Package org.apache.hadoop.hdfs

Examples of org.apache.hadoop.hdfs.BlockReader.readAll()

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              reader.setReadRackLocal(
                  dfsClient.isInLocalRack(targetAddr.getAddress()));
            }
            reader.setFsStats(dfsClient.stats);
          }
          int nread = reader.readAll(buf, offset, len);
          if (nread != len) {
            throw new IOException("truncated return from reader.read(): " +
                                  "excpected " + len + ", got " + nread);
          }
          return;
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    int readOffset = 0;
    int retries = 2;
    while ( amtToRead > 0 ) {
      int numRead;
      try {
        numRead = blockReader.readAll(buf, readOffset, (int)amtToRead);
      }
      catch (IOException e) {
        retries--;
        if (retries == 0)
          throw new IOException("Could not read data from datanode");
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    int readOffset = 0;
    int retries = 2;
    while ( amtToRead > 0 ) {
      int numRead;
      try {
        numRead = blockReader.readAll(buf, readOffset, (int)amtToRead);
      }
      catch (IOException e) {
        retries--;
        if (retries == 0)
          throw new IOException("Could not read data from datanode");
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    int readOffset = 0;
    int retries = 2;
    while ( amtToRead > 0 ) {
      int numRead;
      try {
        numRead = blockReader.readAll(buf, readOffset, (int)amtToRead);
      }
      catch (IOException e) {
        retries--;
        if (retries == 0)
          throw new IOException("Could not read data from datanode");
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    int readOffset = 0;
    int retries = 2;
    while ( amtToRead > 0 ) {
      int numRead;
      try {
        numRead = blockReader.readAll(buf, readOffset, (int)amtToRead);
      }
      catch (IOException e) {
        retries--;
        if (retries == 0)
          throw new IOException("Could not read data from datanode");
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    int readOffset = 0;
    int retries = 2;
    while ( amtToRead > 0 ) {
      int numRead;
      try {
        numRead = blockReader.readAll(buf, readOffset, (int)amtToRead);
      }
      catch (IOException e) {
        retries--;
        if (retries == 0)
          throw new IOException("Could not read data from datanode");
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    int readOffset = 0;
    int retries = 2;
    while ( amtToRead > 0 ) {
      int numRead;
      try {
        numRead = blockReader.readAll(buf, readOffset, (int)amtToRead);
      }
      catch (IOException e) {
        retries--;
        if (retries == 0)
          throw new IOException("Could not read data from datanode");
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    int readOffset = 0;
    int retries = 2;
    while ( amtToRead > 0 ) {
      int numRead;
      try {
        numRead = blockReader.readAll(buf, readOffset, (int)amtToRead);
      }
      catch (IOException e) {
        retries--;
        if (retries == 0)
          throw new IOException("Could not read data from datanode");
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        reader.setFsStats(dfsClient.stats);
        if (cliData != null) {
          cliData.recordPreadGetBlockReaderTime();
        }
      }
      int nread = reader.readAll(buf, offset, len);
      if (cliData != null) {
        cliData.recordPreadAllTime();
      }
      if (nread != len) {
        throw new IOException("truncated return from reader.read(): " +
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    int readOffset = 0;
    int retries = 2;
    while ( amtToRead > 0 ) {
      int numRead;
      try {
        numRead = blockReader.readAll(buf, readOffset, (int)amtToRead);
      }
      catch (IOException e) {
        retries--;
        if (retries == 0)
          throw new IOException("Could not read data from datanode");
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