[denshi_karasu]

Not really. The migration of hundreds of terabytes of data from one storage solution to another is never a no-brainer, and it's not just because of technical concerns. RDS is a very good solution for a lot of people, but it's not the right fit for everyone.

[not_kurt_godel]

OP spent multiple months playing around with the kernel and mysql parameters to solve the issue. What happens when they have to do the same thing for the next version of the kernel, or patches like Meltdown? RDS has entire massive teams dedicated to solving exactly this problem for OP's exact use-case.