Am 11.11.2012 12:12, schrieb Alexandre DERUMIER:
If I remember good, stefan can achieve 100.000 iops with iscsi with same kvm
host.
Correct but this was always with scsi-generic and I/O multipathing on
host. rbd does not support scsi-generic ;-(
I have checked ceph mailing, stefan seem to have resolved his problem with dual
core with bios update !
Correct. So speed on Dual Xeon is now 14.000 IOP/s and 18.000 IOP/s on
Single Xeon. But the difference is an issue of the CPU Speed. 3,6Ghz
Single Xeon vs. 2.5Ghz Dual Xeon.
Right now RBD in KVM is limited by CPU speed.
Greets,
Stefan
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