MySQL InnoDB Cluster is the official High Availability solution for and from MySQL.
MySQL InnoDB Cluster is composed by MySQL Server, MySQL Group Replication, MySQL Router and MySQL Shell.
Before InnoDB Cluster there was no standard solution for MySQL Availability and many custom solutions were used (some better than the others). But there was a good solution using some similar principles of MySQL Group Replication: Galera.
Now that MySQL InnoDB Cluster is mature and easier to orchestrate than galera, I receive a lot of requests on how to migrate from Galera (or Percona XtraDB Cluster) to MySQL InnoDB Cluster.
I already wrote some time ago an article on this process: how to migrate from Galera to MySQL Group Replication.
In this article we will see how we can migrate from Percona XtraDB …[Read more]