Planet MySQL HA Blog

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

Galera Manager July 2024 Release

07/26/2024 | Galera Cluster

Codership is please to announce a new release of Galera Manager. The current installer stands at version 1.14.0 ((you can check this by typing: ./gm-installer version which will report gm-installer version 1.14.0 (linux/amd64)) and the actual Galera Manager GUI is at version 1.8.6. Users ill notice usability improvements, and fixes for issues filed at the galera-manager-support issue tracker.

One notable change that will affect users is the removal of support for CentOS 7. Please read What to know

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MySQL Vector Datatype: create your operations (part 2)

In this article we see how we can create a component to add UDFs functions to deal with the VECTOR datatype in MySQL.

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MySQL Vector Datatype: create your operations (part 1)

How to deal with VECTORS in MySQL HeatWave and Enterprise Edition using JavaScript

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MySQL Shell Table Export Utility

MySQL Shell offer many features to make life easier for DBAs and developers. In this post we discuss some of the options available to when exporting table data to different formats.

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RegEx Backreferences in MySQL

Regular expressions are a powerful tool for developers. In this post we will demonstrate how to use regular expressions backreferences in MySQL.

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A Quick Introduction to JavaScript Stored Programs in MySQL

Recently MySQL added the ability to write Stored Programs in JavaScript.  This allows developers to leverage JavaScript capabilities for complex data processing and business logic within the database server. We think this is really cool. Here’s why.

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What on Earth is a Split-Brain Scenario in a MySQL Database Cluster?

07/19/2024 | Continuent

Overview

The Skinny

In this blog post, we will define what a split-brain scenario means in a MySQL database cluster. Then, we will explore how a Tungsten MySQL database cluster reacts to a split-brain situation and show how to recover from that situation.

Agenda

What's Here?

Define the term "split-brain". Briefly explore how the Tungsten Manager works to monitor the cluster health and prevent data corruption in the event of a

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Using RegEx Subexpressions in MySQL

Regular expressions are a powerful tool for developers. In this post we will demonstrate how to use regular expressions subexpressions in MySQL

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A Different RegEx Solution in MySQL

Regular expressions are a powerful tool for developers. In this post we re-examine a solution from a previous post to see if we can streamline the query and use a pure regex solution.

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Timeline for Database on Kubernetes

07/15/2024 | Percona
The Evolution Since its inception in June 2014, Kubernetes has dramatically transformed container orchestration, revolutionizing the management and scaling of applications. To mark its tenth anniversary, the Data on Kubernetes Community (DoKC) released an infographic showcasing key milestones and community contributions to the evolution of operators for managing stateful applications. This project was made possible by the collaboration of DoKC members Edith Puclla, Sergey Pronin, Robert Hodges,

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