31
The challenges of supporting foreign key constraints
Today, PlanetScale launched support for foreign key constraints. This article covers some of the behind-the-scenes technical challenges we had to overcome to support them.
PlanetScale Blog
PlanetScale offers the world’s fastest and most scalable cloud hosting for Vitess, Neki, and Postgres.
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Visit planetscale.com → On Hacker News May 2021 – Sep 2026
Databases & Data 33Systems & Performance 12Tech Industry & Business 9Software Engineering 5Infrastructure & DevOps 5Tools & Productivity 3
32
Keeping a Postgres Queue Healthy
Dead tuples from high-churn job queues can silently degrade your Postgres database when vacuum falls behind—especially alongside competing workloads. Traffic Control keeps cleanup on track.
33
The real failure rate of EBS
Our experience running AWS EBS at scale for critical workloads
34
Zero downtime migrations at petabyte scale (2024)
Data migrations are a critical part of the database lifecycle, and are sometimes necessary for version upgrades, sharding, or moving to a new platform. In many cases, migrations are painful and error-prone. In this article, we walk through how migrations are performed at PlanetScale, and offer advice on how to improve…
35
PlanetScale performs layoff and prioritizes profitability
PlanetScale is committed to providing a reliable and sustainable platform for our customers, not just in the short-term, but forever. For this reason, we are prioritizing profitability.
36
Faster offset pagination for Rails apps
Introducing FastPage a new gem for ActiveRecord that speeds up deep pagination queries.
37
118M Queries per Second on Neki
We ran a massive, sharded Postgres database at 118.5 million queries per second, with 200k queries per second on each shard across 512 shards.
38
Vitess 18
Vitess 18 is now generally available, with a number of new enhancements designed to improve usability, performance, and MySQL compatibility.