How to save money in AWS RDS – Upgrade to MySQL 8
MySQL 8 is around us for 5 years now. I believe you’re surely considering an upgrade. But if you’re on AWS and still on an older version of MySQL, this…
How MySQL Binary Log Gets Its Number
In this blog I share how MySQL binary logs get their unique numbers after noting my observations with MySQL binary logs sequencing. Recently I noted an odd binary log sequencing…
Node has dropped from cluster error in Galera Cluster
Recently I noted a strange MySQL replication error in a Percona XtraDB Cluster (PXC) node replicating from a standard MySQL instance. “Node has dropped from cluster”. This is a quick blog…
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…
How to filter MySQL slow queries using pt-query-digest
The pt-query-digest is my go-to tool in order to perform slow query analysis, improve query performance and thus overall MySQL performance. In this blog post, I’m going to highlight the…
What do you need to debug MySQL issues – a checklist
Welcome to the ultimate guide for MySQL issues debugging — your comprehensive MySQL checklist for tackling MySQL database environment challenges. This checklist for MySQL debugging is as useful to a…