| /** |
| * 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.common.fica; |
| |
| 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.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.scheduler.SchedulerRequestKey; |
| import org.apache.hadoop.yarn.server.resourcemanager.scheduler.SchedulerNode; |
| import org.apache.hadoop.yarn.util.resource.Resources; |
| |
| import java.util.Collections; |
| 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) { |
| super(node, usePortForNodeName, nodeLabels); |
| } |
| |
| public FiCaSchedulerNode(RMNode node, boolean usePortForNodeName) { |
| this(node, usePortForNodeName, CommonNodeLabelsManager.EMPTY_STRING_SET); |
| } |
| |
| @Override |
| public synchronized void reserveResource( |
| SchedulerApplicationAttempt application, SchedulerRequestKey priority, |
| RMContainer container) { |
| // Check if it's already reserved |
| RMContainer reservedContainer = getReservedContainer(); |
| if (reservedContainer != null) { |
| // Sanity check |
| if (!container.getContainer().getNodeId().equals(getNodeID())) { |
| throw new IllegalStateException("Trying to reserve" + |
| " container " + container + |
| " on node " + container.getReservedNode() + |
| " when currently" + " reserved resource " + reservedContainer + |
| " on node " + reservedContainer.getReservedNode()); |
| } |
| |
| // Cannot reserve more than one application attempt on a given node! |
| // Reservation is still against attempt. |
| if (!reservedContainer.getContainer().getId().getApplicationAttemptId() |
| .equals(container.getContainer().getId().getApplicationAttemptId())) { |
| throw new IllegalStateException("Trying to reserve" + |
| " container " + container + |
| " for application " + application.getApplicationAttemptId() + |
| " when currently" + |
| " reserved container " + reservedContainer + |
| " on node " + this); |
| } |
| |
| if (LOG.isDebugEnabled()) { |
| LOG.debug("Updated reserved container " |
| + container.getContainer().getId() + " on node " + this |
| + " for application attempt " |
| + application.getApplicationAttemptId()); |
| } |
| } else { |
| if (LOG.isDebugEnabled()) { |
| LOG.debug("Reserved container " |
| + container.getContainer().getId() + " on node " + this |
| + " for application attempt " |
| + application.getApplicationAttemptId()); |
| } |
| } |
| setReservedContainer(container); |
| } |
| |
| @Override |
| public synchronized void unreserveResource( |
| SchedulerApplicationAttempt application) { |
| // adding NP checks as this can now be called for preemption |
| if (getReservedContainer() != null |
| && getReservedContainer().getContainer() != null |
| && getReservedContainer().getContainer().getId() != null |
| && getReservedContainer().getContainer().getId() |
| .getApplicationAttemptId() != null) { |
| |
| // Cannot unreserve for wrong application... |
| ApplicationAttemptId reservedApplication = |
| getReservedContainer().getContainer().getId() |
| .getApplicationAttemptId(); |
| if (!reservedApplication.equals( |
| application.getApplicationAttemptId())) { |
| throw new IllegalStateException("Trying to unreserve " + |
| " for application " + application.getApplicationAttemptId() + |
| " when currently reserved " + |
| " for application " + reservedApplication.getApplicationId() + |
| " on node " + this); |
| } |
| } |
| setReservedContainer(null); |
| } |
| |
| // According to decisions from preemption policy, mark the container to killable |
| public synchronized void markContainerToKillable(ContainerId containerId) { |
| RMContainer c = getContainer(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 = getContainer(containerId); |
| if (c != null && killableContainers.containsKey(containerId)) { |
| killableContainers.remove(containerId); |
| Resources.subtractFrom(totalKillableResources, c.getAllocatedResource()); |
| } |
| } |
| |
| @Override |
| protected synchronized void updateResourceForReleasedContainer( |
| Container container) { |
| super.updateResourceForReleasedContainer(container); |
| if (killableContainers.containsKey(container.getId())) { |
| Resources.subtractFrom(totalKillableResources, container.getResource()); |
| killableContainers.remove(container.getId()); |
| } |
| } |
| |
| public synchronized Resource getTotalKillableResources() { |
| return totalKillableResources; |
| } |
| |
| public synchronized Map<ContainerId, RMContainer> getKillableContainers() { |
| return Collections.unmodifiableMap(killableContainers); |
| } |
| } |