9uapaw commented on a change in pull request #3470: URL: https://github.com/apache/hadoop/pull/3470#discussion_r797349575
########## File path: hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/CapacitySchedulerQueueCapacityHandler.java ########## @@ -0,0 +1,144 @@ +/** + * 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 + * <p> + * http://www.apache.org/licenses/LICENSE-2.0 + * <p> + * 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.commons.collections.CollectionUtils; +import org.apache.hadoop.yarn.api.records.Resource; +import org.apache.hadoop.yarn.server.resourcemanager.nodelabels.RMNodeLabelsManager; +import org.apache.hadoop.yarn.server.resourcemanager.scheduler.ResourceLimits; +import org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.QueueCapacityVector.ResourceUnitCapacityType; +import org.apache.hadoop.yarn.util.resource.ResourceUtils; +import org.slf4j.Logger; +import org.slf4j.LoggerFactory; + +import java.util.Collection; +import java.util.HashMap; +import java.util.HashSet; +import java.util.LinkedHashSet; +import java.util.Map; +import java.util.Set; + +import static org.apache.hadoop.yarn.api.records.ResourceInformation.MEMORY_URI; +import static org.apache.hadoop.yarn.api.records.ResourceInformation.VCORES_URI; +import static org.apache.hadoop.yarn.nodelabels.CommonNodeLabelsManager.NO_LABEL; +import static org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.CapacitySchedulerConfiguration.ROOT; + +/** + * Controls how capacity and resource values are set and calculated for a queue. + * Effective minimum and maximum resource values are set for each label and resource separately. + */ +public class CapacitySchedulerQueueCapacityHandler { + + private static final Logger LOG = + LoggerFactory.getLogger(CapacitySchedulerQueueCapacityHandler.class); + + private final Map<ResourceUnitCapacityType, AbstractQueueCapacityCalculator> + calculators; + private final AbstractQueueCapacityCalculator rootCalculator = + new RootQueueCapacityCalculator(); + private final RMNodeLabelsManager labelsManager; + private final Collection<String> definedResources = new LinkedHashSet<>(); + + public CapacitySchedulerQueueCapacityHandler(RMNodeLabelsManager labelsManager) { + this.calculators = new HashMap<>(); + this.labelsManager = labelsManager; + + this.calculators.put(ResourceUnitCapacityType.ABSOLUTE, + new AbsoluteResourceCapacityCalculator()); + this.calculators.put(ResourceUnitCapacityType.PERCENTAGE, + new PercentageQueueCapacityCalculator()); + this.calculators.put(ResourceUnitCapacityType.WEIGHT, + new WeightQueueCapacityCalculator()); + + loadResourceNames(); + } + + /** + * Updates the resource and metrics values for a queue, its siblings and descendants. + * These values are calculated at runtime. + * Review comment: It is done and renamed the method to reflect the real intention of the logic (namely iterate through the children of the given queue). -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: [email protected] For queries about this service, please contact Infrastructure at: [email protected] --------------------------------------------------------------------- To unsubscribe, e-mail: [email protected] For additional commands, e-mail: [email protected]
