> ## Documentation Index
> Fetch the complete documentation index at: https://polar-handbook-event-sequences.mintlify.site/llms.txt
> Use this file to discover all available pages before exploring further.

# Tech Notes

> Technical insights, debugging stories, and engineering learnings from the Polar team

Welcome to Polar Tech Notes! Here you'll find technical deep-dives, debugging stories, and insights from our engineering team.

Want to contribute? Check out our [README.md](https://github.com/polarsource/handbook/blob/main/README.md)

## Latest Post

<Card title="Investigating Worker Memory Leak in Polar" icon="bug" href="/engineering/tech-notes/worker-memory-leak">
  A deep dive into debugging memory leaks in our Python worker system using Dramatiq and Redis

  **Author:** Petru Rares Sincraian • **Published:** 2025-08-29
</Card>

***