I am using 3 node cluster , with 3 copies of disk image. So, each node have a full copy of disk image.
On Tue, Jun 23, 2015 at 10:37 AM, Vasiliy Tolstov <[email protected]> wrote: > 2015-06-23 1:40 GMT+03:00 ankit bhardwaj <[email protected]>: > > I am new to Sheepdog. Though I have gained enough knowledge to deploy and > > use sheepdog for qemu-kvm VMs. I tried to benchmark Sheepdog and found > that: > > > > 1. Sheepdog's Maximum Read/Write Speed is around 70-80% compared to local > > storage. That too when the condition are in favour of sheepdog. Example: > > Full copy of data on same node and Reading or writing sequential Data > etc. > > > > 2. When using VM disk image to boot VM from Sheepdog storage, some extra > > system activities increase the load on the CPU from 30-40%. > > > > Can you please tell me,: > > Why the speed is slow, even if all the data is on the same machine ? > > What activity in sheepdog is eating up my processor cycles ? > > > > > > Sorry for the loosely described experiments and results. > > > I think we need command line for running sheepdog and how you format > you cluster (erasure coded or replicas) ? > > -- > Vasiliy Tolstov, > e-mail: [email protected] > -- Ankit Bhardwaj
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