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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,...
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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...
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Webinar Replay: Top Five Tips to Drive MariaDB Galera Cluster Performance for...
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...
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How to configure SELinux for MySQL-based systems (MySQL/MariaDB Replication +...
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, hackers nowadays...
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How to configure AppArmor for MySQL-based systems (MySQL/MariaDB Replication...
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...
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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...
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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...
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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...
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How to Deploy MariaDB Cluster 10.5 for High Availability
ClusterControl 1.8.1 includes support for MariaDB Cluster 10.5. MariaDB 10.5 is equipped with.More Granular PrivilegesInnoDB Performance ImprovementsFull GTID Support for Galera ClusterMore Metadata...
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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...
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How to Perform an Online Upgrade of Percona XtraDB Cluster to Percona XtraDB...
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 process -...
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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...
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Clustering Moodle on Multiple Servers for High Availability and Scalability
Moodle is an open-source e-learning platform (aka Learning Management System) that is widely adopted by educational institutions to create and administer online courses. For larger student bodies and...
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How to Deploy a MariaDB Cluster for High Availability
MariaDB Cluster is a Multi Master replication system built from MariaDB Server, MySQL wsrep patch and Galera wsrep provider. Galera is based on synchronous (or ‘virtually synchronous’) replication...
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Multi-Cloud Galera Cluster on AWS and Azure via Asynchronous Replication
In this blog post, we are going to set up two Galera-based Clusters running on Percona XtraDB Cluster 5.7, one for the production and one for the disaster recovery (DR). We will use ClusterControl to...
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Clustered Database Node Failure and its Impact on High Availability
A node crash can happen at any time, it is unavoidable in any real world situation. Back then, when giant, standalone databases roamed the data world, each fall of such a titan created ripples of...
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How to Configure a Cluster-to-Cluster Replication for Percona XtraDB Cluster...
In a previous blog, we announced a new ClusterControl 1.7.4 feature called Cluster-to-Cluster Replication. It automates the entire process of setting up a DR cluster off your primary cluster, with...
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Building a Hot Standby on Amazon AWS Using MariaDB Cluster
Galera Cluster 4.0 was first released as part of the MariaDB 10.4 and there are a lot of significant improvements in this version release. The most impressive feature in this release is the Streaming...
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Deploying a Highly Available Nextcloud with MySQL Galera Cluster and GlusterFS
Nextcloud is an open source file sync and share application that offers free, secure, and easily accessible cloud file storage, as well as a number of tools that extend its feature set. It's very...
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A Guide to MySQL Galera Cluster Streaming Replication: Part Two
In the first part of this blog we provided an overview of the new Streaming Replication feature in MySQL Galera Cluster. In this blog we will show you how to enable it and take a look at the...
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