Our Blog

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

Introducing the Polar Signals VS Code Extension

See CPU time, memory allocations, and other profiling metrics as inline annotations directly in your source code.

March 10, 2026 | Yomi Eluwande

Profiling

VS Code

Cursor

Parca

Introducing IAM

Represent your organization in Polar Signals

February 24, 2026 | Frederic Branczyk

Security

Profiling

Compliance

API

Call Stacks and Unwinding 101

How Profilers Work: Part 1

February 19, 2026 | Brennan Vincent

Profiling

.eh_frame

Frame Pointers

Parca Agent

Introducing Oauth for AI Agents

Use your favorite AI agent securely with Polar Signals Profiling

February 12, 2026 | Frederic Branczyk

Claude Code

Cursor

Gemini

Codex

Profiling Agent

Oauth

ICYMI: Polar Signals at FOSDEM

Recap of the talks we gave at FOSDEM developer conference

February 10, 2026 | Thor Hansen

FOSDEM

How to check your debuginfo status in Polar Signals Cloud

A faster and easier way to troubleshoot debuginfo processing in Polar Signals Cloud.

January 22, 2026 | Manoj Vivek

Debuginfo

Symbolization

Symbols

Introducing the Sandwich View

A new way to visualize a function’s callers and callees side by side.

January 8, 2026 | Yomi Eluwande

Data Visualization

Frontend

Profiling

Caller / Callee View

Sandwich View

Optimizing SLO Performance at Scale: How We Solved Pyrra’s Query Performance on Thanos

Learn how we optimized Pyrra’s SLO monitoring to handle high-cardinality metrics at scale, reducing cross-zone traffic and query times while maintaining 99% accuracy.

December 30, 2025 | Matthias Loibl

Performance

Observability

SLOs

Prometheus

Thanos