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prometheus/tsdb/docs/format/tombstones.md

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# Tombstones Disk Format
The following describes the format of a tombstones file, which is placed
at the top level directory of a block.
The last 8 bytes specifies the offset to the start of Stones section.
The stones section is 0 padded to a multiple of 4 for fast scans.
```
┌────────────────────────────┬─────────────────────┐
│ magic(0x0130BA30) <4b> │ version(1) <1 byte> │
├────────────────────────────┴─────────────────────┤
│ ┌──────────────────────────────────────────────┐ │
│ │ Tombstone 1 │ │
│ ├──────────────────────────────────────────────┤ │
│ │ ... │ │
│ ├──────────────────────────────────────────────┤ │
│ │ Tombstone N │ │
│ ├──────────────────────────────────────────────┤ │
│ │ CRC<4b> │ │
│ └──────────────────────────────────────────────┘ │
└──────────────────────────────────────────────────┘
```
# Tombstone
```
┌────────────────┬─────────────────┬────────────────┐
│ref <uvarint64> │ mint <varint64> │ maxt <varint64>│
└────────────────┴─────────────────┴────────────────┘
```