Module compression 

Compression for cold and frozen tiers. Uses lz4 when available, otherwise falls back to no compression. Note: zstd is specified in the full spec but lz4 is already a dep.

Enums

CompressionLevel

Compression level

Functions

compress

Compress data using lz4

decompress

Decompress data

is_compressed

Check if data appears to be compressed (has lz4 size prefix)