Our Blog

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

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

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

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

June 16, 2022 | Frederic Branczyk

Golang

Apache Arrow

Apache Parquet

Parca

Column Database