Our Blog

Welcome to the Polar Signals blog where we write about profiling, performance, and company culture.

OOMProf - Profiling on the Brink

Using eBPF to record your programs dying breathes

August 13, 2025 | Tommy Reilly

BPF

Memory Profiling

OOM

Offline Mode for the Parca Agent

Collect and upload profiles -- even without a network connection

August 7, 2025 | Brennan Vincent

Profiling

Parca Agent

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.

June 18, 2025 | Thor Hansen

Column Database

Databases