Our Blog

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

The MCP for performance engineering

Introducing Remote MCP Support in Polar Signals Cloud

July 17, 2025 | Matthias Loibl

Performance Analysis

Performance

Observability

GPU

Deterministic Simulation Testing in Rust: A Theater Of State Machines

How we designed our database for complete control over concurrency, time, randomness, and failure injection.

July 8, 2025 | Alfonso Subiotto Marqués

Testing

Deterministic Simulation Testing

Rust

Databases

Distributed Systems

How Continuous Profiling reduces Engineering Debt and increases Application Performance

Application Performance engineering debt could live a long time without noticed and cause a significant overhead in developing new features, performance and the cost of operation.

June 30, 2025 | Batuhan Uslu

Continuous-Profiling

Cloud Cost

Profiling

GPU

New year new database

Bringing what we've learned to our next generation database.

June 18, 2025 | Thor Hansen

Column Database

Databases

Best Laid Plans

What we learned from building a database

June 10, 2025 | Thor Hansen

Column Database

FrostDB

Databases

Design

Latest in Continuous Profiling for GPUs

Attending ai.engineer 2025 in San Francisco

June 4, 2025 | Matthias Loibl, Brennan Vincent

Profiling

Correlation

GPU

Flame Charts: The Time-Aware Sibling of Flame Graphs

A deep dive into the time-aware visualization that complements traditional flame graphs in performance profiling.

May 28, 2025 | Manoj Vivek

Flame Charts

Data Visualization

Performance Analysis

Icicle Graphs

Flame Graphs

Sampling PGO

Exploring how well the various forms of PGO work

May 20, 2025 | Tommy Reilly

Rust

PGO

Profiling