Hitoshi Mitake

@tankitty vdi cloning just introduces a new inode object that consumes only 12MB, so it is strange. Could you provide full command line for cloning operation?

You are using `-n` option that causes deep copy of objects. It consumes bunch of disk space. Is it really needed for your usecase?

Without `-n`, cloned VDIs don't consume disk space until the shared objects are overwritten.

Yes, a number of cloned VDIs doesn't matter for the cloning functionality.

Yes, creating a base image snapshot -> clone without `-n` would be the best practice for your case.

If your network has 4Gbps bandwidth, it is not saturated yet (I'm not sure the above traffic patterns include the cloning operation). Maybe cloning without `-n` works well for your...

The objects will be stored only in 3 sheep nodes.

Your network seems not to be saturated. Could you try cloning without `-n` and do some benchmarking? I'm interested in the result of such workload (and it would work well,...

I didn't know the data path in ceph, it seems to be much simpler. However, according to our benchmarking result, sheepdog provides better performance than ceph. You can find results...

If you want to optimize data path, LTTng infrastructure would be useful. @cjd3000 is working on analysis with it. I think you guys can cooperate on this topic :)