Severalnines Blog
The automation and management blog for open source databases

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38 blog posts in 13 categories

How to Run and Configure ProxySQL 2.0 for MySQL Galera Cluster on Docker

ProxySQL 2.0 has become GA and it comes with new exciting features such as GTID consistent reads, frontend SSL, Galera and MySQL Group Replication native support. This blog post shows how to run the new ProxySQL 2.x for Galera Cluster on Docker container, which is quite a bit different as compared to ProxySQL 1.x.

HA for MySQL and MariaDB - Comparing Master-Master Replication to Galera Cluster

Replication and Galera Cluster are both widely used to implement high availability for MySQL/MariaDB, but when should you pick one over the other? What are the limitations of each solution, and what are the trade offs?
In this blog post, we will look at the differences in terms of data consistency, conflict resolution, failover, node provisioning and robustness.

Dealing with Unreliable Networks When Crafting an HA Solution for MySQL or MariaDB

Networks may not be always stable or reliable, but your database clusters have to. This blog discusses the things to keep in mind when designing an HA solution for MySQL or MariaDB, deployed across potentially unreliable networks.

Migration from Oracle Database to MariaDB - A Deep Dive

Following our recent blogs showcasing how to migrate from Oracle to MySQL/Percona, then to MariaDB and what you should know, this blog offers extra thoughts and insights before you plan to migrate to MariaDB.

How to Migrate from MSSQL to MySQL

Migrating from proprietary engines into open source engines is a trend that is growing in the industry. In this blog we’ll see what is needed to move from Microsoft SQL Server to MySQL and why and how to do it.

A Review of the New Analytic Window Functions in MySQL 8.0

This blog provides an overview of MySQL window functions. A window function performs an aggregate-like operation on a set of query rows. However, whereas an aggregate operation groups query rows into a single result row, a window function produces a result for each query row.

How to Migrate from Oracle to MySQL / Percona Server

Migrating from Oracle RDBMS to MySQL/Percona Server is an enormous task. This blog offers a basic guide to migration, especially if you're coming from Oracle and have limited knowledge of MySQL. The blog does not offer a step-by-step process, but it provides general information of what you should consider before a migration from Oracle to MySQL/Percona Server.

How to Migrate MySQL from Amazon EC2 to your On-Prem Data Center Without Downtime

Database migrations are a pain. They often require maintenance windows and can be a cause of downtime. In this blog, we will see how we can migrate a MySQL database from Amazon EC2 to an on-premise datacenter without any downtime whatsoever.

Monitoring Your Databases with MySQL Enterprise Monitor

Keeping track of the state of your production databases is crucial for performance and availability. There are a number of database monitoring tools on the market, and MySQL Enterprise Monitor is probably one of the older ones. Let’s take a look at what MySQL Enterprise Monitor can do for us.

MySQL Performance Benchmarking: MySQL 5.7 vs MySQL 8.0

MySQL 8.0 features a lot of great improvements, comprehensive support for technologies, and most importantly, its enhanced performance under high read/write workloads. In this blog, we’ll have a look at how MySQL 8.0 performs as compared to its predecessor MySQL 5.7.

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