This blog describes how to upgrade Percona XtraDB Cluster in place from 5.6.24-72.2 to 5.6.32-25.17.
This very hands-on blog is the result of some questions such as “can I perform an in-place upgrade for Percona XtraDB Cluster” coming in. We have done these minor upgrades for Percona Managed Services customers running Percona XtraDB Cluster with lots […]
High Availability
Have you ever wondered if your application should be able to work in read-only mode? How important is that question?
MySQL seems to be the most popular database solution for web-based products. Most typical Internet application workloads consist of many reads, with usually few writes. There are exceptions of course – MMO games for […]
A question I often hear when customers want to set up a production PXC cluster is: “How many nodes should we use?”
Three nodes is the most common deployment, but when are more nodes needed? They also ask: “Do we always need to use an even number of nodes?”
This is what we’ll clarify in this […]
