Conference Video Slides MySQL Performance for Application Developers @ MySQL and HeatWave Summit 2025† mysql-summit-2025.pdf MySQL Performance for Developers @ Percona Live 2023† PL23.pdf Efficient MySQL Performance @ Percona Live 2022 PL22.pdf Efficient MySQL Performance @ FOSDEM 2022 - † Video recording not available

Planet MySQL Blog

23.04.2025

How to Resolve Disk Space Issues in PMM: Case Study | Change Is Inevitable

How to reclaim disk space in PMM and optimize server performance with practical strategies like TTL policies and data cleanup, backed by a real-world case study

Planet MySQL Blog

24.04.2025

A Unique Foreign Key issue in MySQL 8.4 | Change Is Inevitable

MySQL 8.4 enforces stricter foreign key rules. This post breaks down ERROR 6125, the causes, workaround, and how to properly prepare schema before upgrade.

Planet MySQL Blog

29.04.2025

Performance Regression in MySQL 8.0, Fixed in 8.4, Easy Workaround (innodb_doublewrite_pages) | J-F Gagné's MySQL Blog

While doing benchmarks on 5.7 and 8.0, I came across a performance regression in MySQL 8.0 over 5.7 and opened a bug ( Bug #111353 : 3x Perf...

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How to Resolve Disk Space Issues in PMM: Case Study | Change Is Inevitable

A Unique Foreign Key issue in MySQL 8.4 | Change Is Inevitable

Performance Regression in MySQL 8.0, Fixed in 8.4, Easy Workaround (innodb_doublewrite_pages) | J-F Gagné's MySQL Blog

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