Spring Data R2DBC. I'm Telling You the Last Time

There is quite a lot of uncertainty going around reactive drivers and R2DBC in particular. Although we already have some data on performance impacts of reactive drivers, it is important to understand the implementation details to clarify the reasoning behind this data.

Knowing the implementation details also allows us to understand the way transactions behave in the reactive world. Finally, it is always a good idea to review the history of the topic, since a lot of conditions can be explained as a historical outcome.

So we're going to lay this all out step by step, starting from the very first reactive implementations, up until the most modern ones.