| /** |
| * 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.capacity; |
| |
| import org.apache.hadoop.yarn.api.records.Resource; |
| import org.apache.hadoop.yarn.server.resourcemanager.scheduler |
| .SchedulerDynamicEditException; |
| import org.apache.hadoop.yarn.server.resourcemanager.scheduler.common |
| .QueueEntitlement; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| import java.io.IOException; |
| |
| import static org.apache.hadoop.yarn.nodelabels.CommonNodeLabelsManager |
| .NO_LABEL; |
| |
| /** |
| * Abstract class for dynamic auto created queues managed by an implementation |
| * of AbstractManagedParentQueue |
| */ |
| public class AbstractAutoCreatedLeafQueue extends LeafQueue { |
| |
| protected AbstractManagedParentQueue parent; |
| |
| public AbstractAutoCreatedLeafQueue(CapacitySchedulerContext cs, |
| String queueName, AbstractManagedParentQueue parent, CSQueue old) |
| throws IOException { |
| super(cs, queueName, parent, old); |
| this.parent = parent; |
| } |
| |
| private static final Logger LOG = LoggerFactory.getLogger( |
| AbstractAutoCreatedLeafQueue.class); |
| |
| public AbstractAutoCreatedLeafQueue(CapacitySchedulerContext cs, |
| CapacitySchedulerConfiguration leafQueueConfigs, String queueName, |
| AbstractManagedParentQueue parent, CSQueue old) throws IOException { |
| super(cs, leafQueueConfigs, queueName, parent, old); |
| this.parent = parent; |
| } |
| |
| /** |
| * This methods to change capacity for a queue and adjusts its |
| * absoluteCapacity |
| * |
| * @param entitlement the new entitlement for the queue (capacity, |
| * maxCapacity, etc..) |
| * @throws SchedulerDynamicEditException |
| */ |
| public void setEntitlement(QueueEntitlement entitlement) |
| throws SchedulerDynamicEditException { |
| setEntitlement(NO_LABEL, entitlement); |
| } |
| |
| @Override |
| protected Resource getMinimumAbsoluteResource(String queuePath, |
| String label) { |
| return super.getMinimumAbsoluteResource(csContext.getConfiguration() |
| .getAutoCreatedQueueTemplateConfPrefix(this.getParent().getQueuePath()), |
| label); |
| } |
| |
| @Override |
| protected Resource getMaximumAbsoluteResource(String queuePath, |
| String label) { |
| return super.getMaximumAbsoluteResource(csContext.getConfiguration() |
| .getAutoCreatedQueueTemplateConfPrefix(this.getParent().getQueuePath()), |
| label); |
| } |
| |
| @Override |
| protected boolean checkConfigTypeIsAbsoluteResource(String queuePath, |
| String label) { |
| return super.checkConfigTypeIsAbsoluteResource(csContext.getConfiguration() |
| .getAutoCreatedQueueTemplateConfPrefix(this.getParent().getQueuePath()), |
| label); |
| } |
| |
| /** |
| * This methods to change capacity for a queue and adjusts its |
| * absoluteCapacity |
| * |
| * @param entitlement the new entitlement for the queue (capacity, |
| * maxCapacity, etc..) |
| * @throws SchedulerDynamicEditException |
| */ |
| public void setEntitlement(String nodeLabel, QueueEntitlement entitlement) |
| throws SchedulerDynamicEditException { |
| writeLock.lock(); |
| try { |
| float capacity = entitlement.getCapacity(); |
| if (capacity < 0 || capacity > 1.0f) { |
| throw new SchedulerDynamicEditException( |
| "Capacity demand is not in the [0,1] range: " + capacity); |
| } |
| setCapacity(nodeLabel, capacity); |
| setAbsoluteCapacity(nodeLabel, |
| getParent().getQueueCapacities(). |
| getAbsoluteCapacity(nodeLabel) |
| * getQueueCapacities().getCapacity(nodeLabel)); |
| // note: we currently set maxCapacity to capacity |
| // this might be revised later |
| setMaxCapacity(nodeLabel, entitlement.getMaxCapacity()); |
| LOG.debug("successfully changed to {} for queue {}", capacity, this |
| .getQueuePath()); |
| |
| //update queue used capacity etc |
| CSQueueUtils.updateQueueStatistics(resourceCalculator, |
| csContext.getClusterResource(), |
| this, labelManager, nodeLabel); |
| } finally { |
| writeLock.unlock(); |
| } |
| } |
| } |