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MySQL InnoDB Cluster: upgrade from 8.0.11 to 8.0.12

In April, I already posted an article on how to upgrade safely your MySQL InnoDB Cluster, let’s review this procedure now that MySQL 8.0.12 is out. To upgrade all the members of a MySQL InnoDB Cluster (Group), you need to keep in mind the following points: upgrade all the nodes one by one always end by the Primary Master in … Read More


MySQL InnoDB Cluster 8.0.12 – avoid old reads on partitioned members

We received feedback about how a member should act when leaving the group. And the majority of users wanted that when a node drops out of the group, it should kill all connections and shutdown. I totally agree with that behavior and it’s now the default in MySQL 8.0.12. This new feature is explained in WL#11568. Before this change, the … Read More


MySQL at Oracle Open World and Oracle Code One Oct 22-25 2018 !

This year again, the MySQL Team is eager to participate in the Oracle Open World conference. This is a great opportunity for our engineers and the entire MySQL Team to highlight what we’ve done, and also what we are working on. Another reason to be excited this year is our new participation to Code One, the Oracle developer focused conference. … Read More


MySQL Router HA with Keepalived

After having explained how to achieve HA for MySQL Router for people who doesn’t want to install the MySQL Router on the application servers and after having illustrated how to use Pacemaker, this article explains how to setup HA for MySQL Router using keepalived. Keepalived is very popular, maybe because it’s also very easy to use. We can of course … Read More


MySQL Router HA with Pacemaker

This article will explain how to setup HA for MySQL Router as described in a previous article about where should the router stand. For this setup, I will use Pacemaker (part of RedHat High Availability Add-on and available on RHEL, CentOS, Oracle Linux, …). Of course we need a MySQL InnoDB Cluster but we won’t really use it for the … Read More


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