Frederic Branczyk

The Cost of Go's Interfaces and How to Fix It

Why dynamic dispatch is necessary and how to fix it with devirtualizing and PGO.

Announcing New Features on pprof.me: Previews and User History

Preview shared profiling data and keep a history of your shared profiles!

Polar Signals Cloud is Generally Available

We're ready to share our product with the world!

Profiling Mojo 🔥

A look at profiling Modular's Mojo language.

View Profiling Data within Code

A look at an exciting new feature in Polar Signals Cloud: Source View.

Correctly Profiling Node.js with Zero-Instrumentation

Or: A tale of handling unexpected behaviour by the v8 runtime.

Symbolizing Postgres Profiling Data

A journey through undocumented behavior.

Polar Signals at FOSDEM 2023

Attending FOSDEM 2023 in Brussels.

What's new in Parca?

Looking at some exciting features that recently landed in Parca.

Design Decisions of a Continuous Profiler

The tradeoffs and considerations building continuous, fleet-wide profilers.

Parca now also in Grafana Core

Parca in Grafana without having to install a plugin!

Exploring Go's Profile-Guided Optimizations

Making code faster without modifying it using Profile-Guided Optimizations.

Naming is hard: ArcticDB is now FrostDB (+updates!)

We made a mistake in naming our open-source in-memory columnar database.

Introducing arcticDB: A database for Observability

Continuous profiling needed a columnar database, so we built it.

On Building Company Culture

Thoughts on how early company culture shapes the future of it.

Introducing Parca - Prometheus but for profiles

P.S. We got funded!

Demystifying Pprof Labels with Go

Continuous Profiler Cumulative Metrics

Our first major feature since our product launch: cumulative profiling metrics!

Announcing Polar Signals Continuous Profiler

Since founding Polar Signals, we have been heads down working on our first product, and today we are beyond excited to share it with you!