Java TestDFSUpgradeFromImage类代码示例

OStack程序员社区-中国程序员成长平台 › 门户 › 编程› Java›Java编程经验

原作者: [db:作者] 来自: [db:来源] 收藏邀请

本文整理汇总了Java中org.apache.hadoop.hdfs.TestDFSUpgradeFromImage类的典型用法代码示例。如果您正苦于以下问题：Java TestDFSUpgradeFromImage类的具体用法？Java TestDFSUpgradeFromImage怎么用？Java TestDFSUpgradeFromImage使用的例子？那么恭喜您, 这里精选的类代码示例或许可以为您提供帮助。

TestDFSUpgradeFromImage类属于org.apache.hadoop.hdfs包，在下文中一共展示了TestDFSUpgradeFromImage类的3个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于我们的系统推荐出更棒的Java代码示例。

示例1: testDistributedUpgrade

import org.apache.hadoop.hdfs.TestDFSUpgradeFromImage; //导入依赖的package包/类
/**
 */
public void testDistributedUpgrade() throws Exception {
  int numDirs = 1;
  TestDFSUpgradeFromImage testImg = new TestDFSUpgradeFromImage();
  testImg.unpackStorage();
  int numDNs = testImg.numDataNodes;

  // register new upgrade objects (ignore all existing)
  UpgradeObjectCollection.initialize();
  UpgradeObjectCollection.registerUpgrade(new UO_Datanode1());
  UpgradeObjectCollection.registerUpgrade(new UO_Namenode1());
  UpgradeObjectCollection.registerUpgrade(new UO_Datanode2());
  UpgradeObjectCollection.registerUpgrade(new UO_Namenode2());
  UpgradeObjectCollection.registerUpgrade(new UO_Datanode3());
  UpgradeObjectCollection.registerUpgrade(new UO_Namenode3());

  conf = new Configuration();
  if (System.getProperty("test.build.data") == null) { // to test to be run outside of ant
    System.setProperty("test.build.data", "build/test/data");
  }
  conf.setInt("dfs.datanode.scan.period.hours", -1); // block scanning off

  log("NameNode start in regular mode when dustributed upgrade is required", numDirs);
  startNameNodeShouldFail(StartupOption.REGULAR);

  log("Start NameNode only distributed upgrade", numDirs);
  // cluster = new MiniDFSCluster(conf, 0, StartupOption.UPGRADE);
  cluster = new MiniDFSCluster(0, conf, 0, false, true,
                                StartupOption.UPGRADE, null);
  cluster.shutdown();

  log("NameNode start in regular mode when dustributed upgrade has been started", numDirs);
  startNameNodeShouldFail(StartupOption.REGULAR);

  log("NameNode rollback to the old version that require a dustributed upgrade", numDirs);
  startNameNodeShouldFail(StartupOption.ROLLBACK);

  log("Normal distributed upgrade for the cluster", numDirs);
  cluster = new MiniDFSCluster(0, conf, numDNs, false, true,
                                StartupOption.UPGRADE, null);
  DFSAdmin dfsAdmin = new DFSAdmin();
  dfsAdmin.setConf(conf);
  dfsAdmin.run(new String[] {"-safemode", "wait"});
  dfsAdmin.run(new String[] {"-finalizeUpgrade"});
  cluster.shutdown();

  // it should be ok to start in regular mode
  log("NameCluster regular startup after the upgrade", numDirs);
  cluster = new MiniDFSCluster(0, conf, numDNs, false, true,
                                StartupOption.REGULAR, null);
  cluster.waitActive();
  cluster.shutdown();
}

开发者ID:rhli，项目名称:hadoop-EAR，代码行数:55，代码来源:TestDistributedUpgrade.java

示例2: testDistributedUpgrade

import org.apache.hadoop.hdfs.TestDFSUpgradeFromImage; //导入依赖的package包/类
/**
 */
public void testDistributedUpgrade() throws Exception {
  int numDirs = 1;
  TestDFSUpgradeFromImage testImg = new TestDFSUpgradeFromImage();
  testImg.unpackStorage();
  int numDNs = testImg.numDataNodes;

  // register new upgrade objects (ignore all existing)
  UpgradeObjectCollection.initialize();
  UpgradeObjectCollection.registerUpgrade(new UO_Datanode1());
  UpgradeObjectCollection.registerUpgrade(new UO_Namenode1());
  UpgradeObjectCollection.registerUpgrade(new UO_Datanode2());
  UpgradeObjectCollection.registerUpgrade(new UO_Namenode2());
  UpgradeObjectCollection.registerUpgrade(new UO_Datanode3());
  UpgradeObjectCollection.registerUpgrade(new UO_Namenode3());

  conf = new Configuration();
  if (System.getProperty("test.build.data") == null) { // to test to be run outside of ant
    System.setProperty("test.build.data", "build/test/data");
  }
  conf.setInt("dfs.datanode.scan.period.hours", -1); // block scanning off

  log("NameNode start in regular mode when dustributed upgrade is required", numDirs);
  startNameNodeShouldFail(StartupOption.REGULAR);

  log("Start NameNode only distributed upgrade", numDirs);
  // cluster = new MiniDFSCluster(conf, 0, StartupOption.UPGRADE);
  cluster = new MiniDFSCluster(0, conf, 0, false, true,
                                StartupOption.UPGRADE, null);
  cluster.shutdown();

  log("NameNode start in regular mode when dustributed upgrade has been started", numDirs);
  startNameNodeShouldFail(StartupOption.REGULAR);

  log("NameNode rollback to the old version that require a dustributed upgrade", numDirs);
  startNameNodeShouldFail(StartupOption.ROLLBACK);

  log("Normal distributed upgrade for the cluster", numDirs);
  cluster = new MiniDFSCluster(0, conf, numDNs, false, true,
                                StartupOption.UPGRADE, null);
  DFSAdmin dfsAdmin = new DFSAdmin();
  dfsAdmin.setConf(conf);
  dfsAdmin.run(new String[] {"-safemode", "wait"});
  cluster.shutdown();

  // it should be ok to start in regular mode
  log("NameCluster regular startup after the upgrade", numDirs);
  cluster = new MiniDFSCluster(0, conf, numDNs, false, true,
                                StartupOption.REGULAR, null);
  cluster.waitActive();
  cluster.shutdown();
}

开发者ID:Seagate，项目名称:hadoop-on-lustre，代码行数:54，代码来源:TestDistributedUpgrade.java

示例3: testDistributedUpgrade

import org.apache.hadoop.hdfs.TestDFSUpgradeFromImage; //导入依赖的package包/类
/**
 */
public void testDistributedUpgrade() throws Exception {
  int numDirs = 1;
  TestDFSUpgradeFromImage testImg = new TestDFSUpgradeFromImage();
  testImg.unpackStorage();
  int numDNs = testImg.numDataNodes;

  // register new upgrade objects (ignore all existing)
  UpgradeObjectCollection.initialize();
  UpgradeObjectCollection.registerUpgrade(new UO_Datanode1());
  UpgradeObjectCollection.registerUpgrade(new UO_Namenode1());
  UpgradeObjectCollection.registerUpgrade(new UO_Datanode2());
  UpgradeObjectCollection.registerUpgrade(new UO_Namenode2());
  UpgradeObjectCollection.registerUpgrade(new UO_Datanode3());
  UpgradeObjectCollection.registerUpgrade(new UO_Namenode3());

  conf = new HdfsConfiguration();
  if (System.getProperty("test.build.data") == null) { // to test to be run outside of ant
    System.setProperty("test.build.data", "build/test/data");
  }
  conf.setInt("dfs.datanode.scan.period.hours", -1); // block scanning off

  log("NameNode start in regular mode when dustributed upgrade is required", numDirs);
  startNameNodeShouldFail(StartupOption.REGULAR);

  log("Start NameNode only distributed upgrade", numDirs);
  // cluster = new MiniDFSCluster.Builder(conf).numDataNodes(0).format(false)
  // .startupOption(StartupOption.UPGRADE).build();
  cluster = new MiniDFSCluster.Builder(conf).numDataNodes(0)
                                            .format(false)
                                            .startupOption(StartupOption.UPGRADE)
                                            .build();
  cluster.shutdown();

  log("NameNode start in regular mode when dustributed upgrade has been started", numDirs);
  startNameNodeShouldFail(StartupOption.REGULAR);

  log("NameNode rollback to the old version that require a dustributed upgrade", numDirs);
  startNameNodeShouldFail(StartupOption.ROLLBACK);

  log("Normal distributed upgrade for the cluster", numDirs);
  cluster = new MiniDFSCluster.Builder(conf)
                              .numDataNodes(numDNs)
                              .format(false)
                              .startupOption(StartupOption.UPGRADE)
                              .build();
  DFSAdmin dfsAdmin = new DFSAdmin();
  dfsAdmin.setConf(conf);
  dfsAdmin.run(new String[] {"-safemode", "wait"});
  cluster.shutdown();

  // it should be ok to start in regular mode
  log("NameCluster regular startup after the upgrade", numDirs);
  cluster = new MiniDFSCluster.Builder(conf)
                              .numDataNodes(numDNs)
                              .format(false)
                              .startupOption(StartupOption.REGULAR)
                              .build();

  cluster.waitActive();
  cluster.shutdown();
}

开发者ID:cumulusyebl，项目名称:cumulus，代码行数:64，代码来源:TestDistributedUpgrade.java

注：本文中的org.apache.hadoop.hdfs.TestDFSUpgradeFromImage类示例整理自Github/MSDocs等源码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。