Package org.apache.hadoop.hdfs.DFSClient

Examples of org.apache.hadoop.hdfs.DFSClient.Conf

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    } else {
      // HA case
      FailoverProxyProvider<T> failoverProxyProvider = NameNodeProxies
          .createFailoverProxyProvider(conf, failoverProxyProviderClass, xface,
              nameNodeUri);
      Conf config = new Conf(conf);
      T proxy = (T) RetryProxy.create(xface, failoverProxyProvider, RetryPolicies
          .failoverOnNetworkException(RetryPolicies.TRY_ONCE_THEN_FAIL,
              config.maxFailoverAttempts, config.failoverSleepBaseMillis,
              config.failoverSleepMaxMillis));
     
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      // Non-HA case
      return createNonHAProxy(conf, NameNode.getAddress(nameNodeUri), xface,
          UserGroupInformation.getCurrentUser(), true);
    } else {
      // HA case
      Conf config = new Conf(conf);
      T proxy = (T) RetryProxy.create(xface, failoverProxyProvider,
          RetryPolicies.failoverOnNetworkException(
              RetryPolicies.TRY_ONCE_THEN_FAIL, config.maxFailoverAttempts,
              config.maxRetryAttempts, config.failoverSleepBaseMillis,
              config.failoverSleepMaxMillis));
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    } else {
      // HA case
      FailoverProxyProvider<T> failoverProxyProvider = NameNodeProxies
          .createFailoverProxyProvider(conf, failoverProxyProviderClass, xface,
              nameNodeUri);
      Conf config = new Conf(conf);
      T proxy = (T) RetryProxy.create(xface, failoverProxyProvider, RetryPolicies
          .failoverOnNetworkException(RetryPolicies.TRY_ONCE_THEN_FAIL,
              config.maxFailoverAttempts, config.failoverSleepBaseMillis,
              config.failoverSleepMaxMillis));
     
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    } else {
      // HA case
      FailoverProxyProvider<T> failoverProxyProvider = NameNodeProxies
          .createFailoverProxyProvider(conf, failoverProxyProviderClass, xface,
              nameNodeUri);
      Conf config = new Conf(conf);
      T proxy = (T) RetryProxy.create(xface, failoverProxyProvider, RetryPolicies
          .failoverOnNetworkException(RetryPolicies.TRY_ONCE_THEN_FAIL,
              config.maxFailoverAttempts, config.failoverSleepBaseMillis,
              config.failoverSleepMaxMillis));
     
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    } else {
      // HA case
      FailoverProxyProvider<T> failoverProxyProvider = NameNodeProxies
          .createFailoverProxyProvider(conf, failoverProxyProviderClass, xface,
              nameNodeUri);
      Conf config = new Conf(conf);
      T proxy = (T) RetryProxy.create(xface, failoverProxyProvider, RetryPolicies
          .failoverOnNetworkException(RetryPolicies.TRY_ONCE_THEN_FAIL,
              config.maxFailoverAttempts, config.failoverSleepBaseMillis,
              config.failoverSleepMaxMillis));
     
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    } else {
      // HA case
      FailoverProxyProvider<T> failoverProxyProvider = NameNodeProxies
          .createFailoverProxyProvider(conf, failoverProxyProviderClass, xface,
              nameNodeUri);
      Conf config = new Conf(conf);
      T proxy = (T) RetryProxy.create(xface, failoverProxyProvider,
          RetryPolicies.failoverOnNetworkException(
              RetryPolicies.TRY_ONCE_THEN_FAIL, config.maxFailoverAttempts,
              config.maxRetryAttempts, config.failoverSleepBaseMillis,
              config.failoverSleepMaxMillis));
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    } else {
      // HA case
      FailoverProxyProvider<T> failoverProxyProvider = NameNodeProxies
          .createFailoverProxyProvider(conf, failoverProxyProviderClass, xface,
              nameNodeUri);
      Conf config = new Conf(conf);
      T proxy = (T) RetryProxy.create(xface, failoverProxyProvider, RetryPolicies
          .failoverOnNetworkException(RetryPolicies.TRY_ONCE_THEN_FAIL,
              config.maxFailoverAttempts, config.failoverSleepBaseMillis,
              config.failoverSleepMaxMillis));
     
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      ExtendedBlock block, Token<BlockTokenIdentifier> blockToken,
      long startOffset, long len, DataEncryptionKey encryptionKey)
          throws IOException {
    int bufferSize = conf.getInt(DFSConfigKeys.IO_FILE_BUFFER_SIZE_KEY,
        DFSConfigKeys.IO_FILE_BUFFER_SIZE_DEFAULT);
    return newBlockReader(new Conf(conf),
        sock, file, block, blockToken, startOffset,
        len, bufferSize, true, "", encryptionKey, null);
  }
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    } else {
      // HA case
      FailoverProxyProvider<T> failoverProxyProvider = NameNodeProxies
          .createFailoverProxyProvider(conf, failoverProxyProviderClass, xface,
              nameNodeUri);
      Conf config = new Conf(conf);
      T proxy = (T) RetryProxy.create(xface, failoverProxyProvider,
          RetryPolicies.failoverOnNetworkException(
              RetryPolicies.TRY_ONCE_THEN_FAIL, config.maxFailoverAttempts,
              config.maxRetryAttempts, config.failoverSleepBaseMillis,
              config.failoverSleepMaxMillis));
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      Socket sock, String file,
      ExtendedBlock block, Token<BlockTokenIdentifier> blockToken,
      long startOffset, long len) throws IOException {
    int bufferSize = conf.getInt(DFSConfigKeys.IO_FILE_BUFFER_SIZE_KEY,
        DFSConfigKeys.IO_FILE_BUFFER_SIZE_DEFAULT);
    return newBlockReader(new Conf(conf),
        sock, file, block, blockToken, startOffset,
        len, bufferSize, true, "");
  }
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Related Classes of org.apache.hadoop.hdfs.DFSClient.Conf

  • org.apache.hadoop.hdfs.BlockReaderFactory
  • org.apache.hadoop.hdfs.NameNodeProxies
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