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A comment on Faster Index I/O with NVMe SSDs. Parent comment
I believe the next generation ceph OSD is built on seastar as well: https://docs.ceph.com/en/reef/dev/crimson/crimson/
With something like ceph, latency is everything as writes need to be synchronously committed to each OSD replica before the writing client is unblocked.
They use DPDK (optionally) for network IO, not SPDK.
I believe the next generation ceph OSD is built on seastar as well: https://docs.ceph.com/en/reef/dev/crimson/crimson/
With something like ceph, latency is everything as writes need to be synchronously committed to each OSD replica before the writing client is unblocked.