Well, that was very uninformative.

> To meet our performance expectations, Kafka must work from memory, and we don’t have much memory to give it... ...Even the smallest customer required two or three Kafka instances

A) What performance expectations? Timeliness?

B) What's "not much" memory?

C) And why don't you have that much?

D) When you say instance, do you mean "broker", or actual clusters? Why did the smallest customer need 2 to 3 of them?