# about
Mark is a staff-engineer at Sentry, and open source enthusiast. He’s also built seven mechanical keyboards and counting!
Mark Story
Staff Engineer
4 posts
# posts
4 posts Splitting production databases with minimal downtime
date:
As we scale Sentry, we need to expand Postgres capacity by splitting up workloads across multiple primaries.
Designing Sentry's cross-region replication
date:
Cross-region replication is a foundational subsystem in multi-region Sentry. This post explores our design process.
Removing risk from our multi-region design with simulations
date:
Before splitting our application database and infrastructure up, we wanted to have confidence in where the boundaries would be.
Slow and Steady: Converting Sentry’s Entire Frontend to TypeScript
date:
Recently, Sentry converted 100% of its frontend React codebase from JavaScript to TypeScript. This year-long effort spanned over a dozen members of the engineering team, 1,100 files, and 95,000 lines of code. In this ...