Our Blog

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

(Mostly) Deterministic Simulation Testing in Go

How we used WASM and some Go runtime modifications to run deterministic simulation tests against FrostDB

May 28, 2024 | Alfonso Subiotto Marqués

Testing

FrostDB

Golang

Debugging

Databases

Deterministic Simulation Testing

Polar Signals at KubeCon EU 2024

Attending KubeCon EU 2024 in Paris, France.

March 18, 2024 | Matthias Loibl

KubeCon

Community

Correlating Tracing with Profiling using eBPF

How we connected the worlds of tracing and profiling using Parca Agent, the eBPF-based profiler.

March 5, 2024 | Frederic Branczyk

Profiling

Continuous-Profiling

Distributed Tracing

Tracing

Correlation

Introducing Billing Usage Metrics

Insights into how much profiling data your projects are sending for an even more predictable billing.

January 23, 2024 | Manoj Vivek

Billing

Enterprise

Embracing performance profiling: Canonical enables frame pointers in Ubuntu 24.04 LTS

A Collaborative Leap Forward with Canonical

December 13, 2023 | Frederic Branczyk

Frame Pointers

DWARF

DWARF-Based Unwinding

Ubuntu

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.

November 24, 2023 | Frederic Branczyk

Golang

PGO

Observability

Continuous Profiling

eBPF

Performance

Announcing the new "Views" feature on Polar Signals Cloud

Scope requests with pre-defined filters and gain precise control over your profiling data!

November 21, 2023 | Yomi Eluwande

Profiling

View

Continuous-Profiling

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

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

November 2, 2023 | Frederic Branczyk

Pprof

Profiling