# Greptime | Knowledge Base | Instagit

The single database for big observability in the cloud era

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## Repositories

### [greptimedb](/greptimeteam/greptimedb)

One database for metrics, logs, and traces. The unified OpenTelemetry  backend that replaces Prometheus, Loki, and ES — with SQL + PromQL  on object storage.

- 23 articles | 6k stars
- Tags: architecture, internals, performance, deep-dive, how-to-guide