Java Code Examples for org.apache.hadoop.io.compress.CodecPool#returnCompressor()

The following examples show how to use org.apache.hadoop.io.compress.CodecPool#returnCompressor() . You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.

Example 1

Source File: SequenceFile.java From hadoop with Apache License 2.0

6 votes

/** Close the file. */
@Override
public synchronized void close() throws IOException {
  keySerializer.close();
  uncompressedValSerializer.close();
  if (compressedValSerializer != null) {
    compressedValSerializer.close();
  }

  CodecPool.returnCompressor(compressor);
  compressor = null;
  
  if (out != null) {
    
    // Close the underlying stream iff we own it...
    if (ownOutputStream) {
      out.close();
    } else {
      out.flush();
    }
    out = null;
  }
}

Example 2

Source File: SequenceFile.java From RDFS with Apache License 2.0

6 votes

/** Close the file. */
public synchronized void close() throws IOException {
  keySerializer.close();
  uncompressedValSerializer.close();
  if (compressedValSerializer != null) {
    compressedValSerializer.close();
  }

  CodecPool.returnCompressor(compressor);
  compressor = null;
  
  if (out != null) {
    
    // Close the underlying stream iff we own it...
    if (ownOutputStream) {
      out.close();
    } else {
      out.flush();
    }
    out = null;
  }
}

Example 3

Source File: SequenceFile.java From big-c with Apache License 2.0

6 votes

/** Close the file. */
@Override
public synchronized void close() throws IOException {
  keySerializer.close();
  uncompressedValSerializer.close();
  if (compressedValSerializer != null) {
    compressedValSerializer.close();
  }

  CodecPool.returnCompressor(compressor);
  compressor = null;
  
  if (out != null) {
    
    // Close the underlying stream iff we own it...
    if (ownOutputStream) {
      out.close();
    } else {
      out.flush();
    }
    out = null;
  }
}

Example 4

Source File: SequenceFile.java From gemfirexd-oss with Apache License 2.0

6 votes

/** Close the file. */
@Override
public synchronized void close() throws IOException {
  keySerializer.close();
  uncompressedValSerializer.close();
  if (compressedValSerializer != null) {
    compressedValSerializer.close();
  }

  CodecPool.returnCompressor(compressor);
  compressor = null;
  
  if (out != null) {
    
    // Close the underlying stream iff we own it...
    if (ownOutputStream) {
      out.close();
    } else {
      out.flush();
    }
    out = null;
  }
}

Example 5

Source File: SequenceFile.java From hadoop-gpu with Apache License 2.0

6 votes

/** Close the file. */
public synchronized void close() throws IOException {
  keySerializer.close();
  uncompressedValSerializer.close();
  if (compressedValSerializer != null) {
    compressedValSerializer.close();
  }

  CodecPool.returnCompressor(compressor);
  compressor = null;
  
  if (out != null) {
    
    // Close the underlying stream iff we own it...
    if (ownOutputStream) {
      out.close();
    } else {
      out.flush();
    }
    out = null;
  }
}

Example 6

Source File: HadoopCompressor.java From presto with Apache License 2.0

5 votes

@Override
public CompressedSliceOutput get()
{
    try {
        compressor.reset();
        bufferedOutput.reset();
        CompressionOutputStream compressionStream = codec.createOutputStream(bufferedOutput, compressor);
        return new CompressedSliceOutput(compressionStream, bufferedOutput, this, () -> CodecPool.returnCompressor(compressor));
    }
    catch (IOException e) {
        throw new UncheckedIOException(e);
    }
}

Example 7

Source File: DefaultOutputter.java From hadoop with Apache License 2.0

5 votes

@Override
public void close() throws IOException {
  try {
    writer.close();
  } finally {
    if (compressor != null) {
      CodecPool.returnCompressor(compressor);
    }
  }
}

Example 8

Source File: Compression.java From hadoop with Apache License 2.0

5 votes

public void returnCompressor(Compressor compressor) {
  if (compressor != null) {
    if(LOG.isDebugEnabled()) {
      LOG.debug("Return a compressor: " + compressor.hashCode());
    }
    CodecPool.returnCompressor(compressor);
  }
}

Example 9

Source File: DefaultOutputter.java From big-c with Apache License 2.0

5 votes

@Override
public void close() throws IOException {
  try {
    writer.close();
  } finally {
    if (compressor != null) {
      CodecPool.returnCompressor(compressor);
    }
  }
}

Example 10

Source File: Compression.java From big-c with Apache License 2.0

5 votes

public void returnCompressor(Compressor compressor) {
  if (compressor != null) {
    if(LOG.isDebugEnabled()) {
      LOG.debug("Return a compressor: " + compressor.hashCode());
    }
    CodecPool.returnCompressor(compressor);
  }
}

Example 11

Source File: IFile.java From incubator-tez with Apache License 2.0

4 votes

public void close() throws IOException {
  checkState(!closed.getAndSet(true), "Writer was already closed earlier");

  // When IFile writer is created by BackupStore, we do not have
  // Key and Value classes set. So, check before closing the
  // serializers
  if (keyClass != null) {
    keySerializer.close();
    valueSerializer.close();
  }

  // write V_END_MARKER as needed
  writeValueMarker(out);

  // Write EOF_MARKER for key/value length
  WritableUtils.writeVInt(out, EOF_MARKER);
  WritableUtils.writeVInt(out, EOF_MARKER);
  decompressedBytesWritten += 2 * WritableUtils.getVIntSize(EOF_MARKER);
  //account for header bytes
  decompressedBytesWritten += HEADER.length;

  //Flush the stream
  out.flush();

  if (compressOutput) {
    // Flush
    compressedOut.finish();
    compressedOut.resetState();
  }

  // Close the underlying stream iff we own it...
  if (ownOutputStream) {
    out.close();
  }
  else {
    // Write the checksum
    checksumOut.finish();
  }
  //header bytes are already included in rawOut
  compressedBytesWritten = rawOut.getPos() - start;

  if (compressOutput) {
    // Return back the compressor
    CodecPool.returnCompressor(compressor);
    compressor = null;
  }

  out = null;
  if (writtenRecordsCounter != null) {
    writtenRecordsCounter.increment(numRecordsWritten);
  }
  LOG.info("Total keys written=" + numRecordsWritten + "; Savings(optimized due to " +
      "multi-kv/rle)=" + totalKeySaving + "; number of RLEs written=" + rleWritten);
}

Example 12

Source File: Compression.java From RDFS with Apache License 2.0

4 votes

public void returnCompressor(Compressor compressor) {
  if (compressor != null) {
    LOG.debug("Return a compressor: " + compressor.hashCode());
    CodecPool.returnCompressor(compressor);
  }
}

Example 13

Source File: IFile.java From RDFS with Apache License 2.0

4 votes

public void close() throws IOException {
  
  // Close the serializers
  keySerializer.close();
  valueSerializer.close();

  // Write EOF_MARKER for key/value length
  WritableUtils.writeVInt(out, EOF_MARKER);
  WritableUtils.writeVInt(out, EOF_MARKER);
  decompressedBytesWritten += 2 * WritableUtils.getVIntSize(EOF_MARKER);
  
  //Flush the stream
  out.flush();
  
  if (compressOutput) {
    // Flush
    compressedOut.finish();
    compressedOut.resetState();
  }
  
  // Close the underlying stream iff we own it...
  if (ownOutputStream) {
    out.close();
  }
  else {
    // Write the checksum
    checksumOut.finish();
  }

  compressedBytesWritten = rawOut.getPos() - start;

  if (compressOutput) {
    // Return back the compressor
    CodecPool.returnCompressor(compressor);
    compressor = null;
  }

  out = null;
  if(writtenRecordsCounter != null) {
    writtenRecordsCounter.increment(numRecordsWritten);
  }
}

Example 14

Source File: DelimitedTextFileReaderWriterFactory.java From secor with Apache License 2.0

4 votes

@Override
public void close() throws IOException {
    this.mWriter.close();
    CodecPool.returnCompressor(mCompressor);
    mCompressor = null;
}

Example 15

Source File: CodecFactory.java From parquet-mr with Apache License 2.0

4 votes

@Override
public void release() {
  if (compressor != null) {
    CodecPool.returnCompressor(compressor);
  }
}

Example 16

Source File: Compression.java From hbase with Apache License 2.0

4 votes

public void returnCompressor(Compressor compressor) {
  if (compressor != null) {
    if (LOG.isTraceEnabled()) LOG.trace("Returning compressor " + compressor + " to pool.");
    CodecPool.returnCompressor(compressor);
  }
}

Example 17

Source File: IFile.java From hadoop-gpu with Apache License 2.0

4 votes

public void close() throws IOException {

      // Close the serializers
      keySerializer.close();
      valueSerializer.close();

      // Write EOF_MARKER for key/value length
      WritableUtils.writeVInt(out, EOF_MARKER);
      WritableUtils.writeVInt(out, EOF_MARKER);
      decompressedBytesWritten += 2 * WritableUtils.getVIntSize(EOF_MARKER);
      
      //Flush the stream
      out.flush();
  
      if (compressOutput) {
        // Flush
        compressedOut.finish();
        compressedOut.resetState();
      }
      
      // Close the underlying stream iff we own it...
      if (ownOutputStream) {
        out.close();
      }
      else {
        // Write the checksum
        checksumOut.finish();
      }

      compressedBytesWritten = rawOut.getPos() - start;

      if (compressOutput) {
        // Return back the compressor
        CodecPool.returnCompressor(compressor);
        compressor = null;
      }

      out = null;
      if(writtenRecordsCounter != null) {
        writtenRecordsCounter.increment(numRecordsWritten);
      }
    }

Example 18

Source File: IFile.java From big-c with Apache License 2.0

4 votes

public void close() throws IOException {

      // When IFile writer is created by BackupStore, we do not have
      // Key and Value classes set. So, check before closing the
      // serializers
      if (keyClass != null) {
        keySerializer.close();
        valueSerializer.close();
      }

      // Write EOF_MARKER for key/value length
      WritableUtils.writeVInt(out, EOF_MARKER);
      WritableUtils.writeVInt(out, EOF_MARKER);
      decompressedBytesWritten += 2 * WritableUtils.getVIntSize(EOF_MARKER);
      
      //Flush the stream
      out.flush();
  
      if (compressOutput) {
        // Flush
        compressedOut.finish();
        compressedOut.resetState();
      }
      
      // Close the underlying stream iff we own it...
      if (ownOutputStream) {
        out.close();
      }
      else {
        // Write the checksum
        checksumOut.finish();
      }

      compressedBytesWritten = rawOut.getPos() - start;

      if (compressOutput) {
        // Return back the compressor
        CodecPool.returnCompressor(compressor);
        compressor = null;
      }

      out = null;
      if(writtenRecordsCounter != null) {
        writtenRecordsCounter.increment(numRecordsWritten);
      }
    }

Example 19

Source File: IFile.java From tez with Apache License 2.0

4 votes

public void close() throws IOException {
  if (closed.getAndSet(true)) {
    throw new IOException("Writer was already closed earlier");
  }

  // When IFile writer is created by BackupStore, we do not have
  // Key and Value classes set. So, check before closing the
  // serializers
  if (closeSerializers) {
    keySerializer.close();
    valueSerializer.close();
  }

  // write V_END_MARKER as needed
  writeValueMarker(out);

  // Write EOF_MARKER for key/value length
  WritableUtils.writeVInt(out, EOF_MARKER);
  WritableUtils.writeVInt(out, EOF_MARKER);
  decompressedBytesWritten += 2 * WritableUtils.getVIntSize(EOF_MARKER);
  //account for header bytes
  decompressedBytesWritten += HEADER.length;

  // Close the underlying stream iff we own it...
  if (ownOutputStream) {
    out.close();
  } else {
    if (compressOutput) {
      // Flush
      compressedOut.finish();
      compressedOut.resetState();
    }
    // Write the checksum and flush the buffer
    checksumOut.finish();
  }
  //header bytes are already included in rawOut
  compressedBytesWritten = rawOut.getPos() - start;

  if (compressOutput) {
    // Return back the compressor
    CodecPool.returnCompressor(compressor);
    compressor = null;
  }

  out = null;
  if (writtenRecordsCounter != null) {
    writtenRecordsCounter.increment(numRecordsWritten);
  }
  if (LOG.isDebugEnabled()) {
    LOG.debug("Total keys written=" + numRecordsWritten + "; rleEnabled=" + rle + "; Savings" +
        "(due to multi-kv/rle)=" + totalKeySaving + "; number of RLEs written=" +
        rleWritten + "; compressedLen=" + compressedBytesWritten + "; rawLen="
        + decompressedBytesWritten);
  }
}

Example 20

Source File: IFile.java From hadoop with Apache License 2.0

4 votes

public void close() throws IOException {

      // When IFile writer is created by BackupStore, we do not have
      // Key and Value classes set. So, check before closing the
      // serializers
      if (keyClass != null) {
        keySerializer.close();
        valueSerializer.close();
      }

      // Write EOF_MARKER for key/value length
      WritableUtils.writeVInt(out, EOF_MARKER);
      WritableUtils.writeVInt(out, EOF_MARKER);
      decompressedBytesWritten += 2 * WritableUtils.getVIntSize(EOF_MARKER);
      
      //Flush the stream
      out.flush();
  
      if (compressOutput) {
        // Flush
        compressedOut.finish();
        compressedOut.resetState();
      }
      
      // Close the underlying stream iff we own it...
      if (ownOutputStream) {
        out.close();
      }
      else {
        // Write the checksum
        checksumOut.finish();
      }

      compressedBytesWritten = rawOut.getPos() - start;

      if (compressOutput) {
        // Return back the compressor
        CodecPool.returnCompressor(compressor);
        compressor = null;
      }

      out = null;
      if(writtenRecordsCounter != null) {
        writtenRecordsCounter.increment(numRecordsWritten);
      }
    }