>> Are you interested in comparing zufs with the scalable fuse prototype? >> If so, I'll push the code into a public repo with some instructions, >> > > Yes please do send it. I will give it a good run. > What fuseFS do you use in usermode? For the start passthrough should do, modified to skip all data. That is what I am doing to measure fuse bandwidth. It also shouldn't be too difficult to add an in-mem tree for dentries and inodes, to be able to measure without tmpfs overhead. Bernd