Our Blog

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

Exploring Go's Profile-Guided Optimizations

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

September 27, 2022 | Frederic Branczyk

Continuous-Profiling

Parca

PGO

Profile-Guided Optimizations

Optimizing Your Programs with Continuous Profiling

An example of using continuous profiling to inform code improvements.

August 30, 2022 | Thor Hansen

FrostDB

Continuous-Profiling

Parca

System-wide profiling in Parca Agent

How we re-architected Parca Agent to profile every process on the host and made it more scalable in the process.

August 24, 2022 | Javier Honduvilla Coto

Profiling

BPF

System-Wide

Parca Agent

Sponsoring the Open-Source Community

Polar Signals is sponsoring open-source developers.

August 18, 2022 | Matthias Loibl

Culture

Company Culture

Community

For a change, let's talk web performance: HTTP 103 (Early Hints)

We'll talk about what is HTTP 103 (Early Hints), how it can help speed up the web.

July 26, 2022 | Manoj Vivek

webperf

web-performance

http

Winter is coming - FrostDB in Prometheus

FrostDB is an embedded columnar database built for observability data. This article will explore FrostDB's potential by using it in Prometheus.

July 22, 2022 | Thor Hansen

FrostDB

Prometheus

Observability

Introduction to Parca - Part 1

Parca is our open source, always-on eBPF-based continuous profiler. In this article, we'll learn some of the concepts behind Parca and use it to profile our system.

July 12, 2022 | Sumera Priyadarsini

Parca

eBPF

Continuous-Profiling

Observability

Parca Agent

How we use gRPC to build our frontend at Polar Signals

gRPC is a new protocol for building a backend for our frontend. In this article, we'll learn how we use gRPC and gRPC-web to build our frontend at Polar Signals.

June 23, 2022 | Yomi Eluwande

gRPC

gRPC-Web

React Query

protobuf-ts

React