Severalnines Blog
The automation and management blog for open source databases

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292 blog posts in 13 categories

HAProxy Connections vs MySQL Connections - What You Should Know

Max connections determines the maximum number of connections to the database server. This can be set on both the database server, or the proxy in front of it. In this blog post, we’ll dive into HAProxy and MySQL maximum connections variables, and see how to get the best of both worlds.

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How to Stop or Throttle SST Operation on a Galera Cluster

A full node resync, or SST, can be a heavy, long-running operation that impacts the performance and stability of a Galera Cluster. This blog post explains a trick on how to stop an ongoing SST operation in a clean manner.

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How to Automate Galera Cluster Using the ClusterControl CLI

As sysadmins and developers, we spend a lot our time in a terminal. So we brought ClusterControl to the terminal with our command line interface tool called s9s. This blog post shows how to use s9s to automate management of a Galera Cluster and a master-slave replication setup.

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[Updated] Monitoring Galera Cluster for MySQL or MariaDB - Understanding metrics and their meaning

Read this blog to find out how ClusterControl combines the two most popular types of monitoring, and see how it presents needed information on Galera Cluster and how we should interpret it.

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Watch the Replay: MySQL on Docker - Understanding the Basics

Watch the replay of our webinar on understanding the basics of running MySQL on Docker.

Percona Live Dublin - Event Recap & Our Sessions

This blog details Severalnines participation at Percona Live Dublin 2017 and includes the slides of the sessions we presented.

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New Tutorial: MySQL & MariaDB Load Balancing with ProxySQL

Our new ProxySQL Tutorial gives you everything you need to learn about in order todeploy, manage and maximize this exciting new database-aware load balancing technology.

ClusterControl in the Cloud - All Our Resources

You can deploy ClusterControl on premise or in the cloud. This blog describes some of the benefits of the cloud and provides some resources to help you get your databases up and running with ClusterControl.

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Multiple Data Center Setups Using Galera Cluster for MySQL or MariaDB

Regardless of how redundant your database is, if everything is in a single data center, it might not be good enough. Losing network connectivity to the datacenter means your service will be unavailable. This blog provides insight into setting up Galera Cluster across multiple data centers.

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A How-To Guide for Galera Cluster - Updated Tutorial

We have updated one of our most popular Tutorials to include new information and tips on how to deploy and manage Galera Cluster for MySQL.

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