lefred's blog


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the MySQL Team in Austin, TX

At the end of the month, some engineers of the MySQL Team will be present in Austin, TX ! We will attend the first edition of Percona Live USA in Texas. During that show, you will have the chance to meet key engineers, product managers, as well as Dave and myself. Let me present you the Team that will be … Read More


Using the new MySQL Shell Reporting Framework to monitor InnoDB Cluster

With MySQL Shell 8.0.16, a new very interesting feature was released: the Reporting Framework. Jesper already blogged about it and I recommend you to read his articles if you are interested in writing your own report: https://mysql.wisborg.dk/2019/04/26/mysql-shell-8-0-16-built-in-reports/ https://mysql.wisborg.dk/2019/04/27/mysql-shell-8-0-16-user-defined-reports/ I this post, I will show you one user-defined report that can be used to monitor your MySQL InnoDB Cluster / Group … Read More


MySQL InnoDB Cluster : avoid split-brain while forcing quorum

We saw yesterday that when an issue (like network splitting), it’s possible to remain with a partitioned cluster where none of the partition have quorum (majority of members). For more info read how to manage a split-brain situation.


Replace MariaDB 10.3 by MySQL 8.0

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 powerful (new redo log design, less contention, extreme scale out of InnoDB, …), better operation management (SQL Roles, instant add columns), many … Read More


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


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