Planet MySQL HA Blog

The Planet MySQL HA Blog aggregates content from sources that cover topics related to high availability (HA) for MySQL databases.

How To Check The Available Memory In Your HeatWave MySQL Cluster Via SQL

This blog post gives you a quick and easy SQL statement to check the available memory in your HeatWave MySQL cluster.

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How to Set Up the Development Environment for MySQL Shell Plugins for Python

MySQL Shell is a powerful tool for managing MySQL databases, and one of its most exciting features is the ability to extend its functionality using plugins. If you're a Python developer, you can create custom plugins to automate tasks, add new commands, or
integrate MySQL Shell with other tools. However debugging the python code could be cumbersome for mysql-shell given the python code requires some specific objects available only when running inside the shell. 

In this blog post, we'll walk


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Galera Cluster for MySQL 8.0.41-26.22 and 8.4.4-26.22 released

02/25/2025 | Galera Cluster

Codership is pleased to announce a new Generally Available (GA) release of the multi-master Galera Cluster for MySQL 8.0, consisting of MySQL-wsrep 8.0.41-26.22 (release notes, download), with Galera replication library 4.22 (release notes, download) implementing wsrep API version 26. It also includes Galera Cluster for MySQL 8.4, consisting of MySQL-wsrep 8.4.4-26.22 (release notes, download); it also uses the same Galera replication library 4.22. This release incorporates all changes to MySQL

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Understanding MySQL Global Transaction Identifiers (GTIDs) And Their Role in Replication

Learn about how Global Transaction Identifiers (GTID's) and how they are used with MySQL replication.

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Rancher and Galera Cluster in the partner repository

02/24/2025 | Galera Cluster

If you’ve ever wanted to deploy Galera Cluster on Rancher by SUSE, you now can since Galera Cluster is a partner chart in their repository. This means Codership’s Galera Cluster is a SUSE Ready Verified partner. A direct link to the HELM charts for MySQL/Galera Cluster is here.

What is Rancher? Rancher is a Kubernetes management tool to deploy and run clusters anywhere and on any provider. Rancher can provision Kubernetes from a hosted provider, provision compute nodes and then install Kubern

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Meeting NIS2 Challenges with MySQL Enterprise Edition

The NIS2 Directive strengthens EU cybersecurity standards by expanding sector coverage and imposing stricter requirements. This document outlines how MySQL Enterprise Edition can help organizations meet these demands, focusing on key areas for securing MySQL database servers within the NIS2 framework.

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MySQL Rockstars 2024

These are the MySQL Rockstars 2024 winners !

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A Deep Dive into OpenSSL, FIPS, and MySQL

FIPS compliance is crucial for numerous MySQL deployments, especially within government agencies and organizations subject to regulatory mandates. The alignment of FIPS 140-3 with ISO/IEC 19790 broadens the applicability of these requirements. This blog clarifies the relationship between FIPS, OpenSSL, and MySQL.

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Highlights from preFOSDEM MySQL Belgian Days 2025

This is a recap of the preFOSDEM MySQL Belgian Days 2025

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Percona Monitoring and Management 3 and rootless containers

02/18/2025 | Percona
In today’s landscape, where security breaches are a constant concern, reducing potential attack vectors is a top priority for any organization. Percona Monitoring and Management (PMM) has established itself as a reliable solution for database performance monitoring. With the release of PMM version 3, Percona has significantly strengthened its security posture, notably by introducing support for rootless container deployments. This advancement directly addresses a crucial security challenge

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