Bzip2 compression codec.

Bzip2 is a high-ratio compression algorithm using the Burrows-Wheeler block-sorting text compression algorithm and Huffman coding. It produces smaller output than most other algorithms but is significantly slower.

Options

• :block_size — Block size multiplier, 1-9 (default: 9). Higher values produce smaller output but use more memory.

Performance Characteristics

• Excellent compression ratio
• Slower compression and decompression than Zstd
• Higher memory usage, especially at higher block sizes
• Best for archival or storage where ratio matters more than speed

Examples

iex> {:ok, compressed} = ExCodecs.encode(:bzip2, "hello world")
iex> {:ok, decompressed} = ExCodecs.decode(:bzip2, compressed)
iex> decompressed
"hello world"

iex> {:ok, compressed} = ExCodecs.encode(:bzip2, "hello world", block_size: 6)
iex> is_binary(compressed)
true