YARN-5556. CapacityScheduler: Support deleting queues without requiring a RM restart. (Naganarasimha G R via wangda)
This commit is contained in:
Wangda Tan
parent
a2a5d7b5bc
commit
72054a817d
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@ -90,8 +90,6 @@ import org.apache.hadoop.yarn.server.resourcemanager.rmnode.RMNodeDecreaseContai
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import org.apache.hadoop.yarn.server.resourcemanager.scheduler.AbstractYarnScheduler;
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import org.apache.hadoop.yarn.server.resourcemanager.scheduler.Allocation;
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import org.apache.hadoop.yarn.server.resourcemanager.scheduler.AppSchedulingInfo;
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import org.apache.hadoop.yarn.server.resourcemanager.scheduler.ContainerUpdates;
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import org.apache.hadoop.yarn.server.resourcemanager.scheduler.NodeType;
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import org.apache.hadoop.yarn.server.resourcemanager.scheduler.PreemptableResourceScheduler;
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@ -418,7 +416,7 @@ public class CapacityScheduler extends
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} catch (Throwable t) {
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this.conf = oldConf;
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refreshMaximumAllocation(this.conf.getMaximumAllocation());
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throw new IOException("Failed to re-init queues", t);
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throw new IOException("Failed to re-init queues : "+ t.getMessage(), t);
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}
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// update lazy preemption
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@ -18,7 +18,6 @@
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package org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity;
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import com.google.common.annotations.VisibleForTesting;
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import java.io.IOException;
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import java.util.ArrayList;
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import java.util.Comparator;
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@ -27,6 +26,7 @@ import java.util.List;
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import java.util.Map;
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import java.util.Set;
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import java.util.concurrent.ConcurrentHashMap;
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import org.apache.commons.logging.Log;
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import org.apache.commons.logging.LogFactory;
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import org.apache.hadoop.classification.InterfaceAudience.Private;
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@ -34,6 +34,7 @@ import org.apache.hadoop.classification.InterfaceStability.Unstable;
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import org.apache.hadoop.conf.Configuration;
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import org.apache.hadoop.security.UserGroupInformation;
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import org.apache.hadoop.yarn.api.records.Priority;
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import org.apache.hadoop.yarn.api.records.QueueState;
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import org.apache.hadoop.yarn.api.records.Resource;
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import org.apache.hadoop.yarn.exceptions.YarnException;
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import org.apache.hadoop.yarn.security.Permission;
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@ -45,6 +46,8 @@ import org.apache.hadoop.yarn.server.resourcemanager.scheduler.ResourceLimits;
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import org.apache.hadoop.yarn.server.resourcemanager.scheduler.SchedulerQueueManager;
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import org.apache.hadoop.yarn.server.resourcemanager.security.AppPriorityACLsManager;
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import com.google.common.annotations.VisibleForTesting;
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/**
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*
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* Context of the Queues in Capacity Scheduler.
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@ -164,11 +167,11 @@ public class CapacitySchedulerQueueManager implements SchedulerQueueManager<
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CSQueue newRoot = parseQueue(this.csContext, newConf, null,
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CapacitySchedulerConfiguration.ROOT, newQueues, queues, NOOP);
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// Ensure all existing queues are still present
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validateExistingQueues(queues, newQueues);
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// Ensure queue hiearchy in the new XML file is proper.
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validateQueueHierarchy(queues, newQueues);
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// Add new queues
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addNewQueues(queues, newQueues);
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// Add new queues and delete OldQeueus only after validation.
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updateQueues(queues, newQueues);
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// Re-configure queues
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root.reinitialize(newRoot, this.csContext.getClusterResource());
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@ -261,13 +264,14 @@ public class CapacitySchedulerQueueManager implements SchedulerQueueManager<
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}
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/**
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* Ensure all existing queues are present. Queues cannot be deleted
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* Ensure all existing queues are present. Queues cannot be deleted if its not
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* in Stopped state, Queue's cannot be moved from one hierarchy to other also.
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*
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* @param queues existing queues
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* @param newQueues new queues
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*/
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private void validateExistingQueues(
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Map<String, CSQueue> queues, Map<String, CSQueue> newQueues)
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throws IOException {
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private void validateQueueHierarchy(Map<String, CSQueue> queues,
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Map<String, CSQueue> newQueues) throws IOException {
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// check that all static queues are included in the newQueues list
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for (Map.Entry<String, CSQueue> e : queues.entrySet()) {
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if (!(e.getValue() instanceof ReservationQueue)) {
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@ -275,8 +279,18 @@ public class CapacitySchedulerQueueManager implements SchedulerQueueManager<
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CSQueue oldQueue = e.getValue();
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CSQueue newQueue = newQueues.get(queueName);
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if (null == newQueue) {
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throw new IOException(queueName + " cannot be found during refresh!");
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// old queue doesn't exist in the new XML
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if (oldQueue.getState() == QueueState.STOPPED) {
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LOG.info("Deleting Queue " + queueName + ", as it is not"
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+ " present in the modified capacity configuration xml");
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} else {
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throw new IOException(oldQueue.getQueuePath() + " is deleted from"
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+ " the new capacity scheduler configuration, but the"
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+ " queue is not yet in stopped state. "
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+ "Current State : " + oldQueue.getState());
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}
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} else if (!oldQueue.getQueuePath().equals(newQueue.getQueuePath())) {
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//Queue's cannot be moved from one hierarchy to other
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throw new IOException(queueName + " is moved from:"
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+ oldQueue.getQueuePath() + " to:" + newQueue.getQueuePath()
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+ " after refresh, which is not allowed.");
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@ -286,18 +300,25 @@ public class CapacitySchedulerQueueManager implements SchedulerQueueManager<
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}
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/**
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* Add the new queues (only) to our list of queues...
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* ... be careful, do not overwrite existing queues.
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* @param queues the existing queues
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* @param newQueues the new queues
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* Updates to our list of queues: Adds the new queues and deletes the removed
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* ones... be careful, do not overwrite existing queues.
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*
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* @param existingQueues, the existing queues
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* @param newQueues the new queues based on new XML
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*/
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private void addNewQueues(
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Map<String, CSQueue> queues, Map<String, CSQueue> newQueues) {
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private void updateQueues(Map<String, CSQueue> existingQueues,
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Map<String, CSQueue> newQueues) {
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for (Map.Entry<String, CSQueue> e : newQueues.entrySet()) {
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String queueName = e.getKey();
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CSQueue queue = e.getValue();
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if (!queues.containsKey(queueName)) {
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queues.put(queueName, queue);
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if (!existingQueues.containsKey(queueName)) {
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existingQueues.put(queueName, queue);
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}
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}
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for (Map.Entry<String, CSQueue> e : existingQueues.entrySet()) {
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String queueName = e.getKey();
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if (!newQueues.containsKey(queueName)) {
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existingQueues.remove(queueName);
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}
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}
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}
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@ -18,6 +18,18 @@
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package org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity;
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import java.io.IOException;
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import java.util.ArrayList;
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import java.util.Collection;
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import java.util.Collections;
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import java.util.Comparator;
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import java.util.HashMap;
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import java.util.Iterator;
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import java.util.List;
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import java.util.Map;
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import java.util.Set;
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import java.util.TreeSet;
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import org.apache.commons.lang.StringUtils;
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import org.apache.commons.logging.Log;
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import org.apache.commons.logging.LogFactory;
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@ -42,9 +54,14 @@ import org.apache.hadoop.yarn.server.resourcemanager.nodelabels.RMNodeLabelsMana
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import org.apache.hadoop.yarn.server.resourcemanager.rmcontainer.RMContainer;
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import org.apache.hadoop.yarn.server.resourcemanager.rmcontainer.RMContainerEventType;
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import org.apache.hadoop.yarn.server.resourcemanager.rmcontainer.RMContainerState;
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import org.apache.hadoop.yarn.server.resourcemanager.scheduler.*;
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import org.apache.hadoop.yarn.server.resourcemanager.scheduler.activities.ActivityDiagnosticConstant;
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import org.apache.hadoop.yarn.server.resourcemanager.scheduler.ActiveUsersManager;
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import org.apache.hadoop.yarn.server.resourcemanager.scheduler.NodeType;
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import org.apache.hadoop.yarn.server.resourcemanager.scheduler.ResourceLimits;
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import org.apache.hadoop.yarn.server.resourcemanager.scheduler.SchedContainerChangeRequest;
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import org.apache.hadoop.yarn.server.resourcemanager.scheduler.SchedulerApplicationAttempt;
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import org.apache.hadoop.yarn.server.resourcemanager.scheduler.SchedulerUtils;
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import org.apache.hadoop.yarn.server.resourcemanager.scheduler.activities.ActivitiesLogger;
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import org.apache.hadoop.yarn.server.resourcemanager.scheduler.activities.ActivityDiagnosticConstant;
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import org.apache.hadoop.yarn.server.resourcemanager.scheduler.activities.ActivityState;
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import org.apache.hadoop.yarn.server.resourcemanager.scheduler.activities.AllocationState;
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import org.apache.hadoop.yarn.server.resourcemanager.scheduler.common.ContainerAllocationProposal;
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@ -56,18 +73,6 @@ import org.apache.hadoop.yarn.server.resourcemanager.scheduler.placement.Placeme
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import org.apache.hadoop.yarn.server.resourcemanager.scheduler.placement.PlacementSetUtils;
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import org.apache.hadoop.yarn.util.resource.Resources;
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import java.io.IOException;
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import java.util.ArrayList;
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import java.util.Collection;
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import java.util.Collections;
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import java.util.Comparator;
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import java.util.HashMap;
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import java.util.Iterator;
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import java.util.List;
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import java.util.Map;
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import java.util.Set;
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import java.util.TreeSet;
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@Private
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@Evolving
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public class ParentQueue extends AbstractCSQueue {
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@ -317,6 +322,14 @@ public class ParentQueue extends AbstractCSQueue {
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}
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}
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// remove the deleted queue in the refreshed xml.
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for (Map.Entry<String, CSQueue> e : currentChildQueues.entrySet()) {
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String queueName = e.getKey();
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if (!newChildQueues.containsKey(queueName)) {
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currentChildQueues.remove(queueName);
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}
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}
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// Re-sort all queues
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childQueues.clear();
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childQueues.addAll(currentChildQueues.values());
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@ -20,6 +20,7 @@ package org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity;
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import static org.junit.Assert.assertEquals;
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import static org.junit.Assert.assertFalse;
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import static org.junit.Assert.assertNull;
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import static org.junit.Assert.assertTrue;
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import static org.junit.Assert.fail;
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import static org.mockito.Mockito.mock;
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@ -115,13 +116,9 @@ import org.apache.hadoop.yarn.server.resourcemanager.rmnode.RMNodeResourceUpdate
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import org.apache.hadoop.yarn.server.resourcemanager.scheduler.AbstractYarnScheduler;
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import org.apache.hadoop.yarn.server.resourcemanager.scheduler.Allocation;
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import org.apache.hadoop.yarn.server.resourcemanager.scheduler.ContainerUpdates;
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import org.apache.hadoop.yarn.server.resourcemanager.scheduler.event.
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ContainerExpiredSchedulerEvent;
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import org.apache.hadoop.yarn.server.resourcemanager.scheduler.ResourceScheduler;
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import org.apache.hadoop.yarn.server.resourcemanager.scheduler.SchedulerApplication;
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import org.apache.hadoop.yarn.server.resourcemanager.scheduler.SchedulerApplicationAttempt;
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import org.apache.hadoop.yarn.server.scheduler.SchedulerRequestKey;
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import org.apache.hadoop.yarn.server.resourcemanager.scheduler.SchedulerNode;
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import org.apache.hadoop.yarn.server.resourcemanager.scheduler.SchedulerNodeReport;
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import org.apache.hadoop.yarn.server.resourcemanager.scheduler.TestSchedulerUtils;
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@ -131,6 +128,8 @@ import org.apache.hadoop.yarn.server.resourcemanager.scheduler.common.fica.FiCaS
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import org.apache.hadoop.yarn.server.resourcemanager.scheduler.event.AppAddedSchedulerEvent;
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import org.apache.hadoop.yarn.server.resourcemanager.scheduler.event.AppAttemptAddedSchedulerEvent;
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import org.apache.hadoop.yarn.server.resourcemanager.scheduler.event.AppAttemptRemovedSchedulerEvent;
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import org.apache.hadoop.yarn.server.resourcemanager.scheduler.event.
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ContainerExpiredSchedulerEvent;
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import org.apache.hadoop.yarn.server.resourcemanager.scheduler.event.NodeAddedSchedulerEvent;
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import org.apache.hadoop.yarn.server.resourcemanager.scheduler.event.NodeRemovedSchedulerEvent;
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import org.apache.hadoop.yarn.server.resourcemanager.scheduler.event.NodeUpdateSchedulerEvent;
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@ -144,6 +143,7 @@ import org.apache.hadoop.yarn.server.resourcemanager.webapp.dao.CapacitySchedule
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import org.apache.hadoop.yarn.server.resourcemanager.webapp.dao.CapacitySchedulerLeafQueueInfo;
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import org.apache.hadoop.yarn.server.resourcemanager.webapp.dao.CapacitySchedulerQueueInfo;
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import org.apache.hadoop.yarn.server.resourcemanager.webapp.dao.CapacitySchedulerQueueInfoList;
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import org.apache.hadoop.yarn.server.scheduler.SchedulerRequestKey;
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import org.apache.hadoop.yarn.server.utils.BuilderUtils;
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import org.apache.hadoop.yarn.util.resource.DefaultResourceCalculator;
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import org.apache.hadoop.yarn.util.resource.DominantResourceCalculator;
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@ -395,6 +395,16 @@ public class TestCapacityScheduler {
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resourceManager.getResourceScheduler().handle(nodeUpdate);
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}
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/**
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* @param conf
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* @return
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* root
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* / \
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* a b
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* / \ / | \
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* a1 a2 b1 b2 b3
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*
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*/
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private CapacitySchedulerConfiguration setupQueueConfiguration(
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CapacitySchedulerConfiguration conf) {
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@ -423,6 +433,67 @@ public class TestCapacityScheduler {
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return conf;
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}
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/**
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* @param conf, to be modified
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* @return, CS configuration which has deleted a queue(b1)
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* root
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* / \
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* a b
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* / \ | \
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* a1 a2 b2 b3
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*/
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private CapacitySchedulerConfiguration setupQueueConfigurationWithOutB1(
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CapacitySchedulerConfiguration conf) {
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// Define top-level queues
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conf.setQueues(CapacitySchedulerConfiguration.ROOT,
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new String[] { "a", "b" });
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conf.setCapacity(A, A_CAPACITY);
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conf.setCapacity(B, B_CAPACITY);
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// Define 2nd-level queues
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conf.setQueues(A, new String[] { "a1", "a2" });
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conf.setCapacity(A1, A1_CAPACITY);
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conf.setUserLimitFactor(A1, 100.0f);
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conf.setCapacity(A2, A2_CAPACITY);
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conf.setUserLimitFactor(A2, 100.0f);
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conf.setQueues(B, new String[] { "b2", "b3" });
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conf.setCapacity(B2, B2_CAPACITY + B1_CAPACITY); //as B1 is deleted
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conf.setUserLimitFactor(B2, 100.0f);
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conf.setCapacity(B3, B3_CAPACITY);
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conf.setUserLimitFactor(B3, 100.0f);
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LOG.info("Setup top-level queues a and b (without b3)");
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return conf;
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}
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/**
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* @param conf, to be modified
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* @return, CS configuration which has deleted a
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* Parent queue(b)
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*/
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private CapacitySchedulerConfiguration setupQueueConfigurationWithOutB(
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CapacitySchedulerConfiguration conf) {
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// Define top-level queues
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conf.setQueues(CapacitySchedulerConfiguration.ROOT, new String[] { "a" });
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conf.setCapacity(A, A_CAPACITY + B_CAPACITY);
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// Define 2nd-level queues
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conf.setQueues(A, new String[] { "a1", "a2" });
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conf.setCapacity(A1, A1_CAPACITY);
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conf.setUserLimitFactor(A1, 100.0f);
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conf.setCapacity(A2, A2_CAPACITY);
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conf.setUserLimitFactor(A2, 100.0f);
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LOG.info("Setup top-level queues a");
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return conf;
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}
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private CapacitySchedulerConfiguration setupBlockedQueueConfiguration(
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CapacitySchedulerConfiguration conf) {
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@ -3758,4 +3829,117 @@ public class TestCapacityScheduler {
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Assert.assertArrayEquals(new int[][] { { 1, 0, 0 }, { 0, 1, 0 }, { 0, 0, 1 } },
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attemptMetrics.getLocalityStatistics());
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}
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/**
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* Test for queue deletion.
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* @throws Exception
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*/
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@Test
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public void testRefreshQueuesWithQueueDelete() throws Exception {
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CapacityScheduler cs = new CapacityScheduler();
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CapacitySchedulerConfiguration conf = new CapacitySchedulerConfiguration();
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RMContextImpl rmContext = new RMContextImpl(null, null, null, null, null,
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null, new RMContainerTokenSecretManager(conf),
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new NMTokenSecretManagerInRM(conf),
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new ClientToAMTokenSecretManagerInRM(), null);
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setupQueueConfiguration(conf);
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cs.setConf(new YarnConfiguration());
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cs.setRMContext(resourceManager.getRMContext());
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cs.init(conf);
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cs.start();
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cs.reinitialize(conf, rmContext);
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checkQueueCapacities(cs, A_CAPACITY, B_CAPACITY);
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// test delete leaf queue when there is application running.
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Map<String, CSQueue> queues =
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cs.getCapacitySchedulerQueueManager().getQueues();
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String b1QTobeDeleted = "b1";
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LeafQueue csB1Queue = Mockito.spy((LeafQueue) queues.get(b1QTobeDeleted));
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when(csB1Queue.getState()).thenReturn(QueueState.DRAINING)
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.thenReturn(QueueState.STOPPED);
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queues.put(b1QTobeDeleted, csB1Queue);
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conf = new CapacitySchedulerConfiguration();
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setupQueueConfigurationWithOutB1(conf);
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try {
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cs.reinitialize(conf, mockContext);
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fail("Expected to throw exception when refresh queue tries to delete a"
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+ " queue with running apps");
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} catch (IOException e) {
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// ignore
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}
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// test delete leaf queue(root.b.b1) when there is no application running.
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conf = new CapacitySchedulerConfiguration();
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setupQueueConfigurationWithOutB1(conf);
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try {
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cs.reinitialize(conf, mockContext);
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} catch (IOException e) {
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fail("Expected to NOT throw exception when refresh queue tries to delete"
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+ " a queue WITHOUT running apps");
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}
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CSQueue rootQueue = cs.getRootQueue();
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CSQueue queueB = findQueue(rootQueue, B);
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CSQueue queueB3 = findQueue(queueB, B1);
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assertNull("Refresh needs to support delete of leaf queue ", queueB3);
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// reset back to default configuration for testing parent queue delete
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conf = new CapacitySchedulerConfiguration();
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setupQueueConfiguration(conf);
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||||
cs.reinitialize(conf, rmContext);
|
||||
checkQueueCapacities(cs, A_CAPACITY, B_CAPACITY);
|
||||
|
||||
// set the configurations such that it fails once but should be successfull
|
||||
// next time
|
||||
queues = cs.getCapacitySchedulerQueueManager().getQueues();
|
||||
CSQueue bQueue = Mockito.spy((ParentQueue) queues.get("b"));
|
||||
when(bQueue.getState()).thenReturn(QueueState.DRAINING)
|
||||
.thenReturn(QueueState.STOPPED);
|
||||
queues.put("b", bQueue);
|
||||
|
||||
bQueue = Mockito.spy((LeafQueue) queues.get("b1"));
|
||||
when(bQueue.getState()).thenReturn(QueueState.STOPPED);
|
||||
queues.put("b1", bQueue);
|
||||
|
||||
bQueue = Mockito.spy((LeafQueue) queues.get("b2"));
|
||||
when(bQueue.getState()).thenReturn(QueueState.STOPPED);
|
||||
queues.put("b2", bQueue);
|
||||
|
||||
bQueue = Mockito.spy((LeafQueue) queues.get("b3"));
|
||||
when(bQueue.getState()).thenReturn(QueueState.STOPPED);
|
||||
queues.put("b3", bQueue);
|
||||
|
||||
// test delete Parent queue when there is application running.
|
||||
conf = new CapacitySchedulerConfiguration();
|
||||
setupQueueConfigurationWithOutB(conf);
|
||||
try {
|
||||
cs.reinitialize(conf, mockContext);
|
||||
fail("Expected to throw exception when refresh queue tries to delete a"
|
||||
+ " parent queue with running apps in children queue");
|
||||
} catch (IOException e) {
|
||||
// ignore
|
||||
}
|
||||
|
||||
// test delete Parent queue when there is no application running.
|
||||
conf = new CapacitySchedulerConfiguration();
|
||||
setupQueueConfigurationWithOutB(conf);
|
||||
try {
|
||||
cs.reinitialize(conf, mockContext);
|
||||
} catch (IOException e) {
|
||||
fail("Expected to not throw exception when refresh queue tries to delete"
|
||||
+ " a queue without running apps");
|
||||
}
|
||||
rootQueue = cs.getRootQueue();
|
||||
queueB = findQueue(rootQueue, B);
|
||||
String message =
|
||||
"Refresh needs to support delete of Parent queue and its children.";
|
||||
assertNull(message, queueB);
|
||||
assertNull(message,
|
||||
cs.getCapacitySchedulerQueueManager().getQueues().get("b"));
|
||||
assertNull(message,
|
||||
cs.getCapacitySchedulerQueueManager().getQueues().get("b1"));
|
||||
assertNull(message,
|
||||
cs.getCapacitySchedulerQueueManager().getQueues().get("b2"));
|
||||
|
||||
cs.stop();
|
||||
}
|
||||
}
|
||||
|
|
|
|||
Loading…
Reference in New Issue