Package org.apache.hadoop.conf

Examples of org.apache.hadoop.conf.Configuration.unset()

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      DataNodeProperties dnp = cluster.stopDataNode(i);
      assertNotNull("Should have been able to stop simulated datanode", dnp);
    }

    conf.unset(DFS_DATANODE_ADDRESS_KEY);
    conf.unset(DFS_DATANODE_HTTP_ADDRESS_KEY);
    conf.unset(DFS_DATANODE_IPC_ADDRESS_KEY);

    cluster.startDataNodes(conf, 1, true, StartupOption.REGULAR,
                           null, null, null, false, true);
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      assertNotNull("Should have been able to stop simulated datanode", dnp);
    }

    conf.unset(DFS_DATANODE_ADDRESS_KEY);
    conf.unset(DFS_DATANODE_HTTP_ADDRESS_KEY);
    conf.unset(DFS_DATANODE_IPC_ADDRESS_KEY);

    cluster.startDataNodes(conf, 1, true, StartupOption.REGULAR,
                           null, null, null, false, true);

    dns = cluster.getDataNodes();
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    for (int i = 0; i < dns.size(); i++) {
      DataNodeProperties dnp = cluster.stopDataNode(i);
      assertNotNull("Should have been able to stop simulated datanode", dnp);
    }

    conf.unset("dfs.datanode.address");
    conf.unset("dfs.datanode.http.address");
    conf.unset("dfs.datanode.ipc.address");

    cluster.startDataNodes(conf, 1, true, StartupOption.REGULAR,
                           null, null, null, false, true);
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      DataNodeProperties dnp = cluster.stopDataNode(i);
      assertNotNull("Should have been able to stop simulated datanode", dnp);
    }

    conf.unset("dfs.datanode.address");
    conf.unset("dfs.datanode.http.address");
    conf.unset("dfs.datanode.ipc.address");

    cluster.startDataNodes(conf, 1, true, StartupOption.REGULAR,
                           null, null, null, false, true);
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      assertNotNull("Should have been able to stop simulated datanode", dnp);
    }

    conf.unset("dfs.datanode.address");
    conf.unset("dfs.datanode.http.address");
    conf.unset("dfs.datanode.ipc.address");

    cluster.startDataNodes(conf, 1, true, StartupOption.REGULAR,
                           null, null, null, false, true);

    dns = cluster.getDataNodes();
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      throws IOException {
    List<URI> editsDirs = FSNamesystem.getNamespaceEditsDirs(conf, false);
    String editsDirsString = Joiner.on(",").join(editsDirs);

    Configuration confWithoutShared = new Configuration(conf);
    confWithoutShared.unset(DFSConfigKeys.DFS_NAMENODE_SHARED_EDITS_DIR_KEY);
    confWithoutShared.setStrings(DFSConfigKeys.DFS_NAMENODE_EDITS_DIR_KEY,
        editsDirsString);
    return confWithoutShared;
  }
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    mapredConf.setBoolean(Job.MAPREDUCE_JOB_USER_CLASSPATH_FIRST, true);

    if (UserGroupInformation.isSecurityEnabled()) {
      // If runs in secure cluster, this program runner is running in a yarn container, hence not able
      // to get authenticated with the history and MR-AM.
      mapredConf.unset("mapreduce.jobhistory.address");
      mapredConf.setBoolean(MRJobConfig.JOB_AM_ACCESS_DISABLED, true);

      Credentials credentials = UserGroupInformation.getCurrentUser().getCredentials();
      LOG.info("Running in secure mode; adding all user credentials: {}", credentials.getAllTokens());
      job.getCredentials().addAll(credentials);
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    }
  }

  protected Configuration getSnapshotConfiguration() throws IOException {
    Configuration conf = HBaseConfiguration.create();
    conf.unset(TxConstants.Persist.CFG_TX_SNAPHOT_CODEC_CLASSES);
    return conf;
  }

  private void reset() {
    this.storage.stop();
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  }
 
  @Test
  public void testFailWhenNoSharedEditsSpecified() throws Exception {
    Configuration confNoShared = new Configuration(conf);
    confNoShared.unset(DFSConfigKeys.DFS_NAMENODE_SHARED_EDITS_DIR_KEY);
    assertFalse(NameNode.initializeSharedEdits(confNoShared, true));
  }
 
  @Test
  public void testDontOverWriteExistingDir() throws IOException {
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    } finally {
      if (cluster != null) {
        cluster.shutdown();
      }
      // Reset the config
      conf.unset(DFS_NAMENODE_RPC_BIND_HOST_KEY);
    }
  }
}
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