hadoop QueueAllocationSettings 源码

haddop QueueAllocationSettings 代码

文件路径：/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/QueueAllocationSettings.java

/*
 * 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.api.records.ResourceInformation;
import org.apache.hadoop.yarn.util.resource.ResourceUtils;
import org.apache.hadoop.yarn.util.resource.Resources;

import static org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.CapacitySchedulerConfiguration.UNDEFINED;

/**
 * This class determines minimum and maximum allocation settings based on the
 * {@link CapacitySchedulerConfiguration} and other queue
 * properties.
 **/
public class QueueAllocationSettings {
  private final Resource minimumAllocation;
  private Resource maximumAllocation;

  public QueueAllocationSettings(Resource minimumAllocation) {
    this.minimumAllocation = minimumAllocation;
  }

  void setupMaximumAllocation(CapacitySchedulerConfiguration configuration, String queuePath,
      CSQueue parent) {
    Resource clusterMax = ResourceUtils
        .fetchMaximumAllocationFromConfig(configuration);
    Resource queueMax = configuration.getQueueMaximumAllocation(queuePath);

    maximumAllocation = Resources.clone(
        parent == null ? clusterMax : parent.getMaximumAllocation());

    String errMsg =
        "Queue maximum allocation cannot be larger than the cluster setting"
            + " for queue " + queuePath
            + " max allocation per queue: %s"
            + " cluster setting: " + clusterMax;

    if (queueMax == Resources.none()) {
      // Handle backward compatibility
      long queueMemory = configuration.getQueueMaximumAllocationMb(queuePath);
      int queueVcores = configuration.getQueueMaximumAllocationVcores(queuePath);
      if (queueMemory != UNDEFINED) {
        maximumAllocation.setMemorySize(queueMemory);
      }

      if (queueVcores != UNDEFINED) {
        maximumAllocation.setVirtualCores(queueVcores);
      }

      if ((queueMemory != UNDEFINED && queueMemory > clusterMax.getMemorySize()
          || (queueVcores != UNDEFINED
          && queueVcores > clusterMax.getVirtualCores()))) {
        throw new IllegalArgumentException(
            String.format(errMsg, maximumAllocation));
      }
    } else {
      // Queue level maximum-allocation can't be larger than cluster setting
      for (ResourceInformation ri : queueMax.getResources()) {
        if (ri.compareTo(clusterMax.getResourceInformation(ri.getName())) > 0) {
          throw new IllegalArgumentException(String.format(errMsg, queueMax));
        }

        maximumAllocation.setResourceInformation(ri.getName(), ri);
      }
    }
  }

  public Resource getMinimumAllocation() {
    return minimumAllocation;
  }

  public Resource getMaximumAllocation() {
    return maximumAllocation;
  }
}

相关信息

hadoop 源码目录

相关文章

hadoop AbstractAutoCreatedLeafQueue 源码

hadoop AbstractCSQueue 源码

hadoop AbstractLeafQueue 源码

hadoop AbstractManagedParentQueue 源码

hadoop AppPriorityACLConfigurationParser 源码

hadoop AppPriorityACLGroup 源码

hadoop AutoCreatedLeafQueue 源码

hadoop AutoCreatedLeafQueueConfig 源码

hadoop AutoCreatedQueueDeletionPolicy 源码

hadoop AutoCreatedQueueManagementPolicy 源码