Severalnines Blog
The automation and management blog for open source databases

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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.

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.

Migrating from Oracle Database to MariaDB - What You Should Know

For many organizations, migrating from Oracle to an open source database platform is just a matter of time. An Oracle to MariaDB migration can be a complex multistage process, but choosing the right database architecture and features can reduce the cost and time of the operation. This blog aims to help you better understand the details of the complexities involved and how to overcome them.

Migrating from DB2 to PostgreSQL - What You Should Know

This blog provides a high level overview of what you should know if considering a move from IBM’s DB2 to PostgreSQL including a comparison of commands and an examination of the incompatibilities of the databases.

ClusterControl Tips and Tricks: Running ClusterControl on PHP 7

PHP 5 is deprecated since early this year, which may cause some concerns when running ClusterControl. This blog post shows you how to run ClusterControl on PHP 7.

How to Upgrade PostgreSQL10 to PostgreSQL11 with Zero Downtime

The old way to accomplish upgrades on PostgreSQL used to be using pg_upgrade, dumping and restoring, or using some third party tools, all of them with their own caveats. Nowadays, PostgreSQL allows us to use logical replication which, in contrast to physical replication, you can replicate between different major versions of PostgreSQL. In this blog, we're going to see how we can upgrade our PostgreSQL 10 to PostgreSQL 11 with zero downtime using logical replication.

What's New in PostgreSQL 11

This blog provides an overview of the new features and functions that can be found in PostgreSQL 11 including stored functions, partitioning, and much more!

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.

Failover for PostgreSQL Replication 101

Failover is a procedure that we hope we won’t have to use, but we must know how it works. In this blog, we will be cover the basic definitions of failover in PostgreSQL replication, and some example scenarios where failover can be useful.

How to perform Schema Changes in MySQL & MariaDB in a Safe Way

This blog describes best practices to make your database schema changes in MySQL and MariaDB flawless. We will walk you through different scenarios and recomment some approaches for each.

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