| /** |
| * 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.monitor.capacity; |
| |
| import org.apache.hadoop.classification.InterfaceStability.Unstable; |
| import org.apache.hadoop.yarn.api.records.ContainerId; |
| import org.apache.hadoop.yarn.api.records.Resource; |
| import org.apache.hadoop.yarn.server.resourcemanager.RMContext; |
| import org.apache.hadoop.yarn.server.resourcemanager.monitor.capacity.ProportionalCapacityPreemptionPolicy.IntraQueuePreemptionOrderPolicy; |
| import org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.CapacityScheduler; |
| import org.apache.hadoop.yarn.util.resource.ResourceCalculator; |
| |
| import java.util.Collection; |
| import java.util.LinkedHashSet; |
| import java.util.Set; |
| |
| interface CapacitySchedulerPreemptionContext { |
| CapacityScheduler getScheduler(); |
| |
| TempQueuePerPartition getQueueByPartition(String queueName, |
| String partition); |
| |
| Collection<TempQueuePerPartition> getQueuePartitions(String queueName); |
| |
| ResourceCalculator getResourceCalculator(); |
| |
| RMContext getRMContext(); |
| |
| boolean isObserveOnly(); |
| |
| Set<ContainerId> getKillableContainers(); |
| |
| double getMaxIgnoreOverCapacity(); |
| |
| double getNaturalTerminationFactor(); |
| |
| Set<String> getLeafQueueNames(); |
| |
| Set<String> getAllPartitions(); |
| |
| int getClusterMaxApplicationPriority(); |
| |
| Resource getPartitionResource(String partition); |
| |
| LinkedHashSet<String> getUnderServedQueuesPerPartition(String partition); |
| |
| void addPartitionToUnderServedQueues(String queueName, String partition); |
| |
| float getMinimumThresholdForIntraQueuePreemption(); |
| |
| float getMaxAllowableLimitForIntraQueuePreemption(); |
| |
| @Unstable |
| IntraQueuePreemptionOrderPolicy getIntraQueuePreemptionOrderPolicy(); |
| } |