volatile QueueState state = null;
protected final PrivilegedEntity queueEntity;
final ResourceCalculator resourceCalculator;
Set<String> resourceTypes;
final RMNodeLabelsManager labelManager;
private String multiNodeSortingPolicyName = null;
Map<AccessType, AccessControlList> acls =
new HashMap<AccessType, AccessControlList>();
volatile boolean reservationsContinueLooking;
// Track capacities like
// used-capacity/abs-used-capacity/capacity/abs-capacity,
// etc.
QueueCapacities queueCapacities;
CSQueueUsageTracker usageTracker;
public enum CapacityConfigType {
// FIXME, from what I can see, Percentage mode can almost apply to weighted
// and percentage mode at the same time, there's only small area need to be
// changed, we need to rename "PERCENTAGE" to "PERCENTAGE" and "WEIGHT"
NONE, PERCENTAGE, ABSOLUTE_RESOURCE
};
protected CapacityConfigType capacityConfigType =
CapacityConfigType.NONE;
protected Map<String, QueueCapacityVector> configuredCapacityVectors;
private final RecordFactory recordFactory =
RecordFactoryProvider.getRecordFactory(null);
protected CapacitySchedulerContext csContext;
protected YarnAuthorizationProvider authorizer = null;
protected ActivitiesManager activitiesManager;
protected ReentrantReadWriteLock.ReadLock readLock;
protected ReentrantReadWriteLock.WriteLock writeLock;
volatile Priority priority = Priority.newInstance(0);
private UserWeights userWeights = UserWeights.createEmpty();
// is it a dynamic queue?
private boolean dynamicQueue = false;
public AbstractCSQueue(CapacitySchedulerContext cs,
String queueName, CSQueue parent, CSQueue old) throws IOException {
this(cs, cs.getConfiguration(), queueName, parent, old);
}
public AbstractCSQueue(CapacitySchedulerContext cs,
CapacitySchedulerConfiguration configuration, String queueName,
CSQueue parent, CSQueue old) {
this.labelManager = cs.getRMContext().getNodeLabelManager();
this.parent = parent;
this.queuePath = createQueuePath(parent, queueName);
this.queueName = queuePath.getLeafName();
this.resourceCalculator = cs.getResourceCalculator();
this.activitiesManager = cs.getActivitiesManager();
// must be called after parent and queueName is set
CSQueueMetrics metrics = old != null ?
(CSQueueMetrics) old.getMetrics() :
CSQueueMetrics.forQueue(getQueuePath(), parent,
cs.getConfiguration().getEnableUserMetrics(), configuration);
usageTracker = new CSQueueUsageTracker(metrics);
this.csContext = cs;
this.queueAllocationSettings = new QueueAllocationSettings(csContext);
queueEntity = new PrivilegedEntity(EntityType.QUEUE, getQueuePath());
queueCapacities = new QueueCapacities(parent == null);
ReentrantReadWriteLock lock = new ReentrantReadWriteLock();
readLock = lock.readLock();
writeLock = lock.writeLock();
}
private static QueuePath createQueuePath(CSQueue parent, String queueName) {
if (parent == null) {
return new QueuePath(null, queueName);
}
return new QueuePath(parent.getQueuePath(), queueName);
}
@VisibleForTesting
protected void setupConfigurableCapacities() {
setupConfigurableCapacities(csContext.getConfiguration());
}
protected void setupConfigurableCapacities(
CapacitySchedulerConfiguration configuration) {
CSQueueUtils.loadCapacitiesByLabelsFromConf(getQueuePath(), queueCapacities,
configuration, this.queueNodeLabelsSettings.getConfiguredNodeLabels());
}
@Override
public String getQueuePath() {
return queuePath.getFullPath();
}
@Override
public float getCapacity() {
return queueCapacities.getCapacity();
}
@Override
public float getAbsoluteCapacity() {
return queueCapacities.getAbsoluteCapacity();
}
@Override
public float getAbsoluteMaximumCapacity() {
return queueCapacities.getAbsoluteMaximumCapacity();
}
@Override
public float getAbsoluteUsedCapacity() {
return queueCapacities.getAbsoluteUsedCapacity();
}
@Override
public float getMaximumCapacity() {
return queueCapacities.getMaximumCapacity();
}
@Override
public float getUsedCapacity() {
return queueCapacities.getUsedCapacity();
}
@Override
public Resource getUsedResources() {
return usageTracker.getQueueUsage().getUsed();
}
public int getNumContainers() {
return usageTracker.getNumContainers();
}
@Override
public QueueState getState() {
return state;
}
@Override
public CSQueueMetrics getMetrics() {
return usageTracker.getMetrics();
}
@Override
public String getQueueShortName() {
return queuePath.getLeafName();
}
@Override
public String getQueueName() {
return queueName;
}
@Override
public CSQueue getParent() {
return parent;
}
@Override
public void setParent(CSQueue newParentQueue) {
this.parent = newParentQueue;
}
@Override
public PrivilegedEntity getPrivilegedEntity() {
return queueEntity;
}
public Set<String> getAccessibleNodeLabels() {
return queueNodeLabelsSettings.getAccessibleNodeLabels();
}
@Override
public boolean hasAccess(QueueACL acl, UserGroupInformation user) {
return authorizer.checkPermission(
new AccessRequest(queueEntity, user, SchedulerUtils.toAccessType(acl),
null, null, Server.getRemoteAddress(), null));
}
/**
* Set maximum capacity - used only for testing.
* @param maximumCapacity new max capacity
*/
@VisibleForTesting
void setMaxCapacity(float maximumCapacity) {
writeLock.lock();
try {
// Sanity check
CSQueueUtils.checkMaxCapacity(getQueuePath(),
queueCapacities.getCapacity(), maximumCapacity);
float absMaxCapacity = CSQueueUtils.computeAbsoluteMaximumCapacity(
maximumCapacity, parent);
CSQueueUtils.checkAbsoluteCapacity(getQueuePath(),
queueCapacities.getAbsoluteCapacity(), absMaxCapacity);
queueCapacities.setMaximumCapacity(maximumCapacity);
queueCapacities.setAbsoluteMaximumCapacity(absMaxCapacity);
} finally {
writeLock.unlock();
}
}
/**
* Set maximum capacity
* @param maximumCapacity new max capacity
*/
void setMaxCapacity(String nodeLabel, float maximumCapacity) {
writeLock.lock();
try {
// Sanity check
CSQueueUtils.checkMaxCapacity(getQueuePath(),
queueCapacities.getCapacity(nodeLabel), maximumCapacity);
float absMaxCapacity = CSQueueUtils.computeAbsoluteMaximumCapacity(
maximumCapacity, parent);
CSQueueUtils.checkAbsoluteCapacity(getQueuePath(),
queueCapacities.getAbsoluteCapacity(nodeLabel), absMaxCapacity);
queueCapacities.setMaximumCapacity(maximumCapacity);
queueCapacities.setAbsoluteMaximumCapacity(absMaxCapacity);
} finally {
writeLock.unlock();
}
}
@Override
public String getDefaultNodeLabelExpression() {
return this.queueNodeLabelsSettings.getDefaultLabelExpression();
}
protected void setupQueueConfigs(Resource clusterResource,
CapacitySchedulerConfiguration configuration) throws
IOException {
writeLock.lock();
try {
if (isDynamicQueue() || this instanceof AbstractAutoCreatedLeafQueue) {
setDynamicQueueProperties(configuration);
}
// Collect and set the Node label configuration
this.queueNodeLabelsSettings = new QueueNodeLabelsSettings(configuration, parent,
getQueuePath(), csContext);
// Initialize the queue capacities
setupConfigurableCapacities(configuration);
updateAbsoluteCapacities();
updateCapacityConfigType();
// Fetch minimum/maximum resource limits for this queue if
// configured
this.resourceTypes = new HashSet<>();
for (AbsoluteResourceType type : AbsoluteResourceType.values()) {
resourceTypes.add(type.toString().toLowerCase());
}
updateConfigurableResourceLimits(clusterResource);
// Setup queue's maximumAllocation respecting the global
// and the queue settings
this.queueAllocationSettings.setupMaximumAllocation(configuration, getQueuePath(),
parent, csContext);
// Initialize the queue state based on previous state, configured state
// and its parent state
initializeQueueState(configuration);
authorizer = YarnAuthorizationProvider.getInstance(configuration);
this.acls = configuration.getAcls(getQueuePath());
this.userWeights = getUserWeightsFromHierarchy(configuration);
this.reservationsContinueLooking =
configuration.getReservationContinueLook();
this.configuredCapacityVectors = csContext.getConfiguration()
.parseConfiguredResourceVector(queuePath.getFullPath(),
this.queueNodeLabelsSettings.getConfiguredNodeLabels());
// Update metrics
CSQueueUtils.updateQueueStatistics(resourceCalculator, clusterResource,
this, labelManager, null);
// Store preemption settings
this.preemptionSettings = new CSQueuePreemptionSettings(this, csContext, configuration);
this.priority = configuration.getQueuePriority(
getQueuePath());
// Update multi-node sorting algorithm for scheduling as configured.
setMultiNodeSortingPolicyName(
configuration.getMultiNodesSortingAlgorithmPolicy(getQueuePath()));
// Setup application related limits
this.queueAppLifetimeSettings = new QueueAppLifetimeAndLimitSettings(configuration,
this, getQueuePath());
} finally {
writeLock.unlock();
}
}
/**
* Set properties specific to dynamic queues.
* @param configuration configuration on which the properties are set
*/
protected void setDynamicQueueProperties(
CapacitySchedulerConfiguration configuration) {
// Set properties from parent template
if (parent instanceof ParentQueue) {
((ParentQueue) parent).getAutoCreatedQueueTemplate()
.setTemplateEntriesForChild(configuration, getQueuePath());
String parentTemplate = String.format("%s.%s", parent.getQueuePath(),
AutoCreatedQueueTemplate.AUTO_QUEUE_TEMPLATE_PREFIX);
parentTemplate = parentTemplate.substring(0, parentTemplate.lastIndexOf(
DOT));
Set<String> parentNodeLabels = csContext
.getCapacitySchedulerQueueManager().getConfiguredNodeLabels()
.getLabelsByQueue(parentTemplate);
if (parentNodeLabels != null && parentNodeLabels.size() > 1) {
csContext.getCapacitySchedulerQueueManager().getConfiguredNodeLabels()
.setLabelsByQueue(getQueuePath(), new HashSet<>(parentNodeLabels));
}
}
}
private UserWeights getUserWeightsFromHierarchy(
CapacitySchedulerConfiguration configuration) {
UserWeights unionInheritedWeights = UserWeights.createEmpty();
CSQueue parentQ = parent;
if (parentQ != null) {
// Inherit all of parent's userWeights
unionInheritedWeights.addFrom(parentQ.getUserWeights());
}
// Insert this queue's userWeights, overriding parent's userWeights if
// there is an overlap.
unionInheritedWeights.addFrom(
configuration.getAllUserWeightsForQueue(getQueuePath()));
return unionInheritedWeights;
}
protected Resource getMinimumAbsoluteResource(String queuePath, String label) {
Resource minResource = csContext.getConfiguration()
.getMinimumResourceRequirement(label, queuePath, resourceTypes);
return minResource;
}
protected Resource getMaximumAbsoluteResource(String queuePath, String label) {
Resource maxResource = csContext.getConfiguration()
.getMaximumResourceRequirement(label, queuePath, resourceTypes);
return maxResource;
}
protected boolean checkConfigTypeIsAbsoluteResource(String queuePath,
String label) {
return csContext.getConfiguration().checkConfigTypeIsAbsoluteResource(label,
queuePath, resourceTypes);
}
protected void updateCapacityConfigType() {
this.capacityConfigType = CapacityConfigType.NONE;
for (String label : queueNodeLabelsSettings.getConfiguredNodeLabels()) {
LOG.debug("capacityConfigType is '{}' for queue {}",
capacityConfigType, getQueuePath());
CapacityConfigType localType = checkConfigTypeIsAbsoluteResource(
getQueuePath(), label) ? CapacityConfigType.ABSOLUTE_RESOURCE
: CapacityConfigType.PERCENTAGE;
if (this.capacityConfigType.equals(CapacityConfigType.NONE)) {
this.capacityConfigType = localType;
LOG.debug("capacityConfigType is updated as '{}' for queue {}",
capacityConfigType, getQueuePath());
} else {
validateAbsoluteVsPercentageCapacityConfig(localType);
}
}
}
protected void updateConfigurableResourceLimits(Resource clusterResource) {
for (String label : queueNodeLabelsSettings.getConfiguredNodeLabels()) {
final Resource minResource = getMinimumAbsoluteResource(getQueuePath(), label);
Resource maxResource = getMaximumAbsoluteResource(getQueuePath(), label);
if (parent != null) {
final Resource parentMax = parent.getQueueResourceQuotas()
.getConfiguredMaxResource(label);
validateMinResourceIsNotGreaterThanMaxResource(maxResource, parentMax, clusterResource,
"Max resource configuration "
+ maxResource + " is greater than parents max value:"
+ parentMax + " in queue:" + getQueuePath());
// If child's max resource is not set, but its parent max resource is
// set, we must set child max resource to its parent's.
if (maxResource.equals(Resources.none()) &&
!minResource.equals(Resources.none()) &&
!parentMax.equals(Resources.none())) {
maxResource = Resources.clone(parentMax);
}
}
validateMinResourceIsNotGreaterThanMaxResource(minResource, maxResource, clusterResource,
"Min resource configuration "
+ minResource + " is greater than its max value:" + maxResource
+ " in queue:" + getQueuePath());
LOG.debug("Updating absolute resource configuration for queue:{} as"
+ " minResource={} and maxResource={}", getQueuePath(), minResource,
maxResource);
usageTracker.getQueueResourceQuotas().setConfiguredMinResource(label, minResource);
usageTracker.getQueueResourceQuotas().setConfiguredMaxResource(label, maxResource);
}
}
private void validateMinResourceIsNotGreaterThanMaxResource(Resource minResource,
Resource maxResource,
Resource clusterResource,
String validationError) {
if (!maxResource.equals(Resources.none()) && Resources.greaterThan(
resourceCalculator, clusterResource, minResource, maxResource)) {
throw new IllegalArgumentException(validationError);
}
}
private void validateAbsoluteVsPercentageCapacityConfig(
CapacityConfigType localType) {
if (!getQueuePath().equals("root")
&& !this.capacityConfigType.equals(localType)) {
throw new IllegalArgumentException("Queue '" + getQueuePath()
+ "' should use either percentage based capacity"
+ " configuration or absolute resource.");
}
}
@Override
public CapacityConfigType getCapacityConfigType() {
return capacityConfigType;
}
@Override
public Resource getEffectiveCapacity(String label) {
return Resources
.clone(getQueueResourceQuotas().getEffectiveMinResource(label));
}
@Override
public Resource getEffectiveCapacityDown(String label, Resource factor) {
return Resources.normalizeDown(resourceCalculator,
getQueueResourceQuotas().getEffectiveMinResource(label),
queueAllocationSettings.getMinimumAllocation());
}
@Override
public Resource getEffectiveMaxCapacity(String label) {
return Resources
.clone(getQueueResourceQuotas().getEffectiveMaxResource(label));
}
@Override
public Resource getEffectiveMaxCapacityDown(String label, Resource factor) {
return Resources.normalizeDown(resourceCalculator,
getQueueResourceQuotas().getEffectiveMaxResource(label),
queueAllocationSettings.getMinimumAllocation());
}
@Override
public QueueCapacityVector getConfiguredCapacityVector(
String label) {
return configuredCapacityVectors.get(label);
}
private void initializeQueueState(CapacitySchedulerConfiguration configuration) {
QueueState previousState = getState();
QueueState configuredState = configuration
.getConfiguredState(getQueuePath());
QueueState parentState = (parent == null) ? null : parent.getState();
// verify that we can not any value for State other than RUNNING/STOPPED
if (configuredState != null && configuredState != QueueState.RUNNING
&& configuredState != QueueState.STOPPED) {
throw new IllegalArgumentException("Invalid queue state configuration."
+ " We can only use RUNNING or STOPPED.");
}
// If we did not set state in configuration, use Running as default state
QueueState defaultState = QueueState.RUNNING;
if (previousState == null) {
// If current state of the queue is null, we would inherit the state
// from its parent. If this queue does not has parent, such as root queue,
// we would use the configured state.
if (parentState == null) {
updateQueueState((configuredState == null) ? defaultState
: configuredState);
} else {
if (configuredState == null) {
updateQueueState((parentState == QueueState.DRAINING) ?
QueueState.STOPPED : parentState);
} else if (configuredState == QueueState.RUNNING
&& parentState != QueueState.RUNNING) {
throw new IllegalArgumentException(
"The parent queue:" + parent.getQueuePath()
+ " cannot be STOPPED as the child queue:" + getQueuePath()
+ " is in RUNNING state.");
} else {
updateQueueState(configuredState);
}
}
} else {
// when we get a refreshQueue request from AdminService,
if (previousState == QueueState.RUNNING) {
if (configuredState == QueueState.STOPPED) {
stopQueue();
}
} else {
if (configuredState == QueueState.RUNNING) {
try {
activateQueue();
} catch (YarnException ex) {
throw new IllegalArgumentException(ex.getMessage());
}
}
}
}
}
protected QueueInfo getQueueInfo() {
// Deliberately doesn't use lock here, because this method will be invoked
// from schedulerApplicationAttempt, to avoid deadlock, sacrifice
// consistency here.
// TODO, improve this
QueueInfo queueInfo = recordFactory.newRecordInstance(QueueInfo.class);
queueInfo.setQueueName(queueName);
queueInfo.setQueuePath(getQueuePath());
queueInfo.setAccessibleNodeLabels(queueNodeLabelsSettings.getAccessibleNodeLabels());
queueInfo.setCapacity(queueCapacities.getCapacity());
queueInfo.setMaximumCapacity(queueCapacities.getMaximumCapacity());
queueInfo.setQueueState(getState());
queueInfo.setDefaultNodeLabelExpression(queueNodeLabelsSettings.getDefaultLabelExpression());
queueInfo.setCurrentCapacity(getUsedCapacity());
queueInfo.setQueueStatistics(getQueueStatistics());
queueInfo.setPreemptionDisabled(preemptionSettings.isPreemptionDisabled());
queueInfo.setIntraQueuePreemptionDisabled(
getIntraQueuePreemptionDisabled());
queueInfo.setQueueConfigurations(getQueueConfigurations());
queueInfo.setWeight(queueCapacities.getWeight());
queueInfo.setMaxParallelApps(queueAppLifetimeSettings.getMaxParallelApps());
return queueInfo;
}
public QueueStatistics getQueueStatistics() {
// Deliberately doesn't use lock here, because this method will be invoked
// from schedulerApplicationAttempt, to avoid deadlock, sacrifice
// consistency here.
// TODO, improve this
QueueStatistics stats = recordFactory.newRecordInstance(
QueueStatistics.class);
stats.setNumAppsSubmitted(getMetrics().getAppsSubmitted());
stats.setNumAppsRunning(getMetrics().getAppsRunning());
stats.setNumAppsPending(getMetrics().getAppsPending());
stats.setNumAppsCompleted(getMetrics().getAppsCompleted());
stats.setNumAppsKilled(getMetrics().getAppsKilled());
stats.setNumAppsFailed(getMetrics().getAppsFailed());
stats.setNumActiveUsers(getMetrics().getActiveUsers());
stats.setAvailableMemoryMB(getMetrics().getAvailableMB());
stats.setAllocatedMemoryMB(getMetrics().getAllocatedMB());
stats.setPendingMemoryMB(getMetrics().getPendingMB());
stats.setReservedMemoryMB(getMetrics().getReservedMB());
stats.setAvailableVCores(getMetrics().getAvailableVirtualCores());
stats.setAllocatedVCores(getMetrics().getAllocatedVirtualCores());
stats.setPendingVCores(getMetrics().getPendingVirtualCores());
stats.setReservedVCores(getMetrics().getReservedVirtualCores());
stats.setPendingContainers(getMetrics().getPendingContainers());
stats.setAllocatedContainers(getMetrics().getAllocatedContainers());
stats.setReservedContainers(getMetrics().getReservedContainers());
return stats;
}
public Map<String, QueueConfigurations> getQueueConfigurations() {
Map<String, QueueConfigurations> queueConfigurations = new HashMap<>();
Set<String> nodeLabels = getNodeLabelsForQueue();
QueueResourceQuotas queueResourceQuotas = usageTracker.getQueueResourceQuotas();
for (String nodeLabel : nodeLabels) {
QueueConfigurations queueConfiguration =
recordFactory.newRecordInstance(QueueConfigurations.class);
float capacity = queueCapacities.getCapacity(nodeLabel);
float absoluteCapacity = queueCapacities.getAbsoluteCapacity(nodeLabel);
float maxCapacity = queueCapacities.getMaximumCapacity(nodeLabel);
float absMaxCapacity =
queueCapacities.getAbsoluteMaximumCapacity(nodeLabel);
float maxAMPercentage =
queueCapacities.getMaxAMResourcePercentage(nodeLabel);
queueConfiguration.setCapacity(capacity);
queueConfiguration.setAbsoluteCapacity(absoluteCapacity);
queueConfiguration.setMaxCapacity(maxCapacity);
queueConfiguration.setAbsoluteMaxCapacity(absMaxCapacity);
queueConfiguration.setMaxAMPercentage(maxAMPercentage);
queueConfiguration.setConfiguredMinCapacity(
queueResourceQuotas.getConfiguredMinResource(nodeLabel));
queueConfiguration.setConfiguredMaxCapacity(
queueResourceQuotas.getConfiguredMaxResource(nodeLabel));
queueConfiguration.setEffectiveMinCapacity(
queueResourceQuotas.getEffectiveMinResource(nodeLabel));
queueConfiguration.setEffectiveMaxCapacity(
queueResourceQuotas.getEffectiveMaxResource(nodeLabel));
queueConfigurations.put(nodeLabel, queueConfiguration);
}
return queueConfigurations;
}
@Private
public Resource getMaximumAllocation() {
return queueAllocationSettings.getMaximumAllocation();
}
@Private
public Resource getMinimumAllocation() {
return queueAllocationSettings.getMinimumAllocation();
}
void allocateResource(Resource clusterResource,
Resource resource, String nodePartition) {
writeLock.lock();
try {
usageTracker.getQueueUsage().incUsed(nodePartition, resource);
usageTracker.increaseNumContainers();
CSQueueUtils.updateQueueStatistics(resourceCalculator, clusterResource,
this, labelManager, nodePartition);
} finally {
writeLock.unlock();
}
}
protected void releaseResource(Resource clusterResource,
Resource resource, String nodePartition) {
writeLock.lock();
try {
usageTracker.getQueueUsage().decUsed(nodePartition, resource);
CSQueueUtils.updateQueueStatistics(resourceCalculator, clusterResource,
this, labelManager, nodePartition);
usageTracker.decreaseNumContainers();
} finally {
writeLock.unlock();
}
}
@Private
public boolean getReservationContinueLooking() {
return reservationsContinueLooking;
}
@Private
public Map<AccessType, AccessControlList> getACLs() {
readLock.lock();
try {
return acls;
} finally {
readLock.unlock();
}
}
@Private
public boolean getPreemptionDisabled() {
return preemptionSettings.isPreemptionDisabled();
}
@Private
public boolean getIntraQueuePreemptionDisabled() {
return preemptionSettings.getIntraQueuePreemptionDisabled();
}
@Private
public boolean getIntraQueuePreemptionDisabledInHierarchy() {
return preemptionSettings.isIntraQueuePreemptionDisabledInHierarchy();
}
@Private
public QueueCapacities getQueueCapacities() {
return queueCapacities;
}
@Private
public ResourceUsage getQueueResourceUsage() {
return usageTracker.getQueueUsage();
}
@Override
public QueueResourceQuotas getQueueResourceQuotas() {
return usageTracker.getQueueResourceQuotas();
}
@Override
public ReentrantReadWriteLock.ReadLock getReadLock() {
return readLock;
}
private Resource getCurrentLimitResource(String nodePartition,
Resource clusterResource, ResourceLimits currentResourceLimits,
SchedulingMode schedulingMode) {
if (schedulingMode == SchedulingMode.RESPECT_PARTITION_EXCLUSIVITY) {
/*
* Current limit resource: For labeled resource: limit = queue-max-resource
* (TODO, this part need update when we support labeled-limit) For
* non-labeled resource: limit = min(queue-max-resource,
* limit-set-by-parent)
*/
Resource queueMaxResource =
getQueueMaxResource(nodePartition);
return Resources.min(resourceCalculator, clusterResource,
queueMaxResource, currentResourceLimits.getLimit());
} else if (schedulingMode == SchedulingMode.IGNORE_PARTITION_EXCLUSIVITY) {
// When we doing non-exclusive resource allocation, maximum capacity of
// all queues on this label equals to total resource with the label.
return labelManager.getResourceByLabel(nodePartition, clusterResource);
}
return Resources.none();
}
Resource getQueueMaxResource(String nodePartition) {
return getEffectiveMaxCapacity(nodePartition);
}
@VisibleForTesting
boolean hasChildQueues() {
List<CSQueue> childQueues = getChildQueues();
return childQueues != null && !childQueues.isEmpty();
}
boolean canAssignToThisQueue(Resource clusterResource,
String nodePartition, ResourceLimits currentResourceLimits,
Resource resourceCouldBeUnreserved, SchedulingMode schedulingMode) {
readLock.lock();
try {
// Get current limited resource:
// - When doing RESPECT_PARTITION_EXCLUSIVITY allocation, we will respect
// queues' max capacity.
// - When doing IGNORE_PARTITION_EXCLUSIVITY allocation, we will not respect
// queue's max capacity, queue's max capacity on the partition will be
// considered to be 100%. Which is a queue can use all resource in the
// partition.
// Doing this because: for non-exclusive allocation, we make sure there's
// idle resource on the partition, to avoid wastage, such resource will be
// leveraged as much as we can, and preemption policy will reclaim it back
// when partitioned-resource-request comes back.
Resource currentLimitResource = getCurrentLimitResource(nodePartition,
clusterResource, currentResourceLimits, schedulingMode);
Resource nowTotalUsed = usageTracker.getQueueUsage().getUsed(nodePartition);
// Set headroom for currentResourceLimits:
// When queue is a parent queue: Headroom = limit - used + killable
// When queue is a leaf queue: Headroom = limit - used (leaf queue cannot preempt itself)
Resource usedExceptKillable = nowTotalUsed;
if (hasChildQueues()) {
usedExceptKillable = Resources.subtract(nowTotalUsed,
getTotalKillableResource(nodePartition));
}
currentResourceLimits.setHeadroom(
Resources.subtract(currentLimitResource, usedExceptKillable));
if (Resources.greaterThanOrEqual(resourceCalculator, clusterResource,
usedExceptKillable, currentLimitResource)) {
// if reservation continue looking enabled, check to see if could we
// potentially use this node instead of a reserved node if the application
// has reserved containers.
if (this.reservationsContinueLooking
&& Resources.greaterThan(resourceCalculator, clusterResource,
resourceCouldBeUnreserved, Resources.none())) {
// resource-without-reserved = used - reserved
Resource newTotalWithoutReservedResource = Resources.subtract(
usedExceptKillable, resourceCouldBeUnreserved);
// when total-used-without-reserved-resource < currentLimit, we still
// have chance to allocate on this node by unreserving some containers
if (Resources.lessThan(resourceCalculator, clusterResource,
newTotalWithoutReservedResource, currentLimitResource)) {
if (LOG.isDebugEnabled()) {
LOG.debug("try to use reserved: " + getQueuePath()
+ " usedResources: " + usageTracker.getQueueUsage().getUsed()
+ ", clusterResources: " + clusterResource
+ ", reservedResources: " + resourceCouldBeUnreserved
+ ", capacity-without-reserved: "
+ newTotalWithoutReservedResource
+ ", maxLimitCapacity: " + currentLimitResource);
}
return true;
}
}
// Can not assign to this queue
if (LOG.isDebugEnabled()) {
LOG.debug("Failed to assign to queue: " + getQueuePath()
+ " nodePartition: " + nodePartition
+ ", usedResources: " + usageTracker.getQueueUsage().getUsed(nodePartition)
+ ", clusterResources: " + clusterResource
+ ", reservedResources: " + resourceCouldBeUnreserved
+ ", maxLimitCapacity: " + currentLimitResource
+ ", currTotalUsed:" + usedExceptKillable);
}
return false;
}
if (LOG.isDebugEnabled()) {
LOG.debug("Check assign to queue: " + getQueuePath()
+ " nodePartition: " + nodePartition
+ ", usedResources: " + usageTracker.getQueueUsage().getUsed(nodePartition)
+ ", clusterResources: " + clusterResource
+ ", currentUsedCapacity: " + Resources
.divide(resourceCalculator, clusterResource,
usageTracker.getQueueUsage().getUsed(nodePartition), labelManager
.getResourceByLabel(nodePartition, clusterResource))
+ ", max-capacity: " + queueCapacities
.getAbsoluteMaximumCapacity(nodePartition));
}
return true;
} finally {
readLock.unlock();
}
}
private static String ensurePartition(String partition) {
return Optional.ofNullable(partition).orElse(RMNodeLabelsManager.NO_LABEL);
}
@FunctionalInterface
interface Counter {
void count(String partition, Resource resource);
}
@FunctionalInterface
interface CounterWithApp {
void count(String partition, Resource reservedRes, SchedulerApplicationAttempt application);
}
private void count(String partition, Resource resource, Counter counter, Counter parentCounter) {
final String checkedPartition = ensurePartition(partition);
counter.count(checkedPartition, resource);
Optional.ofNullable(parentCounter).ifPresent(c -> c.count(checkedPartition, resource));
}
private void countAndUpdate(String partition, Resource resource,
Counter counter, CounterWithApp parentCounter) {
final String checkedPartition = ensurePartition(partition);
counter.count(checkedPartition, resource);
CSQueueUtils.updateUsedCapacity(resourceCalculator,
labelManager.getResourceByLabel(checkedPartition, Resources.none()),
checkedPartition, this);
Optional.ofNullable(parentCounter).ifPresent(c -> c.count(checkedPartition, resource, null));
}
@Override
public void incReservedResource(String partition, Resource reservedRes) {
count(partition, reservedRes, usageTracker.getQueueUsage()::incReserved,
parent == null ? null : parent::incReservedResource);
}
@Override
public void decReservedResource(String partition, Resource reservedRes) {
count(partition, reservedRes, usageTracker.getQueueUsage()::decReserved,
parent == null ? null : parent::decReservedResource);
}
@Override
public void incPendingResource(String nodeLabel, Resource resourceToInc) {
count(nodeLabel, resourceToInc, usageTracker.getQueueUsage()::incPending,
parent == null ? null : parent::incPendingResource);
}
@Override
public void decPendingResource(String nodeLabel, Resource resourceToDec) {
count(nodeLabel, resourceToDec, usageTracker.getQueueUsage()::decPending,
parent == null ? null : parent::decPendingResource);
}
@Override
public void incUsedResource(String nodeLabel, Resource resourceToInc,
SchedulerApplicationAttempt application) {
countAndUpdate(nodeLabel, resourceToInc, usageTracker.getQueueUsage()::incUsed,
parent == null ? null : parent::incUsedResource);
}
@Override
public void decUsedResource(String nodeLabel, Resource resourceToDec,
SchedulerApplicationAttempt application) {
countAndUpdate(nodeLabel, resourceToDec, usageTracker.getQueueUsage()::decUsed,
parent == null ? null : parent::decUsedResource);
}
/**
* Return if the queue has pending resource on given nodePartition and
* schedulingMode.
*/
boolean hasPendingResourceRequest(String nodePartition,
Resource cluster, SchedulingMode schedulingMode) {
return SchedulerUtils.hasPendingResourceRequest(resourceCalculator,
usageTracker.getQueueUsage(), nodePartition, cluster, schedulingMode);
}
@Override
public Priority getDefaultApplicationPriority() {
// TODO add dummy implementation
return null;