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Java HAState类代码示例

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.server.namenode.ha.HAState的典型用法代码示例。如果您正苦于以下问题:Java HAState类的具体用法?Java HAState怎么用?Java HAState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。



HAState类属于org.apache.hadoop.hdfs.server.namenode.ha包,在下文中一共展示了HAState类的9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: createHAState

import org.apache.hadoop.hdfs.server.namenode.ha.HAState; //导入依赖的package包/类
protected HAState createHAState(StartupOption startOpt) {
  if (!haEnabled || startOpt == StartupOption.UPGRADE 
      || startOpt == StartupOption.UPGRADEONLY) {
    return ACTIVE_STATE;
  } else {
    return STANDBY_STATE;
  }
}
 
开发者ID:naver,项目名称:hadoop,代码行数:9,代码来源:NameNode.java


示例2: testReplQueuesActiveAfterStartupSafemode

import org.apache.hadoop.hdfs.server.namenode.ha.HAState; //导入依赖的package包/类
@Test
public void testReplQueuesActiveAfterStartupSafemode() throws IOException, InterruptedException{
  Configuration conf = new Configuration();

  FSEditLog fsEditLog = Mockito.mock(FSEditLog.class);
  FSImage fsImage = Mockito.mock(FSImage.class);
  Mockito.when(fsImage.getEditLog()).thenReturn(fsEditLog);

  FSNamesystem fsNamesystem = new FSNamesystem(conf, fsImage);
  FSNamesystem fsn = Mockito.spy(fsNamesystem);

  //Make shouldPopulaeReplQueues return true
  HAContext haContext = Mockito.mock(HAContext.class);
  HAState haState = Mockito.mock(HAState.class);
  Mockito.when(haContext.getState()).thenReturn(haState);
  Mockito.when(haState.shouldPopulateReplQueues()).thenReturn(true);
  Whitebox.setInternalState(fsn, "haContext", haContext);

  //Make NameNode.getNameNodeMetrics() not return null
  NameNode.initMetrics(conf, NamenodeRole.NAMENODE);

  fsn.enterSafeMode(false);
  assertTrue("FSNamesystem didn't enter safemode", fsn.isInSafeMode());
  assertTrue("Replication queues were being populated during very first "
      + "safemode", !fsn.isPopulatingReplQueues());
  fsn.leaveSafeMode();
  assertTrue("FSNamesystem didn't leave safemode", !fsn.isInSafeMode());
  assertTrue("Replication queues weren't being populated even after leaving "
    + "safemode", fsn.isPopulatingReplQueues());
  fsn.enterSafeMode(false);
  assertTrue("FSNamesystem didn't enter safemode", fsn.isInSafeMode());
  assertTrue("Replication queues weren't being populated after entering "
    + "safemode 2nd time", fsn.isPopulatingReplQueues());
}
 
开发者ID:naver,项目名称:hadoop,代码行数:35,代码来源:TestFSNamesystem.java


示例3: testReplQueuesActiveAfterStartupSafemode

import org.apache.hadoop.hdfs.server.namenode.ha.HAState; //导入依赖的package包/类
@Test
public void testReplQueuesActiveAfterStartupSafemode() throws IOException, InterruptedException{
  Configuration conf = new Configuration();

  FSEditLog fsEditLog = Mockito.mock(FSEditLog.class);
  FSImage fsImage = Mockito.mock(FSImage.class);
  Mockito.when(fsImage.getEditLog()).thenReturn(fsEditLog);

  FSNamesystem fsNamesystem = new FSNamesystem(conf, fsImage);
  FSNamesystem fsn = Mockito.spy(fsNamesystem);
  BlockManager bm = fsn.getBlockManager();
  Whitebox.setInternalState(bm, "namesystem", fsn);

  //Make shouldPopulaeReplQueues return true
  HAContext haContext = Mockito.mock(HAContext.class);
  HAState haState = Mockito.mock(HAState.class);
  Mockito.when(haContext.getState()).thenReturn(haState);
  Mockito.when(haState.shouldPopulateReplQueues()).thenReturn(true);
  Mockito.when(fsn.getHAContext()).thenReturn(haContext);

  //Make NameNode.getNameNodeMetrics() not return null
  NameNode.initMetrics(conf, NamenodeRole.NAMENODE);

  fsn.enterSafeMode(false);
  assertTrue("FSNamesystem didn't enter safemode", fsn.isInSafeMode());
  assertTrue("Replication queues were being populated during very first "
      + "safemode", !bm.isPopulatingReplQueues());
  fsn.leaveSafeMode();
  assertTrue("FSNamesystem didn't leave safemode", !fsn.isInSafeMode());
  assertTrue("Replication queues weren't being populated even after leaving "
    + "safemode", bm.isPopulatingReplQueues());
  fsn.enterSafeMode(false);
  assertTrue("FSNamesystem didn't enter safemode", fsn.isInSafeMode());
  assertTrue("Replication queues weren't being populated after entering "
    + "safemode 2nd time", bm.isPopulatingReplQueues());
}
 
开发者ID:aliyun-beta,项目名称:aliyun-oss-hadoop-fs,代码行数:37,代码来源:TestFSNamesystem.java


示例4: createHAState

import org.apache.hadoop.hdfs.server.namenode.ha.HAState; //导入依赖的package包/类
@Override
protected HAState createHAState(StartupOption startOpt) {
  return new BackupState();
}
 
开发者ID:naver,项目名称:hadoop,代码行数:5,代码来源:BackupNode.java


示例5: setState

import org.apache.hadoop.hdfs.server.namenode.ha.HAState; //导入依赖的package包/类
@Override
public void setState(HAState s) {
  state = s;
}
 
开发者ID:naver,项目名称:hadoop,代码行数:5,代码来源:NameNode.java


示例6: getState

import org.apache.hadoop.hdfs.server.namenode.ha.HAState; //导入依赖的package包/类
@Override
public HAState getState() {
  return state;
}
 
开发者ID:naver,项目名称:hadoop,代码行数:5,代码来源:NameNode.java


示例7: createHAState

import org.apache.hadoop.hdfs.server.namenode.ha.HAState; //导入依赖的package包/类
protected HAState createHAState() {
  return new BackupState();
}
 
开发者ID:ict-carch,项目名称:hadoop-plus,代码行数:4,代码来源:BackupNode.java


示例8: createHAState

import org.apache.hadoop.hdfs.server.namenode.ha.HAState; //导入依赖的package包/类
protected HAState createHAState() {
  return !haEnabled ? ACTIVE_STATE : STANDBY_STATE;
}
 
开发者ID:ict-carch,项目名称:hadoop-plus,代码行数:4,代码来源:NameNode.java


示例9: createHaStatusHeartbeat

import org.apache.hadoop.hdfs.server.namenode.ha.HAState; //导入依赖的package包/类
private NNHAStatusHeartbeat createHaStatusHeartbeat() {
  HAState state = haContext.getState();
  return new NNHAStatusHeartbeat(state.getServiceState(),
      getFSImage().getLastAppliedOrWrittenTxId());
}
 
开发者ID:ict-carch,项目名称:hadoop-plus,代码行数:6,代码来源:FSNamesystem.java



注:本文中的org.apache.hadoop.hdfs.server.namenode.ha.HAState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。


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