In my previous post, some time ago, I wrote about the new
cluster feature of ProxySQL. For that post, we were working with
three nodes, now we’ll work with even more! If you’ve installed
one ProxySQL per application instance and would like to work up
to more, then this post is for you. If this is new to you,
though, read my earlier post first for more context.
Check the image below to understand the structure of “one
ProxySQL per application”. This means you have ProxySQL
installed, and your application (Java, PHP, Apache server etc) in
the same VM (virtual machine).
Having taken a look at that you probably have a few questions,
- What happens if you have 20 nodes …