How to fix write latency in MySQL 8.4 Upgrade
Kedar
During any MySQL major version upgrade, especially when moving from 8.0 to 8.4, it’s not just about compatibility checks. Subtle default changes can directly impact MySQL performance tuning, and if…
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45 posts
How to use tmux, a cheat sheet
I think we know that screen is officially old news and most modern Linux systems switched to tmux as the recommended multiplexer with RHEL 8. Recently I had a discussion…
Killer Blog for MySQL Administrators
This is by far the most killer MySQL blog that I wanted to write for really long as a part of a Killer DBA series. Time is hard to find,…
MySQL 8 utf8mb4_0900_ai_ci collation confusion
Recently I was asked a question: Why am I getting utf8mb4_0900_ai_ci as the default collation in MySQL 8, despite setting the server to use utf8mb4_general_ci? With the upgrade to MySQL…
Understanding Return Codes of pt-upgrade: A quick guide
Interpreting the results and exit codes of your upgrade tests is essential for assessing the process’s outcome. In this blog, we’ll explore the significance of pt-upgrade return codes and how…
A year in MySQL Blogging – top blogs, summary and review
The year 2023 surely was a successful year in MySQL blogging. I managed to publish 24 MySQL blogs in total both personal and Percona blog. This post is a reflection…