Welcome to the Polar Signals blog where we write about profiling, performance, and company culture.
Introducing Off-CPU Profiling
How Off-CPU profiling works and how to get the most out of it
July 30, 2025 | Frederic Branczyk
Profiling
System-Wide
Off-CPU
Reproducible Builds with Next.js: A Practical Guide
A step-by-step guide to achieving reproducible builds with Next.js.
July 23, 2025 | Manoj Vivek
Nextjs
Engineering Practices
Javascript
CI/CD
The MCP for performance engineering
Introducing Remote MCP Support in Polar Signals Cloud
July 17, 2025 | Matthias Loibl
Performance Analysis
Performance
Observability
GPU
Deterministic Simulation Testing in Rust: A Theater Of State Machines
How we designed our database for complete control over concurrency, time, randomness, and failure injection.
July 8, 2025 | Alfonso Subiotto Marqués
Testing
Deterministic Simulation Testing
Rust
Databases
Distributed Systems
How Continuous Profiling reduces Engineering Debt and increases Application Performance
Application Performance engineering debt could live a long time without noticed and cause a significant overhead in developing new features, performance and the cost of operation.
June 30, 2025 | Batuhan Uslu
Continuous-Profiling
Cloud Cost
Profiling
GPU
New year new database
Bringing what we've learned to our next generation database.