Yes. Hence the attached NVMe, which is the best thing available for random reads. EFS also sucks for high throughput IO. The aforementioned cache obviously won’

Yes. Hence the attached NVMe, which is the best thing available for random reads. EFS also sucks for high throughput IO. The aforementioned cache obviously won’t work for scanning petabytes of data, as it relies on having at least some locality. But that wasn’t an issue for this customer