1
B-Trees and Database Indexes
B-trees are used by many modern DBMSs. Learn how they work, how databases use them, and how your choice of primary key can affect index performance.
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
2
How does database sharding work?
Learn what database sharding is, how sharding works, and some common sharding frameworks and tools.
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PlanetScale for Postgres is now GA
PlanetScale for Postgres is now generally available.
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Neki – Sharded Postgres
Neki, sharded Postgres by PlanetScale, is now available in platform preview.
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PlanetScale – Database for Developers
PlanetScale is the first database designed for developer workflows on top of the technology of the hyperscalers.
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Neki – Sharded Postgres by the team behind Vitess
Sharded Postgres by the team behind Vitess
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What is a database transaction?
What are database transactions and how do SQL databases isolate one transaction from another?
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PlanetScale is now generally available
PlanetScale is now GA.
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PlanetScale Offering $5 Databases
Introducing the $5 PlanetScale plan.
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Tin: full-text search for Postgres
TIN is a fast, full-featured, full-text search index for Postgres
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One million queries per second with MySQL
Discover how PlanetScale handles one million queries per second (QPS) with horizontal sharding in MySQL
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PlanetScale Boost
PlanetScale offers the world’s fastest and most scalable cloud hosting for Vitess, Neki, and Postgres.
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How PlanetScale Boost serves SQL queries faster
PlanetScale offers the world’s fastest and most scalable cloud hosting for Vitess, Neki, and Postgres.
14
The only scalable delete in Postgres is DROP TABLE
Large DELETEs add work instead of reclaiming it. Structure your database so deletion becomes DROP TABLE or TRUNCATE.
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Faster MySQL with HTTP/3
In this article we explore how our HTTP/3 API compares to the latency of a traditional MySQL client.
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Benchmarking Postgres 17 vs. 18
Postgres 18 brings a significant improvement to read performance via async I/O and I/O worker threads. Here we compare its performance to Postgres 17.
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How to Read MySQL EXPLAINs
Learn how to read the output in MySQL EXPLAIN plans so you can utilize them to improve query performance.
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Making 768 servers look like 1
How to make 768 distinct Postgres servers look like 1 to your applications.
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PlanetScale for Postgres
PlanetScale now supports Postgres
20
The PlanetScale serverless driver for JavaScript
You can now use PlanetScale in HTTP-only environments like Cloudflare Workers, Vercel Edge Functions, and Netlify Edge Functions.
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PlanetScale increases plans to include billions of reads
PlanetScale offers the world’s fastest and most scalable cloud hosting for Vitess, Neki, and Postgres.
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It’s fine, Rewind: Revert a migration without losing data
Learn how PlanetScale lets you revert changes to your database after a migration with no downtime and zero data loss.
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$50 PlanetScale Metal Is GA for Postgres
We've lowered the entry price for using PlanetScale Metal to $50 and added more flexibility in storage-to-compute ratios.
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The PlanetScale vectors public beta
You can now use the vector data type for vector search and storage in your PlanetScale MySQL database.
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PlanetScale Scaler Pro
See how Scaler Pro combines the best of our current plans for companies of all sizes while enabling you to grow with the best database for serverless.
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Massively Parallel Postgres Backups
PlanetScale backs up petabyte-scale sharded Postgres databases in hours using parallel infrastructure, object storage, and WAL replay.
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One Million Database Connections
Learn how to use PlanetScale to safely include your database in your serverless functions without hitting connection limits in MySQL.
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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.
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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.
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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…