If you’ve encountered the “Encryption can’t find master key” error while starting MySQL, you’re likely facing issues with the keyring plugin. I recently faced a similar issue on my server,…

The post Troubleshooting MySQL: Encryption can’t find Master Key first appeared on Change Is Inevitable.

Galera Cluster Enterprise Edition (EE) has had support for Non-Blocking Operations (NBO) schema upgradesever since the first release of Galera Cluster Enterprise Edition (EE). It is reasonably well documented, and we think more people will benefit from using it, of course. Schema changes tend to always remain a daunting task when you have large databases to manage.

To compare between Total Order Isolation (TOI), the default, with NBO that is available in Galera Cluster Enterprise Edition (EE), we create a test table:

CREATE TABLE large;
USE large;

CREATE TABLE test_table (
    id INT PRIMARY KEY AUTO_INCREMENT,
    data VARCHAR(255),
    num1 INT,
    num2 INT,
    created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP
);

Then we …

MySQL is a widely used database management tool; however, as your application grows, maintaining optimal performance may become more challenging. 

Thankfully, ProxySQL provides many features that can help optimize MySQL performance and functions as a high-performance MySQL proxy. Let us understand the scope of improvement and how you can optimize MySQL performance using the powerful ProxySQL.

The Challenge of MySQL Performance

MySQL can face performance challenges under heavy load or complex query workloads. Conventional optimization techniques often reach their limits, necessitating additional strategies. Under such circumstances, ProxySQL can address these challenges and significantly enhance MySQL performance.   

ProxySQL is a high-performance open-source SQL proxy that organizations can use to optimize the MySQL database performance.

10 Ways ProxySQL Can Optimize …

There has been much discussion recently about the stability and performance of the latest MySQL releases. Many database professionals are voicing concerns, especially after encountering several issues in the newer versions. Issues with MySQL 8.0.38 Let’s start with some important news from Marco Tusa. In one of his blog posts, Marco strongly advised against upgrading […]

MySQL Implementation Oracle Certified Associate Exam

Historically, Percona has been providing our customers with enterprise-grade solutions for MySQL that meet the highest standards of compatibility and compliance. To follow this commitment, Percona now offers RHEL9-certified builds for the users of Percona software for MySQL. These builds have been rigorously tested and are available as rpm packages, ensuring seamless integration with your […]

The release of Percona Server for MySQL 8.4.0 includes the new UUID_VX component, which implements UUID versions 1, 3, 4, 5, 6, and 7 according to recently published RFC 9562. UUIDs (Universally Unique Identifiers) are unique identifiers that can be generated independently without a central authority or coordination with other parties. Unlike sequential integer identifiers, which […]

Sharing an example of how to do audit log archiving to table and thereafter to dump the archived table to Object Storage using MySQL Shell utility

The 'Always Free' tier of Oracle Cloud has a new offering - HeatWave MySQL. In this post, we will discuss how to spin up a new always-free HeatWave MySQL instance and connect to it via an alway-free compute instance.