As you probably already know, MySQL 8.0 supports Unicode 9.0 and our default charset moved from latin1 to utf8mb4. Recently, Gabi (certainly working on an amazing presentation for PHPWorld) asked me something about how the client deals with the emojis…
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…
In MySQL 8.0, we have now a new way of storing tables definitions: the Data Dictionary ! Thanks to the Data Dictionary, DDLs in MySQL 8.0 are now Atomic. This means tat we have some changes in the behavior of…
Now that MySQL 8.0.3 RC1 is installed and that we saw how to verify the workload, it’s time to see if we can optimize some of the queries. As explained before, rewriting queries when using a product like WordPress is…
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…
As MySQL Community Manager, I am an employee of Oracle and the views expressed on this blog are my own and do not necessarily reflect the views of Oracle.
You can find articles I wrote on Oracle’s blog.