| /** |
| * 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 java.util.ArrayList; |
| import java.util.List; |
| |
| import javax.xml.bind.annotation.XmlAccessType; |
| import javax.xml.bind.annotation.XmlAccessorType; |
| import javax.xml.bind.annotation.XmlRootElement; |
| |
| import org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.QueueCapacities; |
| |
| /** |
| * DAO which wraps PartitionQueueCapacitiesInfo applicable for a queue |
| */ |
| @XmlRootElement |
| @XmlAccessorType(XmlAccessType.FIELD) |
| public class QueueCapacitiesInfo { |
| protected List<PartitionQueueCapacitiesInfo> queueCapacitiesByPartition = |
| new ArrayList<>(); |
| |
| public QueueCapacitiesInfo() { |
| } |
| |
| public QueueCapacitiesInfo(QueueCapacities capacities, |
| boolean considerAMUsage) { |
| if (capacities == null) { |
| return; |
| } |
| float capacity; |
| float usedCapacity; |
| float maxCapacity; |
| float absCapacity; |
| float absUsedCapacity; |
| float absMaxCapacity; |
| Float maxAMLimitPercentage; |
| for (String partitionName : capacities.getExistingNodeLabels()) { |
| usedCapacity = capacities.getUsedCapacity(partitionName) * 100; |
| capacity = capacities.getCapacity(partitionName) * 100; |
| maxCapacity = capacities.getMaximumCapacity(partitionName); |
| absCapacity = CapacitySchedulerQueueInfo |
| .cap(capacities.getAbsoluteCapacity(partitionName), 0f, 1f) * 100; |
| absUsedCapacity = CapacitySchedulerQueueInfo |
| .cap(capacities.getAbsoluteUsedCapacity(partitionName), 0f, 1f) * 100; |
| absMaxCapacity = CapacitySchedulerQueueInfo.cap( |
| capacities.getAbsoluteMaximumCapacity(partitionName), 0f, 1f) * 100; |
| maxAMLimitPercentage = capacities |
| .getMaxAMResourcePercentage(partitionName) * 100; |
| if (maxCapacity < CapacitySchedulerQueueInfo.EPSILON || maxCapacity > 1f) |
| maxCapacity = 1f; |
| maxCapacity = maxCapacity * 100; |
| queueCapacitiesByPartition.add(new PartitionQueueCapacitiesInfo( |
| partitionName, capacity, usedCapacity, maxCapacity, absCapacity, |
| absUsedCapacity, absMaxCapacity, |
| considerAMUsage ? maxAMLimitPercentage : null)); |
| } |
| } |
| |
| public QueueCapacitiesInfo(QueueCapacities capacities) { |
| this(capacities, true); |
| } |
| |
| public void add(PartitionQueueCapacitiesInfo partitionQueueCapacitiesInfo) { |
| queueCapacitiesByPartition.add(partitionQueueCapacitiesInfo); |
| } |
| |
| public List<PartitionQueueCapacitiesInfo> getQueueCapacitiesByPartition() { |
| return queueCapacitiesByPartition; |
| } |
| |
| public void setQueueCapacitiesByPartition( |
| List<PartitionQueueCapacitiesInfo> capacities) { |
| this.queueCapacitiesByPartition = capacities; |
| } |
| |
| public PartitionQueueCapacitiesInfo getPartitionQueueCapacitiesInfo( |
| String partitionName) { |
| for (PartitionQueueCapacitiesInfo partitionQueueCapacitiesInfo : queueCapacitiesByPartition) { |
| if (partitionQueueCapacitiesInfo.getPartitionName() |
| .equals(partitionName)) { |
| return partitionQueueCapacitiesInfo; |
| } |
| } |
| return new PartitionQueueCapacitiesInfo(); |
| } |
| } |