# Where the data lives

Two databases rather than one general-purpose one, because **a wide distributed load and a stream of timestamps are not the same problem**.

> mitsuki.cc/stack/storage · this is the Markdown twin of the page at that URL.
> previous: mitsuki.cc/stack.md · step 4 of 8 · next: mitsuki.cc/stack/roles.md

## ScyllaDB

**Status:** In active use
  
**Site:** https://www.scylladb.com

Replaces "Postgres for everything" where the load is wide and distributed. Predictable latency at volume.

- **Where:** platform cores, high load

**Libraries and frameworks**

- ScyllaDB, CQL, ScyllaDB Rust Driver, CDC, Alternator

Full page: mitsuki.cc/stack/scylladb.md

## TimescaleDB

**Status:** In active use
  
**Site:** https://www.timescale.com

For anything with a timestamp: metrics, events, change history.

- **Where:** metrics, events, analytics

Full page: mitsuki.cc/stack/timescaledb.md
