A question has cropped up recently: how does one install Galera Cluster 4 with MySQL 8 on Ubuntu 20.04 LTS (Focal Fossa)? This quick guide will get you started.

Install 3 Galera Cluster nodes with the base OS being Ubuntu 20.04. Remember to run apt update and apt upgrade.

Once this is done, edit: /etc/apt/sources.list.d/galera.list and add the following lines:

deb https://releases.galeracluster.com/galera-4/ubuntu focal main
deb https://releases.galeracluster.com/mysql-wsrep-8.0/ubuntu focal main

Once that is done, don’t forget to also pin the preference to the Galera Cluster repository. To do this, edit: /etc/apt/preferences.d/galera.pref and have it read:

# Prefer the Codership repository
Package: *
Pin: origin releases.galeracluster.com
Pin-Priority: 1001

Once you are done, run apt update yet again. Now you are ready to install Galera Cluster 4 with MySQL 8, just …

Codership is pleased to announce a new Generally Available (GA) release of the multi-master Galera Cluster for MySQL 5.6, 5.7 and 8.0, consisting of MySQL-wsrep 5.6.50 (release notes, download), 5.7.32 (release notes, download) and 8.0.22 (release notes, download) with Galera replication library 3.32 ( …

Codership is pleased to announce a new Generally Available (GA) release of the multi-master Galera Cluster for MySQL 5.6 and 5.7, consisting of MySQL-wsrep 5.6.48 (release notes, download) and MySQL-wsrep 5.7.30 (release notes, download) with a new Galera Replication library 3.30 (release notes, download), implementing wsrep API version 25. This release incorporates all changes to MySQL 5.6.48 and 5.7.30 respectively, making it a MySQL High Availability solution.

A highlight of this release is that with MySQL 5.7.30, you will now have access to using the Percona audit log plugin, which will help with monitoring and logging connection and query activity that has been performed on specific servers. This implementation is provided as an alternative to the MySQL Enterprise Audit Log Plugin.

The Galera Replication library 3.30 has an enhancement to ensure that upon GCache recovery, all available space will be reclaimed in the …

Codership is proud to announce the first Generally Available (GA) release of Galera Cluster 4 for MySQL 8 and improve MySQL High Availability a great deal. The current release comes with MySQL 8.0.19 and includes the Galera Replication Library 4.5 with wsrep API version 26. You can download it now (and note that we have packages for various Linux distributions). 

Galera 4 and MySQL 8.0.19 have many new features, but here are some of the highlights:

• Streaming replication to support large transactions by splitting transaction replication then applying them in smaller fragments. You can use this feature to load data faster, as data is written to all nodes simultaneously (or not at all in case of a failure in any single node).
• Improved …

Multi-master MySQL, with the MMM management software brings a whole host of new features, and manageability to your MySQL deployments.   Run backups, alter tables, perform upgrades all without slowing down your production users.

Read more at Database Journal – Using Multi-master MySQL To Get A Leg Up On Database Performance

This month on Database Journal we talk about multi-master MySQL using circular replication to achieve high availability.

Read more at DatabaseJournal – Intro to Multi-Master MySQL