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The automation and management blog for open source databases

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94 blog posts in 13 categories

How to Migrate WHMCS Database to MariaDB Galera Cluster

The WHMCS software suite relies on a MySQL database to store its data, so how do you make it highly available? This blog post shows how to migrate the existing WHMCS database from a standalone MySQL server (provided by the WHM/cPanel server itself) to a three-node MariaDB Galera Cluster to improve the database availability.

Database High Availability for Camunda BPM using MySQL or MariaDB Galera Cluster

This blog post covers how to deploy a highly available MySQL or MariaDB database cluster for Camunda BPM 7.10 Community Edition on Linux. Camunda supports major databases through JDBC drivers, namely Oracle, DB2, MySQL, MariaDB and PostgreSQL. We will show two different implementations for the database endpoint, one leveraging ProxySQL and the other using the standard JDBC driver.

How to Run and Configure ProxySQL 2.0 for MySQL Galera Cluster on Docker

ProxySQL 2.0 has become GA and it comes with new exciting features such as GTID consistent reads, frontend SSL, Galera and MySQL Group Replication native support. This blog post shows how to run the new ProxySQL 2.x for Galera Cluster on Docker container, which is quite a bit different as compared to ProxySQL 1.x.

HA for MySQL and MariaDB - Comparing Master-Master Replication to Galera Cluster

Replication and Galera Cluster are both widely used to implement high availability for MySQL/MariaDB, but when should you pick one over the other? What are the limitations of each solution, and what are the trade offs?
In this blog post, we will look at the differences in terms of data consistency, conflict resolution, failover, node provisioning and robustness.

High Availability on a Shoestring Budget - Deploying a Minimal Two Node MySQL Galera Cluster

Learn how to set up a Galera cluster with just 2 nodes and use Garbd to retain high availability.

How to Improve Replication Performance in a MySQL or MariaDB Galera Cluster

Can we increase Galera performance if we speed up applying data that is replicated between its nodes? In this blog post, we assess the impact of having multiple wsrep_slave_threads on the overall performance of Galera cluster.

How to Monitor MySQL or MariaDB Galera Cluster with Prometheus Using SCUMM

In this blog, we will show you how to monitor Galera Cluster for MySQL or MariaDB using Prometheus. We will have a look at the newly released SCUMM architecture for agent-based monitoring and how ClusterControl deploys Prometheus and exporters to collect database metrics and the graphs available in the different dashboards.

Become a ClusterControl DBA: Operational Reports for MySQL, MariaDB, PostgreSQL & MongoDB

The idea behind ClusterControl operational reporting is to put all of the most relevant data into a single document which can be quickly analyzed in order to get a clear understanding of the status of the databases and its processes. This blog post shows how to leverage the ops report functionality to understand the state of your MySQL, MariaDB, MongoDB and PostgreSQL infrastructure.

Become a ClusterControl DBA: Performance and Health Monitoring

This blog post shows how to leverage ClusterControl performance monitoring and advisors functionality to keep your MySQL, MongoDB and/or PostgreSQL databases and clusters healthy.

How to Deploy a Production-Ready MySQL or MariaDB Galera Cluster using ClusterControl

ClusterControl can be used to deploy open-source database clusters that are configured in complex topologies. The full high availability stack includes both database and proxy layers.

In this blog, we are going to show you how to deploy a production-grade Galera Cluster, complete with load balancers, for a high availability setup.

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