PostHog Blog

PostHog automatically diagnoses problems, fixes bugs, and generates pull requests – all without you having to prompt it.

Popular posts: 14
Total points: 4,348
HN comments: 2,081
Rank: #255 company

Visit posthog.com → RSS feedOn Hacker News Feb 2020 – Nov 2026

Tech Industry & Business 5 Tools & Productivity 4 Startups 3 Infrastructure & DevOps 2 Databases & Data 2 Career & Management 2

Most points Most discussed Most cited Newest

Moving our warehouse off DuckDB

2026187 points119 comments Databases & Data details

We moved our warehouse product off DuckDB and DuckLake onto our own flavor of Trino and a new open table format, HogLake. Here's what broke at scale and why.

I rewrote PostHog's SQL parser, 70x faster, while barely looking at the code

2026155 points72 comments Software Engineering details

After the success of using agents to improve query performance through autoresearch , I wanted to try something more ambitious. I rewrote PostHog's…