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Planet MySQL Blog
23.04.2025
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
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
24.04.2025
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.
29.04.2025
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...