As someone who used Percona in production, its fantastic for a small/medium workload, (depending on your definition of those) but it has pretty hard limits on s

As someone who used Percona in production, its fantastic for a small/medium workload, (depending on your definition of those) but it has pretty hard limits on scaling without an intermediate layer, which then mostly defeats its purpose - dead simple clustering. I agree completely that 100k directs is bad, but they're writing from a perspective where the alternative would likely mean switching to a different product.