How to Scale a Read Replica Model

The right database A was insert only and B had minimal indexes on it because you didn't we didn't need them. You were never going to read from them and indexes caused a lot of the blocking and locking it. And say, I already you all you just want to see your data. So I'll keep a copy of your data round to show you right away while it spends X many milliseconds getting synchronized on the back end. It's that kind of separating these concerns of okay, I have these rights like you're saying you want them to be fast or kind of offloading indexes there that contention.