lefred's blog


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From MySQL Group Replication to MySQL InnoDB Cluster

I wanted to be brave and I installed MySQL Group Replication manually…. it was painful ! Then I realized that managing those servers and especially deal with MySQL Routers was even more painful ! What are my options now ? Is there a solution or do I need to restart from scratch ? Asking the answer is already answering it… … Read More


MySQL 8.0 InnoDB Cluster with WordPress in OCI – part III

With this post we are reaching the end of our journey to HA for WordPress & MySQL 8.0 on OCI. If you have not read the two previous articles, this is just the right time. MySQL 8.0 InnoDB ReplicaSet with WordPress in OCI MySQL 8.0 InnoDB ReplicaSet with WordPress in OCI – part II We started this trip using the … Read More


MySQL 8.0 InnoDB ReplicaSet with WordPress in OCI – part II

This article is the second part of our journey to WordPress and MySQL 8.0 High Availability on OCI. The first part can be read here. We ended part I with one webserver hosting WordPress. This WordPress was connecting locally to MySQL Router using HyperDB add-on. This add-on allows to split the reads & writes on MySQL Servers using replication. And … Read More


MySQL 8.0 InnoDB ReplicaSet with WordPress in OCI

Today’s article is again related to WordPress and MySQL 8.0. We will see how we can setup MySQL InnoDB ReplicaSet and configure WordPress to split the load using both MySQL Instances: we will split reads and writes between the Primary and the Secondary member of our ReplicaSet. This will be the first part of our journey to achieve HA for … Read More


HA for our website’s database in OCI with MySQL InnoDB Cluster

In the previous post, we setup a Drupal website with MySQL as backend on a different compute instance in a different subnet. Today we will increase the High Availability of our Database by transforming this single MySQL instance into a MySQL InnoDB Cluster!


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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