| /** |
| * 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.webapp.dao; |
| |
| import javax.xml.bind.annotation.XmlAccessType; |
| import javax.xml.bind.annotation.XmlAccessorType; |
| import javax.xml.bind.annotation.XmlRootElement; |
| import javax.xml.bind.annotation.XmlTransient; |
| import javax.xml.bind.annotation.XmlType; |
| |
| import org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.CSQueue; |
| import org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.CapacityScheduler; |
| import org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.LeafQueue; |
| |
| import java.util.ArrayList; |
| import java.util.List; |
| |
| @XmlRootElement(name = "capacityScheduler") |
| @XmlType(name = "capacityScheduler") |
| @XmlAccessorType(XmlAccessType.FIELD) |
| public class CapacitySchedulerInfo extends SchedulerInfo { |
| |
| protected float capacity; |
| protected float usedCapacity; |
| protected float maxCapacity; |
| protected String queueName; |
| protected CapacitySchedulerQueueInfoList queues; |
| protected QueueCapacitiesInfo capacities; |
| protected CapacitySchedulerHealthInfo health; |
| |
| @XmlTransient |
| static final float EPSILON = 1e-8f; |
| |
| public CapacitySchedulerInfo() { |
| } // JAXB needs this |
| |
| public CapacitySchedulerInfo(CSQueue parent, CapacityScheduler cs) { |
| this.queueName = parent.getQueueName(); |
| this.usedCapacity = parent.getUsedCapacity() * 100; |
| this.capacity = parent.getCapacity() * 100; |
| float max = parent.getMaximumCapacity(); |
| if (max < EPSILON || max > 1f) |
| max = 1f; |
| this.maxCapacity = max * 100; |
| |
| capacities = new QueueCapacitiesInfo(parent.getQueueCapacities(), false); |
| queues = getQueues(parent); |
| health = new CapacitySchedulerHealthInfo(cs); |
| } |
| |
| public float getCapacity() { |
| return this.capacity; |
| } |
| |
| public float getUsedCapacity() { |
| return this.usedCapacity; |
| } |
| |
| public QueueCapacitiesInfo getCapacities() { |
| return capacities; |
| } |
| |
| public float getMaxCapacity() { |
| return this.maxCapacity; |
| } |
| |
| public String getQueueName() { |
| return this.queueName; |
| } |
| |
| public CapacitySchedulerQueueInfoList getQueues() { |
| return this.queues; |
| } |
| |
| protected CapacitySchedulerQueueInfoList getQueues(CSQueue parent) { |
| CapacitySchedulerQueueInfoList queuesInfo = |
| new CapacitySchedulerQueueInfoList(); |
| // JAXB marashalling leads to situation where the "type" field injected |
| // for JSON changes from string to array depending on order of printing |
| // Issue gets fixed if all the leaf queues are marshalled before the |
| // non-leaf queues. See YARN-4785 for more details. |
| List<CSQueue> childQueues = new ArrayList<>(); |
| List<CSQueue> childLeafQueues = new ArrayList<>(); |
| List<CSQueue> childNonLeafQueues = new ArrayList<>(); |
| for (CSQueue queue : parent.getChildQueues()) { |
| if (queue instanceof LeafQueue) { |
| childLeafQueues.add(queue); |
| } else { |
| childNonLeafQueues.add(queue); |
| } |
| } |
| childQueues.addAll(childLeafQueues); |
| childQueues.addAll(childNonLeafQueues); |
| |
| for (CSQueue queue : childQueues) { |
| CapacitySchedulerQueueInfo info; |
| if (queue instanceof LeafQueue) { |
| info = new CapacitySchedulerLeafQueueInfo((LeafQueue) queue); |
| } else { |
| info = new CapacitySchedulerQueueInfo(queue); |
| info.queues = getQueues(queue); |
| } |
| queuesInfo.addToQueueInfoList(info); |
| } |
| return queuesInfo; |
| } |
| } |