On Nov 7, 2012, at 11:20 AM, Mark Nelson <mark.nelson@xxxxxxxxxxx> wrote: >>> Right now I'm doing 3 journals per SSD, but topping out at about >>> 1.2-1.4GB/s from the client perspective for the node with 15+ drives and >>> 5 SSDs. It's possible newer versions of the code and tuning may >>> increase that. >> >> What interconnect is this? 10G Ethernet is 1.25 GB/s line rate and I would expect your Sockets and Ceph overhead to eat into that. Or is it dual 10G Ethernet? > > This is 8 concurrent instances of rados bench running on localhost. > Ceph is configured with 1x replication. 1.2-1.4GB/s is the aggregate > throughput of all of the rados bench instances. Ok, all local with no communication. Given this level of local performance, what does that translate into when talking over the network? Scott -- To unsubscribe from this list: send the line "unsubscribe ceph-devel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
