More and more people are nowadays thinking of cloud migration. The question of “Which cloud provider performs better for my MySQL workload?” is really common but cannot always be easily answered. However, there are ways to come up with an answer. This question also applies when thinking of moving to any provider, not necessarily a cloud one or DBaaS.

The Problem

The most reliable conclusion can be found if you have a testing environment that is fully identical and can produce the same amount of traffic compared to your production version. In this case, the comparison should be straightforward as what you have to do is point your testing environment against the under-evaluation (cloud) providers, and evaluate the differences in performance. But this is not always easy, as many organizations do not have such environments or it’s not always possible to replay all traffic.

The Idea

In this …

March 27, 2014 By Severalnines

With datacenters being stretched by resource-intensive applications, more and more businesses are outgrowing their existing in-house capacity and having to reconfigure their IT operations. But how do you migrate a busy application to a totally new data center without downtime? How will the application scale in a virtualized cloud environment? And how do you guard against cloud server failures and keep a high level of uptime?

In this example, we will show you how to migrate a Web application (Wordpress) from a local data center to a AWS VPC. Without downtime even! 

Main steps:

• Setup the cloud servers (for web server + database)
• Install Galera Cluster and ClusterControl
• Setup MySQL replication between the single instance MySQL (local) to Galera Cluster (remote)
• Sync your application …