# Elysia

> Built for Bun, with types checked from server to client: tech debt grows 15% slower. No CPU overhead. 5 MB per process.

## Trade-offs

| Axis | Score |
| --- | --- |
| Throughput | |
| Tail latency | |
| Memory | |
| Velocity | |
| Resilience | |
| Operability | |

## Runs on

- [Node.js](https://wiki.playquorum.dev/runtimes/node.md)
- [Node.js cluster](https://wiki.playquorum.dev/runtimes/node_cluster.md)
- [Bun](https://wiki.playquorum.dev/runtimes/bun.md)
- [Deno](https://wiki.playquorum.dev/runtimes/deno.md)

## Engineering terms

- [Tech debt](https://wiki.playquorum.dev/glossary/tech-debt.md)

## Facts

Elysia
- **Language:** Node.js
- **Overhead:** 1 ms CPU
- **Velocity:** ×1.25
- **Memory:** +5 MB
- **Startup:** +0 s
- **ORM:** No

## See also

- [Runtimes and frameworks](https://wiki.playquorum.dev/runtimes.md)

Source: https://wiki.playquorum.dev/frameworks/elysia
