3 ms·
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 bare
by cheeze 6y ago
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
- tutfbhuf 6y ago> Does this come up in practice? What kind of use cases suffer from disk latency? 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.
- sitkack 6y agoAnything with transaction SLOs in the microsecond or millisecond range. Adtech, fintech, fraud detection, call records, shopping carts. Two big players in this space are Aerospike and ScyllaDB.