hadoop SchedulerOverviewInfo 源码

haddop SchedulerOverviewInfo 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/webapp/dao/SchedulerOverviewInfo.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.webapp.dao;

import org.apache.commons.lang3.StringUtils;
import org.apache.hadoop.yarn.api.records.ResourceTypeInfo;
import org.apache.hadoop.yarn.server.resourcemanager.scheduler.ResourceScheduler;
import org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.CapacityScheduler;
import org.apache.hadoop.yarn.server.resourcemanager.scheduler.fair.FairScheduler;
import org.apache.hadoop.yarn.server.resourcemanager.scheduler.fifo.FifoScheduler;
import org.apache.hadoop.yarn.util.resource.ResourceUtils;

import javax.xml.bind.annotation.XmlAccessType;
import javax.xml.bind.annotation.XmlAccessorType;
import javax.xml.bind.annotation.XmlRootElement;
import java.util.List;

@XmlRootElement(name = "scheduler")
@XmlAccessorType(XmlAccessType.FIELD)
public class SchedulerOverviewInfo {

  private String schedulerType;
  private String schedulingResourceType;
  private ResourceInfo minimumAllocation;
  private ResourceInfo maximumAllocation;
  private int applicationPriority;
  private int schedulerBusy;
  private int rmDispatcherEventQueueSize;
  private int schedulerDispatcherEventQueueSize;

  // JAXB needs this
  public SchedulerOverviewInfo() {

  }

  public SchedulerOverviewInfo(ResourceScheduler rs) {
    // Parse the schedule type
    this.schedulerType = getSchedulerName(rs);

    // Parse and allocate resource information
    this.minimumAllocation = new ResourceInfo(rs.getMinimumResourceCapability());
    this.maximumAllocation = new ResourceInfo(rs.getMaximumResourceCapability());

    // Parse App Priority
    this.applicationPriority = rs.getMaxClusterLevelAppPriority().getPriority();

    // Resolving resource types
    List<ResourceTypeInfo> resourceTypeInfos = ResourceUtils.getResourcesTypeInfo();
    resourceTypeInfos.sort((o1, o2) -> o1.getName().compareToIgnoreCase(o2.getName()));
    this.schedulingResourceType = StringUtils.join(resourceTypeInfos, ",");

    // clusterMetrics
    ClusterMetricsInfo clusterMetrics = new ClusterMetricsInfo(rs);
    this.schedulerBusy = clusterMetrics.getRmSchedulerBusyPercent();
    this.rmDispatcherEventQueueSize = clusterMetrics.getRmEventQueueSize();
    this.schedulerDispatcherEventQueueSize = clusterMetrics.getSchedulerEventQueueSize();
  }

  private static String getSchedulerName(ResourceScheduler rs) {
    if (rs instanceof CapacityScheduler) {
      return "Capacity Scheduler";
    }
    if (rs instanceof FairScheduler) {
      return "Fair Scheduler";
    }
    if (rs instanceof FifoScheduler) {
      return "Fifo Scheduler";
    }
    return rs.getClass().getSimpleName();
  }

  public String getSchedulerType() {
    return schedulerType;
  }

  public String getSchedulingResourceType() {
    return schedulingResourceType;
  }

  public ResourceInfo getMinimumAllocation() {
    return minimumAllocation;
  }

  public ResourceInfo getMaximumAllocation() {
    return maximumAllocation;
  }

  public int getApplicationPriority() {
    return applicationPriority;
  }

  public int getSchedulerBusy() {
    return schedulerBusy;
  }

  public int getRmDispatcherEventQueueSize() {
    return rmDispatcherEventQueueSize;
  }

  public int getSchedulerDispatcherEventQueueSize() {
    return schedulerDispatcherEventQueueSize;
  }
}

相关信息

hadoop 源码目录

相关文章

hadoop ActivitiesInfo 源码

hadoop ActivityNodeInfo 源码

hadoop AllocationTagInfo 源码

hadoop AllocationTagsInfo 源码

hadoop AppActivitiesInfo 源码

hadoop AppAllocationInfo 源码

hadoop AppAttemptInfo 源码

hadoop AppAttemptsInfo 源码

hadoop AppInfo 源码

hadoop AppPriority 源码