
Focusing on Percona Server 8.4.11-11 My previous post (Performance Progression of Percona Server for MySQL 8.4) did a brief review of the performance changes in Percona Server for MySQL 8.4 released in 2026. I recommend reading it first to…

Over the past few years, I have been working on assessing the strengths and weaknesses of PostgreSQL migration tools. Several articles published by yours truly led to the ambitious project I have been pursuing since 2024 with my colleagues…
`max_locks_per_transaction` isn't about transactions or limits—it sizes the cluster-wide lock table, and its misleading name has confused PostgreSQL users for…
There is a conversation that happens in every PostgreSQL shop eventually. A query that has been fine for a year gets slow overnight. Nothing was deployed. The data grew a little, ANALYZE ran, and the planner — entirely reasonably, on the…