Planet MySQL HA Blog

The Planet MySQL HA Blog aggregates content from sources that cover topics related to high availability (HA) for MySQL databases.

Undo Log Truncation Bug in 8.0 leads to Data Corruption

| J-F Gagné's MySQL Blog
I am upset about this one : I have a hard time not seeing this as negligence, and it starts to become a pattern...  So please forgive me if this post is not my most diplomatic, because I really think someone deserves a kick in the butt !  But what is all this about... There is a MySQL bug, which can lead to data corruption, opened for 8.0 in September 2023, fixed in MySQL 8.4.0 (

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🚀 Lightning-Fast Archiving in MySQL HeatWave Using Table Partition Exchange

| The Oracle MySQL Blog
Managing large datasets can be a balancing act between performance and storage. Keeping your “hot” data lean is critical for speed and memory efficiency. But what about the “cold” data you still need to retain? Partition Exchange Archiving a simple, production-ready strategy that lets you instantly move old data out of your primary tables without […]

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