# Buffer Pools

## 🎯 Goals

- [ ] Understand how in-memory pages cache disk blocks

## 📚 Checklist

- [ ] Learn about pages/blocks and caching in DBs
- [ ] Understand eviction strategies (LRU, clock, etc.)
- [ ] Reason about how buffer size affects performance

## 🔗 Related

- [[Storage Engines]]
- [[WAL Internals]]