Severalnines Blog
The automation and management blog for open source databases

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655 blog posts in 13 categories

ClusterControl Tips & Tricks - Best Practices for Database Backups

This blog is about good practices for taking database backups using ClusterControl 1.7. ClusterControl’s centralized backup management for MySQL, MariaDB, PostgreSQL and MongoDB provides you with hot backups of large datasets, point in time recovery, at-rest and in-transit data encryption, data integrity via automatic restore verification, cloud backups (AWS, Google and Azure) for Disaster Recovery, retention policies to ensure compliance, and automated alerts and reporting.

Linking & Creating MongoDB Joins Using SQL - Part 1

This blog series describes how to create and link MongoDB joins using a SQL database and Studio3T.

Migrating from MSSQL to PostgreSQL - What You Should Know

If you are considering moving from a MSSQL environment to PostgreSQL, this blog provides a high level overview of what you should know to migrate between the two.

Effective Monitoring of MySQL With SCUMM Dashboards - Part 3

In this 3rd part of the blog series, we’ll discuss what ClusterControl’s new InnoDB Metrics and MySQL Performance dashboards have to offer. These dashboards provide a pretty in-depth view of MySQL performance. We’ll go through the different graphs, and see how a DBA can leverage them.

Simple Scheduling of Maintenance Windows across your Database Clusters

Maintenance is something that an operation team can not avoid. ClusterControl can be configured to simplify your maintenance routines. In this post, we’ll show you some advanced use cases of cluster-wide maintenance with iterations using ClusterControl CLI.

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.

SQL Firewalling Made Easy with ClusterControl & ProxySQL

This blog describes how to use ClusterControl and ProxySQL to implement an SQL firewall in front of your database servers. The firewall uses a regular expression matching engine to inspect SQL statements going to the database through the proxy, and determines whether to allow, block, reroute or rewrite the incoming query.

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MySQL on Docker: Running ProxySQL as Kubernetes Service

When your application containers are orchestrated and managed by Kubernetes, you might want to use ProxySQL in front of your database servers. In this post, we’ll show you how to configure ProxySQL as a Kubernetes service.

How to Cluster Your ProxySQL Load Balancers

ProxySQL typically sits between the applications and the database servers, so we have to be careful that it does not become a single point of failure (SPOF). In this blog post, we’ll explain how you can set up a ProxySQL cluster for redundancy.

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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.