# Replay
3 posts- How We Reduced Replay SDK Bundle Size by 35%date: author: Francesco Novy
An in-depth analysis of how we managed to cut the Session Replay SDK bundle size by 35%.
- Lost in the Haystack: Optimizing an Expensive ClickHouse Querydate: author: Colton Allen
Finding a needle in a haystack is really difficult. Why make it harder than it needs to be?
- Measuring Session Replay Overheaddate: author: Billy Vong
The best way to figure out how overhead impacts you is to measure it yourself. Follow along as we show you how we went about measuring overhead on Sentry and how you can measure it on your own applications.