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prometheus/Documentation/format/chunks.md
Fabian Reinartz 35b62f001e Change offset table layout, add TOC, ...
2017-04-30 10:18:07 +02:00

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Chunks Disk Format

The following describes the format of a single chunks file, which is created in the chunks/ directory of a block.

┌─────────────────────────────┬─────────────────────┐
│ magic(0x85BD40DD) <4 byte>  │ version(1) <1 byte> │
├─────────────────────────────┴─────────────────────┤
│ ┌──────────────┬───────────────────┬────────┐     │
│ │ len <varint> │ encoding <1 byte> │  data  │ ... │
│ └──────────────┴───────────────────┴────────┘     │
└───────────────────────────────────────────────────┘