本文整理了Java中org.apache.hadoop.yarn.api.records.YarnClusterMetrics.getNumLostNodeManagers()方法的一些代码示例，展示了YarnClusterMetrics.getNumLostNodeManagers()的具体用法。这些代码示例主要来源于Github/Stackoverflow/Maven等平台，是从一些精选项目中提取出来的代码，具有较强的参考意义，能在一定程度帮忙到你。YarnClusterMetrics.getNumLostNodeManagers()方法的具体详情如下：
包路径：org.apache.hadoop.yarn.api.records.YarnClusterMetrics
类名称：YarnClusterMetrics
方法名：getNumLostNodeManagers

YarnClusterMetrics.getNumLostNodeManagers介绍

[英]Get the number of LostNodeManagers in the cluster.
[中]获取群集中的LostNodeManager个数。

代码示例

代码示例来源：origin: org.apache.hadoop/hadoop-yarn-client

protected NodesInformation getNodesInfo() {
 NodesInformation nodeInfo = new NodesInformation();
 YarnClusterMetrics yarnClusterMetrics;
 try {
  yarnClusterMetrics = client.getYarnClusterMetrics();
 } catch (IOException ie) {
  LOG.error("Unable to fetch cluster metrics", ie);
  return nodeInfo;
 } catch (YarnException ye) {
  LOG.error("Unable to fetch cluster metrics", ye);
  return nodeInfo;
 }
 nodeInfo.decommissionedNodes =
   yarnClusterMetrics.getNumDecommissionedNodeManagers();
 nodeInfo.totalNodes = yarnClusterMetrics.getNumNodeManagers();
 nodeInfo.runningNodes = yarnClusterMetrics.getNumActiveNodeManagers();
 nodeInfo.lostNodes = yarnClusterMetrics.getNumLostNodeManagers();
 nodeInfo.unhealthyNodes = yarnClusterMetrics.getNumUnhealthyNodeManagers();
 nodeInfo.rebootedNodes = yarnClusterMetrics.getNumRebootedNodeManagers();
 return nodeInfo;
}

代码示例来源：origin: io.hops/hadoop-yarn-client

protected NodesInformation getNodesInfo() {
 NodesInformation nodeInfo = new NodesInformation();
 YarnClusterMetrics yarnClusterMetrics;
 try {
  yarnClusterMetrics = client.getYarnClusterMetrics();
 } catch (IOException ie) {
  LOG.error("Unable to fetch cluster metrics", ie);
  return nodeInfo;
 } catch (YarnException ye) {
  LOG.error("Unable to fetch cluster metrics", ye);
  return nodeInfo;
 }
 nodeInfo.decommissionedNodes =
   yarnClusterMetrics.getNumDecommissionedNodeManagers();
 nodeInfo.totalNodes = yarnClusterMetrics.getNumNodeManagers();
 nodeInfo.runningNodes = yarnClusterMetrics.getNumActiveNodeManagers();
 nodeInfo.lostNodes = yarnClusterMetrics.getNumLostNodeManagers();
 nodeInfo.unhealthyNodes = yarnClusterMetrics.getNumUnhealthyNodeManagers();
 nodeInfo.rebootedNodes = yarnClusterMetrics.getNumRebootedNodeManagers();
 return nodeInfo;
}

代码示例来源：origin: org.apache.hadoop/hadoop-yarn-server-router

public static GetClusterMetricsResponse merge(
   Collection<GetClusterMetricsResponse> responses) {
  YarnClusterMetrics tmp = YarnClusterMetrics.newInstance(0);
  for (GetClusterMetricsResponse response : responses) {
   YarnClusterMetrics metrics = response.getClusterMetrics();
   tmp.setNumNodeManagers(
     tmp.getNumNodeManagers() + metrics.getNumNodeManagers());
   tmp.setNumActiveNodeManagers(
     tmp.getNumActiveNodeManagers() + metrics.getNumActiveNodeManagers());
   tmp.setNumDecommissionedNodeManagers(
     tmp.getNumDecommissionedNodeManagers() + metrics
       .getNumDecommissionedNodeManagers());
   tmp.setNumLostNodeManagers(
     tmp.getNumLostNodeManagers() + metrics.getNumLostNodeManagers());
   tmp.setNumRebootedNodeManagers(tmp.getNumRebootedNodeManagers() + metrics
     .getNumRebootedNodeManagers());
   tmp.setNumUnhealthyNodeManagers(
     tmp.getNumUnhealthyNodeManagers() + metrics
       .getNumUnhealthyNodeManagers());
  }
  return GetClusterMetricsResponse.newInstance(tmp);
 }
}