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By Sam Lambert |

Database goes brrrrrrrrrrr.


By Patrick Reynolds |

You can now use vector search and storage in your PlanetScale MySQL database.


By Vicent Martí |

A novel technique for implementing dynamic language interpreters in Go, applied to the Vitess SQL evaluation engine


By Nick Van Wiggeren |

Our experience running AWS EBS at scale for critical workloads


By Benjamin Dicken |

Take an interactive journey through the history of IO devices, and learn how IO device latency affects performance.


By Rafer Hazen |

Our experience upgrading the Query Insights database to PlanetScale Metal


By Richard Crowley |

Learn how PlanetScale Metal was built and how we ensured it is safe.


By Manan Gupta |

Learn how PlanetScale keeps its private fork of Vitess up-to-date with OSS


By Benjamin Dicken |

Learn about the database sharding scaling pattern in this interactive blog.


By Shlomi Noach |

Design considerations for implementing a database throttler


By Benjamin Dicken |

Run Vitess workflows right from within PlanetScale. Migrate data from unsharded to sharded keyspaces, manage traffic cutover, and easily revert when problems arise.


By Vitess Engineering Team |

Vitess 21 is now generally available.


By Holly Guevara |

You can now use the vector data type for vector search and storage in your PlanetScale MySQL database.


By Shlomi Noach |

Design consideration for implementing a database throttler with a comparison of singular vs distributed throttler deployments.


By Benjamin Dicken |

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.


By Shlomi Noach |

PlanetScale now supports instant DDL. Where eligible, you can run deploy requests that complete near-instantly.


By Shlomi Noach |

Learn about some design considerations for implementing a database throttler.


By Benjamin Dicken |

For big databases, IOPS and throughput can become a bottleneck in database performance. Learn how sharding helps scale out IOPS and throughput beyond the limitations of a single server.


By Rafer Hazen |

Learn about the new PlanetScale Insights index tracking feature.


By Matt Lord |

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 the migration experience.


By Benjamin Dicken |

Sharding a database comes with many benefits: Scalability, failure isolation, write throughput, and more. However, one of the lesser-known benefits comes from improved backups and restore performance.


By Matt Lord |

Learn the basics of Change Data Capture (CDC) and how to leverage Vitess VStream API to build data pipelines.


By Shlomi Noach |

Learn about the options for running non-blocking schema changes natively to MySQL, using Vitess, or other tools


By Andres Taylor |

The Vitess query planner takes multiple passes over a query plan to optimize it as much as possible before execution. A recent tricky bug report led to an improvement in how the optimizer functions.


By Benjamin Dicken |

Large databases often have a small number of very large tables that makes scaling difficult. How can you scale with these while keeping your database performant? This article covers three techniques.