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prometheus/Documentation/format/chunks.md
Fabian Reinartz 433e73f865 Change series and symbol table format
2017-04-30 10:10:18 +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  │ ... │
 │ └──────────────┴───────────────────┴────────┘     │
 └───────────────────────────────────────────────────┘