Originally written by Fernando Ipar and Martin Arrieta
This is the third post in our MySQL Fabric series. If you missed the previous two, we started with an overall introduction, and then a discussion of MySQL Fabric’s high-availability (HA) features. MySQL Fabric was RC when we started this series, but it went GA recently. You can read the press release here, and see this blog post from Oracle’s Mats Kindahl for more details. In our previous post, we showed a simple HA setup managed with MySQL Fabric, including some basic failure scenarios. Today, we’ll present a similar scenario from an application developer’s point of view, using the Python Connector for the examples. If you’re following the examples on these posts, you’ll notice that the UUID for servers will be changing. That’s because we rebuild the environment between runs. Symbolic names stay the same though. That said, here’s our usual 3 node setup: