Package org.apache.hadoop.hdfs.tools

Examples of org.apache.hadoop.hdfs.tools.DFSHAAdmin.run()

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  @Test(timeout=30000)
  public void testManualFailoverWithDFSHAAdmin() throws Exception {
    DFSHAAdmin tool = new DFSHAAdmin();
    tool.setConf(conf);
    assertEquals(0,
        tool.run(new String[]{"-failover", "nn1", "nn2"}));
    waitForHAState(0, HAServiceState.STANDBY);
    waitForHAState(1, HAServiceState.ACTIVE);
    assertEquals(0,
        tool.run(new String[]{"-failover", "nn2", "nn1"}));
    waitForHAState(0, HAServiceState.ACTIVE);
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    assertEquals(0,
        tool.run(new String[]{"-failover", "nn1", "nn2"}));
    waitForHAState(0, HAServiceState.STANDBY);
    waitForHAState(1, HAServiceState.ACTIVE);
    assertEquals(0,
        tool.run(new String[]{"-failover", "nn2", "nn1"}));
    waitForHAState(0, HAServiceState.ACTIVE);
    waitForHAState(1, HAServiceState.STANDBY);
  }
 
  private void waitForHAState(int nnidx, final HAServiceState state)
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  @Test(timeout=30000)
  public void testManualFailoverWithDFSHAAdmin() throws Exception {
    DFSHAAdmin tool = new DFSHAAdmin();
    tool.setConf(conf);
    assertEquals(0,
        tool.run(new String[]{"-failover", "nn1", "nn2"}));
    waitForHAState(0, HAServiceState.STANDBY);
    waitForHAState(1, HAServiceState.ACTIVE);
    assertEquals(0,
        tool.run(new String[]{"-failover", "nn2", "nn1"}));
    waitForHAState(0, HAServiceState.ACTIVE);
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    assertEquals(0,
        tool.run(new String[]{"-failover", "nn1", "nn2"}));
    waitForHAState(0, HAServiceState.STANDBY);
    waitForHAState(1, HAServiceState.ACTIVE);
    assertEquals(0,
        tool.run(new String[]{"-failover", "nn2", "nn1"}));
    waitForHAState(0, HAServiceState.ACTIVE);
    waitForHAState(1, HAServiceState.STANDBY);
  }
 
  private void waitForHAState(int nnidx, final HAServiceState state)
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  @Test(timeout=30000)
  public void testManualFailoverWithDFSHAAdmin() throws Exception {
    DFSHAAdmin tool = new DFSHAAdmin();
    tool.setConf(conf);
    assertEquals(0,
        tool.run(new String[]{"-failover", "nn1", "nn2"}));
    waitForHAState(0, HAServiceState.STANDBY);
    waitForHAState(1, HAServiceState.ACTIVE);
    assertEquals(0,
        tool.run(new String[]{"-failover", "nn2", "nn1"}));
    waitForHAState(0, HAServiceState.ACTIVE);
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    assertEquals(0,
        tool.run(new String[]{"-failover", "nn1", "nn2"}));
    waitForHAState(0, HAServiceState.STANDBY);
    waitForHAState(1, HAServiceState.ACTIVE);
    assertEquals(0,
        tool.run(new String[]{"-failover", "nn2", "nn1"}));
    waitForHAState(0, HAServiceState.ACTIVE);
    waitForHAState(1, HAServiceState.STANDBY);
  }
 
  private void waitForHAState(int nnidx, final HAServiceState state)
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