# TSDB [![Build Status](https://travis-ci.org/prometheus/tsdb.svg?branch=master)](https://travis-ci.org/prometheus/tsdb)

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This repository contains the Prometheus storage layer that is used in its 2.x releases.

A writeup of its design can be found [here](https://fabxc.org/blog/2017-04-10-writing-a-tsdb/).

Based on the Gorilla TSDB [white papers](http://www.vldb.org/pvldb/vol8/p1816-teller.pdf).

Video: [Storing 16 Bytes at Scale](https://youtu.be/b_pEevMAC3I) from [PromCon 2017](https://promcon.io/2017-munich/).

See also the [format documentation](docs/format/README.md).