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Thor Hansen
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Thor Hansen

Loading Lakes

Optimizing loading Great Lake tables with DataFusion

Delta LakeDatabases+1
Author:Thor Hansen
Thor Hansen

ICYMI: Polar Signals at FOSDEM

Recap of the talks we gave at FOSDEM developer conference

FOSDEM
Author:Thor Hansen
Thor Hansen

Great Lakes: A Delta Lake Fork

Our updates to Delta Lake Table Format

Column DatabaseDelta Lake+1
Author:Thor Hansen
Thor Hansen

New year new database

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

Column DatabaseDatabases
Author:Thor Hansen
Thor Hansen

Best Laid Plans

What we learned from building a database

Column DatabaseFrostDB+2
Author:Thor Hansen
Thor Hansen

Design Decisions of a Continuous Profiler

The tradeoffs and considerations building continuous, fleet-wide profilers.

Continuous-ProfilingBPF+7
Authors:
Frederic BranczykJavier Honduvilla CotoKemal AkkoyunMonica WojciechowskiThor Hansen
Frederic B, Javier H Coto, Kemal A, Monica W, Thor H.

Optimizing Your Programs with Continuous Profiling

An example of using continuous profiling to inform code improvements.

FrostDBContinuous-Profiling+1
Author:Thor Hansen
Thor Hansen

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.

FrostDBPrometheus+1
Author:Thor Hansen
Thor Hansen

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.

GoFrontend+6
Author:Thor Hansen
Thor Hansen

How we build our gRPC APIs at Polar Signals using buf

Tools and strategies that we use to build APIs that we love at Polar Signals.

APIgRPC+4
Author:Thor Hansen
Thor Hansen

Perfessor - Continuous Profiling Without Instrumentation

Continuously profiling your applications without having to make modifications!

PprofPrivate beta+3
Author:Thor Hansen
Thor Hansen

Introducing Polar Signals' Pprof Profile Sharing Service

Our first publicly available service, to upload and share pprof profiles.

PprofSaaS
Author:Thor Hansen
Thor Hansen

Featured posts

Autonomous Optimization with Claude Code

Optimize your infrastructure autonomously every day with Claude Code and Polar Signals

AIClaude Code+1

OpenTelemetry Profiling goes Alpha

How to use it with Polar Signals & Parca

OpenTelemetryProfiling+2

Continuous NVIDIA CUDA Profiling In Production

Low-Overhead Profiling of GPUs with USDT Probes and eBPF

GPUProfiling

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