lefred's blog


There Are 10 Types of People in the World....

Migrate from MariaDB to MySQL on CentOS

On this article, I will show you how to migrate your wordpress database from the MariaDB on CentOS to the real MySQL. Why migrating to MySQL 8.0 ? MySQL 8.0 brings a lot of new features. These features make MySQL database much more secure (like new authentication, secure password policies and management, …) and fault tolerant (new data dictionary), more … Read More


MySQL Group Replication, the perfect HA database backend for web hosting

Many web hosting provider are looking for HA solution for the database backend they deliver to their customers. Galera never became the perfect choice for these environment due to 2 factors: no DBA really manage the databases Galera runs database changes in Total Order Isolation What does that really mean ? In fact, when you are a website hosting provider, … Read More


I deeply value the diversity of MySQL developers, users, community and my blog readers. I cannot agree the suffering, oppression, and systemic racism the Black community faces every day. Black lives matter.
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