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October 8, 2021

How to use Cluster-to-Cluster Replication in a Galera Cluster

Previously, we announced a new ClusterControl 1.7.4 feature called Cluster-to-Cluster Replication. It automates the entire process of setting up a disaster recovery cluster off your primary cluster, with replication in between. With this feature: One...

August 19, 2021

Proactive Galera Monitoring (Developer Studio/Advisors angle)

Monitoring is one of the vital parts for many organizations. In fact, there is a role specifically for monitoring purposes. This proves that with proactive monitoring, a lot of things could be achieved including driving...

August 13, 2021

Webinar Replay: Top Five Tips to Drive MariaDB Galera Cluster Performance for Nextcloud

Are you a MariaDB database administrator that is facing problems regarding your Galera Cluster implementations? Perhaps you even tried to make it work in harmony with Nextcloud? If you have answered “yes” to any of...

June 24, 2021

How to configure SELinux for MySQL-based systems (MySQL/MariaDB Replication + Galera)

In the era that we are living in now, anything with a less secure environment is easily a target for an attack and becomes a bounty for the attackers. Compared to the past 20 years,...

June 23, 2021

How to configure AppArmor for MySQL-based systems (MySQL/MariaDB Replication + Galera)

Last week, we discussed how to configure AppArmor for MongoDB Replica Sets which basically has the same concepts applicable when configuring this for your MySQL-based systems. Indeed, security is very important because you have to...

March 18, 2021

Disaster Recovery for Galera Cluster Deployed to a Hybrid Cloud

Running a Galera Cluster in a hybrid cloud should consist of at least two different geographical sites, connecting hosts in the on-premises or private cloud with the ones in the public cloud. Whether you use...

February 11, 2021

Deploying a Hybrid Infrastructure Environment for Percona XtraDB Cluster

A hybrid infrastructure environment is a mix of active hosts residing on both on-premises and cloud infrastructures in a single operational or distributed system. Percona XtraDB Cluster, one of the Galera Cluster variants, can be...

January 30, 2021

Using Redis to Offload Galera Cluster from Session Management Data in Moodle

There is a huge demand for a highly available Moodle system to have a Galera Cluster as the database backend due to its growing popularity and robustness. Galera Cluster turns the popular MySQL and MariaDB...

December 7, 2020

How to Deploy MariaDB Cluster 10.5 for High Availability

  MariaDB Cluster 10.5 deployment has been supported in ClusterControl since version 1.8.1. MariaDB 10.5 is equipped with: More Granular Privileges InnoDB Performance Improvements Full GTID Support for Galera Cluster More Metadata for Replication and...

November 11, 2020

How to Deploy Percona XtraDB Cluster

Percona XtraDB Cluster is a cluster solution based on the synchronous replication handled by Galera library. It is one of the most common high availability solutions for MySQL. It supports multiple writers and the conflict...

October 12, 2020

How to Perform an Online Upgrade of Percona XtraDB Cluster to Percona XtraDB Cluster 8.0

Percona XtraDB Cluster based on MySQL 8.0 has been out there for some time, so it’s not surprising more and more people are attempting to migrate into it. You may wonder how to approach this...

September 7, 2020

Scaling Out the Moodle Database

Moodle is a very popular platform to run online courses. With the situation we see in 2020, Moodle, along with communicators like Zoom forms the backbone of the services that allow online learning and stay-at-home...

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