---
title: "Design documents | Grafana Loki documentation"
description: "Loki Design documents"
---

> For a curated documentation index, see [llms.txt](/llms.txt). For the complete documentation index, see [llms-full.txt](/llms-full.txt).

# Design documents

- [Labels from Logs](labels/)
- [Promtail Push API](2020-02-Promtail-Push-API/)
- [Write-Ahead Logs](2020-09-Write-Ahead-Log/)
- [Ordering Constraint Removal](2021-01-Ordering-Constraint-Removal/)