Planet MySQL HA Blog

Happy 2025, it is a fresh year, and there have been plenty of resources to help you gain the most out of your Galera Cluster (be it on MySQL or MariaDB Server) and Galera Manager deployments, so here is a quick “best practices” guide.

Did you know that in under 15 minutes, you can Deploy MariaDB Galera Cluster to AWS EC2 instances only with Galera Manager? This allows you not just to deploy, but also to monitor your Galera Cluster. It is a similar deal, when it comes to using Galera Manager

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If you read Changes and Improvements in MariaDB 11.4 you might think there are no MariaDB Galera Cluster changes in this long-term series, maintained until May 2029, but this is far from the truth. There are a few things that you can totally benefit from in MariaDB Galera Cluster, and this series continues from Why MariaDB Galera Cluster 10.11?.

When one executes SHOW FULL PROCESSLIST, there is more information about the connection state now:

waiting to execute in isolation – connection i

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The Oracle HeatWave MySQL service offers users the flexibility to modify DB system shapes and configuration, enabling them to adapt to changing workloads and enhance performance. In this blog post we'll share insights into the latest changes related to DB system shape and configuration changes, mostly focusing on the high availability and read replicas support.

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OCI Database Management and OCI Ops Insights services deliver advanced capabilities to simplify the monitoring of External MySQL databases, offer detailed granular insights, and reduce the burden of managing infrastructure resources. Additionally, as a cloud-native, managed solution, these services eliminate the need to maintain the monitoring solution itself.

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We’re excited to announce the release of Percona Monitoring and Management (PMM) 3.0.0 GA. The Percona Monitoring and Management (PMM) 3.0.0 release delivers major security and stability enhancements. Notable security improvements include rootless deployments and encryption of sensitive data, along with improved API authentication using Grafana service accounts. Deployment options have expanded with official ARM support and the ability to use Podman for rootless deployments, providing flex

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The latest release of the Percona Operator for MongoDB, version 1.19, is here. It brings a suite of enhancements designed to streamline your MongoDB deployments on Kubernetes. This release introduces a technical preview of remote file server backups, simplifies user management with auto-generated passwords, supports Percona Server for MongoDB 8.0, and includes numerous other improvements and bug fixes. Let’s dive into the details of what 1.19 has to offer. Remote Backups with Network File

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We’re excited to announce the release of Percona Monitoring and Management (PMM) 3.0.0 GA. The Percona Monitoring and Management (PMM) 3.0.0 release delivers major security and stability enhancements. Notable security improvements include rootless deployments and encryption of sensitive data, along with improved API authentication using Grafana service accounts. Deployment options have expanded with official ARM support and the ability to use Podman for rootless deployments, providing flex

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We’re excited to announce the Tech Preview release of Percona Monitoring and Management (PMM) 3.0.0 (GA). This release is intended for testing environments only, as it’s not yet production-ready. The public release will be available through standard channels in upcoming days. The Percona Monitoring and Management (PMM) 3.0.0 release delivers major security and stability enhancements. Notable security improvements include rootless deployments and encryption of sensitive data, along wi

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This article is focused on describing the latest performance benchmarking executed on the latest release of MySQL and Percona. 

In this set of tests I have used the machine described here.  

Assumptions

There are many ways to run tests, and we know that results may vary depending on how you play with many factors, like the environment or the MySQL server settings. However, if we compare several versions of the same product on the same platform, it is logical to assume that all the

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Why MariaDB Server with Galera Cluster 10.11, you might ask? Well, there are plenty of Galera Cluster improvements that one might consider, and know that it rolls up with features that we have been contributing in the rolling short-term releases from 10.7/10.8/10.9/10.10. So, MariaDB Server 10.11 is a long-term support release which means you get maintenance up till February 2028 (a whole 3 more years).

One exciting feature that we covered is the fact that you can use the wsrep_allowlist, which sto

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