Show HN: PgDog – Shard Postgres without extensions

Hey HN! Lev here, author of PgDog (https://github.com/pgdogdev/pgdog). I’m scaling our favorite database, PostgreSQL. PgDog is a new open source proxy, written in Rust, with first-class support for sharding — without changes to your app or needing database extensions.

Here’s a walkthrough of how it works: " rel="nofollow">

Running Postgres at

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Ask HN: Building LLM apps? How are you handling user context?

I've been building stuff with LLMs, and every time I need user context, I end up manually wiring up a context pipeline.

Sure, the model can reason and answer questions well, but it has zero idea who the user is, where they came from, or what they've been doing in the app. Without that, I either have to make the model ask awkward initial questions to figure it out or let it guess, which is usually wrong.

So I keep rebuilding the same setup: tracking events, enriching sessions, summarizing

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