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Until adoption of io_uring picks up (looking at you RHEL), I’m not sure it’s even really possible to hit the bandwidth of modern nvme drives. It takes a lot of
by sakras 4y ago
Until adoption of io_uring picks up (looking at you RHEL), I’m not sure it’s even really possible to hit the bandwidth of modern nvme drives. It takes a lot of parallelism to do, and eventually context switch overhead kills you.
- janwas 4y agoFWIW Windows has had something basically equivalent (IO completion ports) for quite some time. Indeed helpful, I remember that early SSDs already required high queue depths.