Severalnines Blog
The automation and management blog for open source databases

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210 blog posts in 1 category

PostgreSQL Load Balancing Using HAProxy & Keepalived

Promoting a new master server and failing over slaves sounds good, but your applications will need an easy way to keep track of the new master. That’s where HAProxy comes in. This blog post describes how to deploy HAProxy on top of your PostgreSQL replication setup.

Zero Downtime Network Migration with MySQL Galera Cluster using Relay Node

This is a step-by-step guide on how to migrate your database service from one network/cloud platform to another, without downtime.

Deploying MySQL, MariaDB, Percona Server, MongoDB or PostgreSQL - Made Easy with ClusterControl

Deploying the world’s most popular open source databases made easy with ClusterControl. This blog gives an overview of how that works and why ClusterControl is the go-to solution for users worldwide.

Free Open Source Database Deployment & Monitoring with ClusterControl Community Edition

This blog details the features and functions found in the Community Edition of ClusterControl, a free-to-use system for deployment and monitoring of open source databases.

Deploying & Managing MySQL NDB Cluster with ClusterControl

This blog details ClusterControl support for MySQL NDB Cluster and its recent support for version 7.5.

ClusterControl 1.5 - PostgreSQL Load Balancing & ProxySQL Enhancements

This post provides an overview of the new load balancing features found in ClusterControl 1.5 including enhanced ProxySQL support and Load Balancing support for PostgreSQL.

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.

Become a PostgreSQL DBA: Adding Additional Nodes To a Replication Setup

Master-slave replication setups can be very useful, as they provide multiple copies of the data for high availability or for scale out purposes. Master slave replication setups can be ver useful as they provide multiple copies of the data from a redundancy perspective., We will show you how to add nodes to an existing PostgreSQL replication setup using ClusterControl.

Automating and Managing MongoDB in the Cloud

This blog provides an overview of setting up ClusterControl for MongoDB on Amazon Web Services, including deploying a MongoDB replica set, and demonstrating several key features of ClusterControl relevant to MongoDB.

Watch the Replay: MySQL on Docker - Understanding the Basics

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