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92 blog posts in 12 categories

MySQL on Docker: ClusterControl and Galera Cluster on Docker Swarm

This blog post shows our experimentation on running ClusterControl and Galera Cluster on Docker Swarm.

Video: ClusterControl for Galera Cluster

This video walks you through the features that ClusterControl offers for Galera Cluster and how you can use them to deploy, manage, monitor and scale your open source database environments.

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Online Schema Upgrade in MySQL Galera Cluster using RSU Method

Performing RSU - Rolling Schema Upgrade - in a safe way is much more complex than just running a couple of commands. This blog post explains the RSU method for schema changes in Galera Cluster for MySQL, MariaDB Galera Cluster or Percona XtraDB Cluster.

MySQL on Docker: Composing the Stack

Docker 1.13 introduces a long-awaited feature called Compose-file support. Compose-file defines everything about an application - services, databases, volumes, networks, and dependencies can all be defined in one place.  In this blog, we’ll show you how to use Compose-file to simplify the Docker deployment of MySQL containers.

Demonstration Videos: Top Four Feature Sets of ClusterControl for MySQL, MongoDB & PostgreSQL

Severalnines Senior Support Engineer Art van Scheppingen has created a series of videos to demonstrate the top features of ClusterControl for MySQL, MongoDB & PostgreSQL.

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Video: An Overview of the Features & Functions of ClusterControl

Severalnines Support Engineer Art van Scheppingen demonstrates the top features and functions of ClusterControl by Severalnines.

Watch the evolution of ClusterControl for MySQL & MongoDB

ClusterControl has come a long way since its release in 2012.  Here are some interesting facts and figures on how it’s being used and by whom.

Online schema change for MySQL & MariaDB - comparing GitHub’s gh-ost vs pt-online-schema-change

Online schema changes are a fact of life for any DBA. While there are tools to assist, for example, Percona’s pt-online-schema-change, it does not come without drawbacks. GitHub released a new online schema change tool called gh-ost. This post looks at how gh-ost compares to pt-online-schema-change, and how it can be used to address some limitations.

MySQL on Docker: Deploy a Homogeneous Galera Cluster with etcd

Our journey to make Galera Cluster run smoothly on Docker containers continues. Deploying Galera Cluster on Docker is tricky when using orchestration tools. With this blog, find out how to deploy a homogeneous Galera Cluster with etcd.

Load balanced MySQL Galera setup - Manual Deployment vs ClusterControl

Deploying a MySQL Galera Cluster with redundant load balancing takes a bit of time. This blog looks at how long it would take to do it manually vs using ClusterControl to perform the task.