Our Blog

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

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

What BJJ taught me about Software Development

How training Brazilian Jiu Jitsu has helped me become a better programmer

June 9, 2022 | Monica Wojciechowski

Software Development

Company Culture

Work-Life Balance

Polar Signals at KubeCon EU 2022

Attending KubeCon EU 2022 in Valencia, Spain.

May 13, 2022 | Matthias Loibl

KubeCon

Community

Introducing arcticDB: A database for Observability

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

May 04, 2022 | Frederic Branczyk

golang

apache arrow

apache parquet

parca

column database

Profiling Next.js apps with Parca

We will learn how to profile your Next.js/Node.js apps with Parca and how it helps you to go back in time and identify the root cause for the irregular bottlenecks in your application's performance.

March 2, 2022 | Manoj Vivek

Javascript

Nextjs

Profiling

Parca

How we build our APIs: From Scratch

In a previous post we detailed how we build our APIs here at Polar Signals. But we're going back to basics, in this tutorial we'll teach you how to build a small App from API to implementation.

February 22, 2022 | Thor Hansen

Frontend

API

Tutorial

Buf

Proto

Protobuf

Golang