private LZ4Compressor getCompressor() {
    if (getCompressionLevel() == 0) {
      return LZ4_FACTORY.fastCompressor();
    }
    return LZ4_FACTORY.highCompressor(getCompressionLevel());
  }
Get the compressor based on the compressor level.
@return The LZ4 compressor.
ambry-commons/src/main/java/com/github/ambry/compression/LZ4Compression.java