MySQL 8.0 Roles and Graphml
You may already know that MySQL 8.0 is coming with a nice requested feature : ROLES A role is a named collection of privileges. When you watch some slidedeck about MySQL 8.0 and ROLES, some times you can see a…
Category General
From MySQL 5.6 partitioning to 5.7 and beyond
As you may already know, since MySQL 5.7.17, the generic partitioning handler in the MySQL server is deprecated, and is completely removed in MySQL 8.0. So now, in MySQL 5.7, the storage engine used for a given table is expected…
MySQL 8.0 Data Dictionary Tables… and why they should stay protected
With MySQL 8.0, one key feature is the new Data Dictionary. The system tables that were previously in MyISAM are now replaced by new protected ones in the DD. My friend Giuseppe already explained how you could see those tables…
MySQL InnoDB Cluster: how to handle performance issue on one member ?
Sometimes when you are using a MySQL InnoDB Cluster, you might encounter some performance issue because one node becomes dramatically slow. Why ? First of all, why ? A node can apply the transactions slower than the other nodes…
Migrating to MySQL 8.0 for WordPress – episode 2: workload analysis
Now that MySQL is upgraded to 8.0 RC1, let’s have a look on how we could check the workload and see if we can optimize something by adding indexes for example. The same technique can be used to find inefficient…