Planet MariaDB Server
I got swarmed by a replication issue
I recently worked with a client who runs a mature CI/CD pipeline on GitLab. Docker Swarm as the orchestrator, config files versioned and pulled at deploy time, the whole nine…
The Percona Community Slack is open — come hang out
The Percona Community Slack is open — come hang out There’s a new place for the people behind the databases to actually talk to each other. The Percona Community Slack…
Building Smart Semantic Search using PostgreSQL and pgvector. Case Study – Part 2 – Postgres Layer
I’ll explain how I built the Postgres layer for semantic vector search on the Percona Community website: pgvector, chunks, two table modifications, the database schema, how the indexer populates Postgres,…
Building Smart Semantic Search using PostgreSQL and pgvector. Case Study – Part 1 – Introduction
Type “zero downtime database migration” into the site’s search bar and you’ll get articles and talks about database migration with minimal downtime, even if those words aren’t in the titles…
Write for the Percona Community
You’ve fixed something gnarly in production this year. You’ve migrated a database that nobody wanted to touch. You’ve built something on top of Percona Operators, or Percona Toolkit, or Percona…
Knowing when new open source database engine versions release on Amazon Aurora and Amazon RDS
If you’re running or considering Amazon Aurora with PostgreSQL or MySQL compatibility, you’ve likely wondered, “When will the latest community version be available on AWS?” The same question applies if…
AI-Assisted Production Database Ops with ClusterControl MCP and CCX MCP
In December, we introduced how Model Context Protocol could make ClusterControl easier to work with from AI assistants. Since then, Severalnines has expanded that MCP direction across its database operations…
AI-Assisted Production Database Ops with ClusterControl MCP and CCX MCP
In December, we introduced how Model Context Protocol could make ClusterControl easier to work with from AI assistants. Since then, Severalnines has expanded that MCP direction across its database operations…
Backrest’s back, alright!
Events unfolded quickly over the course of a couple of weeks starting on 27 April 2026, when a message appeared on the pgBackRest project announcing: that the repository would be…
Our Experience at MongoDB.local London 2026: The Era of AI Agents, Badges, and Surviving on Chips!
On May 7th, Keith (Quality Engineer, Percona for MongoDB) and I had the super cool opportunity to head over to MongoDB.local London! The event was amazing and packed with insights…
Meet the Percona Community team
We’ve just landed on X and Mastodon, and before the first real post goes out, we wanted to do something we don’t do often enough: introduce ourselves. If you’ve been…
How I Stopped Babysitting My Coding Agent (With Dotfiles)
Most developers at least try to use coding agents for development-related tasks, but babysitting LLMs and managing their permissions is no fun. Completely skipping permission checks is a dangerous idea…
InnoDB Redo Log Sizing: Stop Guessing, Start Measuring
Introduction Many MySQL configurations inherit redo log sizing from defaults, aging blog posts, or configuration folklore. innodb_redo_log_capacity gets set once… and then quietly fades into the background. But redo log…
Open source doesn’t die. It gets unfunded.
If you are using PostgreSQL in any capacity very likely this week has started for you with a bang. pgBackRest, one of the most known tools for PostgreSQL, praised for…
OIDC error scenarios
Last time, in OIDC in PostgreSQL: With Keycloak, we created a working demo setup that was able to successfully authenticate a user using OIDC. In this blog post, we follow…