# Building-sentry

How we silently switched error issue alerts to a new system.

As we scale Sentry, we need to expand Postgres capacity by splitting up workloads across multiple primaries.

Cross-region replication is a foundational subsystem in multi-region Sentry. This post explores our design process.

Before splitting our application database and infrastructure up, we wanted to have confidence in where the boundaries would be.

How ASP.NET Core application developers can make the transition from JIT (Just-in-Time) to AOT (Ahead-of-Time) compilation, using the Sentry SDK for .NET as a case study.

Almost 2 years ago, Sentry embarked on a project to bring true EU data residency to Sentry's customers. We decided to do it the hard way.

What is a self identifying file, what are debug IDs and why do we want a fundamental change in the web ecosystem for source maps.

Sentry is a very fast-moving company. In just one month we merged 165 pull requests from 19 authors and changed over 800 files, with a total of over 22,000 additions and almost 10,000 deletions. By updating to Lerna 6...

At its core, Sentry is a tool that alerts you to defects in your production software. But it does more than blast stack traces into your inbox: Sentry provides powerful workflows to help your team determine root cause...

Sentry’s growth led to increased write and read load on our databases, and, even after countless rounds of query and index optimizations, we felt that our databases were always a hair’s breadth from the next performan...

Other than Python, JavaScript is the oldest platform that Sentry properly supports, which makes sense considering many Python services (including Sentry itself) have a JavaScript front-end. The system that almost ever...

Over two years ago, Sentry started supporting its first native platform: iOS. Since then, we’ve added support for many other platforms via minidumps and recently introduced our own SDK for native applications to make ...

For most of 2018, we worked on an overhaul of our underlying event storage system. We’d like to introduce you to the result of this work — Snuba, the primary storage and query service for event data that powers Sentry...