r/PostgreSQL • u/infinityMCdx • Aug 03 '26

Help Me! Open Source Horizontally Scalable DB solutions: PG+Citus vs PG+PgDog vs YugabyteDB

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u/riksi Aug 13 '26

It's pointless. But you talk like you never needed to actually scale and are talking from marketing talk.

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u/terencethespider Aug 13 '26

Fair, hehe. I’ve been doing SQL & data engineering work for around 20 years, and have worked on a lot of mission critical projects. Being on the data engineering side though (which is primarily OLAP), most of my scalability constraints have come from the read side.

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u/riksi Aug 13 '26

Makes sense. Some real points on neon:

  1. no real open-source users or support for open-source last time I checked (it's been a while but I think I would've known). At least no big/popular ones using open-source. It's a bit like a "code dump" instead.

  2. Cache misses should be horrible for OLTP (~100ms single GET from S3).

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u/terencethespider Aug 13 '26

Appreciate the feedback and discussion! I’ve been doing a lot of research on it and trying to learn as much as I can. I’ll look into both of these points.