| /* |
| * 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.drill.exec.resourcemgr.config; |
| |
| import org.apache.drill.exec.ops.QueryContext; |
| import org.apache.drill.exec.resourcemgr.config.selectors.ResourcePoolSelector; |
| |
| import java.util.List; |
| |
| /** |
| * Interface which defines an implementation of ResourcePool configuration for {@link ResourcePoolTree} |
| */ |
| public interface ResourcePool { |
| String getPoolName(); |
| |
| boolean isLeafPool(); |
| |
| boolean isDefaultPool(); |
| |
| // Only valid for leaf pool since it will have a queue assigned to it with this configuration |
| long getMaxQueryMemoryPerNode(); |
| |
| /** |
| * Evaluates this pool selector to see if the query can be admitted in this pool. If yes then evaluates all |
| * the child pools selectors as well. During traversal it builds the QueueAssignment result which consists of all |
| * the selected leaf pools and all rejected intermediate pools. |
| * @param assignmentResult |
| * @param queryContext |
| */ |
| void visitAndSelectPool(QueueAssignmentResult assignmentResult, QueryContext queryContext); |
| |
| /** |
| * @return Percentage of memory share assigned to this pool |
| */ |
| double getPoolMemoryShare(); |
| |
| long getPoolMemoryInMB(int numClusterNodes); |
| |
| /** |
| * Only valid for leaf pool. |
| * @return Returns queue configuration assigned to this leaf pool |
| */ |
| QueryQueueConfig getQueryQueue(); |
| |
| /** |
| * @return Full path of the resource pool from root to this pool |
| */ |
| String getFullPath(); |
| |
| ResourcePool getParentPool(); |
| |
| List<ResourcePool> getChildPools(); |
| |
| ResourcePoolSelector getSelector(); |
| } |