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February 26, 2025
Using VS Code and Docker to Debug MySQL Crashes
Typically, we receive customer tickets regarding crashes or bugs, where we request a core dump to analyze and identify the [...]
February 24, 2025
Understanding trx-consistency-only on MyDumper Before Removal
I have been working on MyDumper for over three years now, and I usually don’t use the tax-consistency-only feature during backups because [...]
February 14, 2025
Orchestrator (for Managing MySQL) High Availability Using Raft
As we know, Orchestrator is a MySQL high availability and replication management tool that aids in managing farms of MySQL servers. [...]
February 12, 2025
Considering Alternatives for Your MySQL Migration? Why Percona Should Be Your First Choice
You know about MySQL; we know about MySQL. After all, it’s been the most popular database system for years now. [...]
February 1, 2025
MySQL Performance Tuning: Maximizing Database Efficiency and Speed
This post was originally published in June 2020 and was updated in February 2025. While there is no magic bullet [...]
January 22, 2025
Using Blue/Green Deployment For (near) Zero-Downtime Primary Key Updates in RDS MySQL
Large tables can pose challenges for many operations when working with a database. Occasionally, we may need to modify the [...]
January 17, 2025
What’s the Cost of Counting MySQL Table Rows?
What index will be used when you count all rows in a table? Well, the MySQL documentation provides a straightforward [...]
January 8, 2025
Attaching a Percona Monitoring and Management Graph Image Along with an Alerting Notification
This article will be helpful if you use the Percona Monitoring and Management (PMM) instance and alert notifications, as it [...]
January 7, 2025
MySQL with Diagrams Part Two: How KILL Works
Here is part two of my MySQL with Diagrams series (Here’s part one – MySQL with Diagrams Part One: Replication [...]
January 6, 2025
MySQL 8.4.3 and 9.1.0: Major Performance Gains Revealed
At Percona, we’ve always prioritized performance, and recent trends in MySQL’s development have been a point of concern for us. [...]
January 1, 2025
MySQL High CPU Usage: Effective Troubleshooting Methods
This post was originally published in April 2020 and was updated in January 2025. One of our customers recently asked [...]
December 20, 2024
MySQL Transaction ERROR 1412 and Isolation Levels
This blog post explains the cause of “ERROR 1412 (HY000): Table definition has changed, please retry transaction” with the specific [...]
December 19, 2024
Percona XtraBackup 101: Decompress and Decrypt or Decrypt and Decompress?
This blog is not intended to offer anything extraordinary; instead, consider it an anecdote, a lesson, or simply a proper [...]
December 18, 2024
How To Deal with a AUTO_INCREMENT Max Value Problem in MySQL and MariaDB
An application down due to not being able to write into a table anymore due to a maximum allowed auto-increment [...]
December 12, 2024
MySQL with Diagrams Part One: Replication Architecture
In this series, “MySQL with Diagrams,” I’ll use diagrams to explain internals, architectures, and structures as detailed as possible. In [...]
December 3, 2024
Who Ate My MySQL Table Rows?
TL;DR ALTER TABLE and OPTIMIZE TABLE on an InnoDB table, which rebuilds the table without blocking concurrent changes to it [...]
November 14, 2024
Exploring Kubernetes CPU Resources in View of Percona XtraDB Cluster’s Flow Control
Even though I used a dedicated Kubernetes cluster to host my test database, I had this belief that by not [...]
November 1, 2024
How Can MySQL Catch Up with PostgreSQL’s Momentum?
When I talk to old-timers in the MySQL community, I often hear this question: “How come MySQL is so awesome [...]
October 31, 2024
Tracking Dual Passwords in MySQL
We already have blog posts about Dual Password in MySQL from Brian Sumpter – Using MySQL 8 Dual Passwords, and [...]
October 5, 2024
Upgrade MySQL to 8.0? Yes, but Avoid Disaster!
This post was originally published in July 2023 and was updated in October 2024. Upgrading to MySQL version 8.0 is [...]