1# Chunks Disk Format 2 3The following describes the format of a single chunks file, which is created in the `chunks/` directory of a block. The maximum size per segment file is 512MiB. 4 5Chunks in the files are referenced from the index by uint64 composed of in-file offset (lower 4 bytes) and segment sequence number (upper 4 bytes). 6 7``` 8┌────────────────────────────────────────┬──────────────────────┐ 9│ magic(0x85BD40DD) <4 byte> │ version(1) <1 byte> │ 10├────────────────────────────────────────┴──────────────────────┤ 11│ ┌───────────────┬───────────────────┬──────┬────────────────┐ │ 12│ │ len <uvarint> │ encoding <1 byte> │ data │ CRC32 <4 byte> │ │ 13│ └───────────────┴───────────────────┴──────┴────────────────┘ │ 14└───────────────────────────────────────────────────────────────┘ 15``` 16