MySQL Cluster claims to achieve sub-second failover without any
data loss for commited transactions. And I always wanted to show
this in a demo. Now we created that demo finally. See Mark's blog and Keith's blog for setting up MySQL Cluster on
The nice thing about the RPis is that you can easily pull the plug to test failover. Ok, that is only one possible failure scenario but for sure the most obvious and more impressive than "kill -9".
That demo …