Does this come up in practice? What kind of use cases suffer from disk latency?
This stuff is all fascinating to me. I have a zfs NAS but I feel like I've barely scratched the surface of SSDs
This stuff is all fascinating to me. I have a zfs NAS but I feel like I've barely scratched the surface of SSDs
One popular example is HFT.
And from my experience on a desktop PC it is better to disable swap and have the OOM killer do his work, instead of swapping to disk, which makes my system noticeable laggy, even with a fast NVMe.
Two big players in this space are Aerospike and ScyllaDB.