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30 blog posts in 13 categories

Monitoring HAProxy Metrics And How They Change With Time

There is a lot information on the traffic that is routed through HAProxy, as well as the state of the backends. This blog post discusses different HAProxy metrics, which ClusterControl collects and presents in the agent-based monitoring mode with Prometheus.

How to Create a Single Endpoint for your PostgreSQL Replication setup using HAProxy

PostgreSQL clients usually talk to a single endpoint, but what happens when you use a replication setup? Configuring the application to talk to the primary server does not work well if it fails! This blog reviews how HAProxy can be used on top of a replication setup, how to deploy and configure it, and how ClusterControl can help on these tasks.

Choosing a Database Proxy for MySQL & MariaDB - New Whitepaper

This whitepaper will discuss what proxies are, what their use is and how to build a highly available and highly controllable MySQL and MariaDB database environment using modern proxies such as HAProxy, ProxySQL and MaxScale.

How to Deploy PostgreSQL for High Availability

In this blog, we will review some important concepts of High Availability, possible database HA architectures and useful components when implementing PostgreSQL HA. Then we will see how to use ClusterControl to deploy an entire high availability stack for PostgreSQL.

Comparing Database Proxy Failover Times - ProxySQL, MaxScale and HAProxy

This blog describes the failover and switchover operations executed by ClusterControl, and compares failover times when using ProxySQL, MaxScale and HAProxy.

Updated: Become a ClusterControl DBA: Making your DB components HA via Load Balancers

There are various ways to retain high availability with databases. You can use Virtual IPs (VRRP) to manage host availability, you can use resource managers like Zookeeper and Etcd to (re)configure your applications or use load balancers/proxies to distribute the workload over all available hosts.

Join Us in Amsterdam for a Meetup with OptimaData & VidaXL

Join us in Amsterdam on April 10th for a meetup with Severalnines partner OptimaData and customer VidaXL.

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Updated: ClusterControl Tips & Tricks - Transparent Database Failover for your Applications

This blog shows you how to make database failure and failover transparent to your applications, by using HAProxy or ProxySQL.

How ClusterControl Configures Virtual IP and What to Expect During Failover

This blog post covers how ClusterControl helps you to eliminate single point of failure of your database load balancers by using virtual IP address.

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.