Re: [Libguestfs] Benchmarks of asynch nbdublk (was: Re: [PATCH libnbd] ublk: Add new nbdublk program)

2022-08-28 Thread Richard W.M. Jones
On Sun, Aug 28, 2022 at 11:21:25PM +0800, Ming Lei wrote: > On Sat, Aug 27, 2022 at 06:40:29PM +0100, Richard W.M. Jones wrote: > > Alright, so final version for now is here: > > > > https://gitlab.com/rwmjones/libnbd/-/tree/nbdublk/ublk > > Just clone the above branch, but can't build because

Re: [Libguestfs] Benchmarks of asynch nbdublk (was: Re: [PATCH libnbd] ublk: Add new nbdublk program)

2022-08-28 Thread Richard W.M. Jones
On Sun, Aug 28, 2022 at 04:39:07PM +0100, Richard W.M. Jones wrote: > On Sun, Aug 28, 2022 at 11:21:25PM +0800, Ming Lei wrote: > > On Sat, Aug 27, 2022 at 06:40:29PM +0100, Richard W.M. Jones wrote: > > > Alright, so final version for now is here: > > > > > > https://gitlab.com/rwmjones/libnbd/

Re: [Libguestfs] Benchmarks of asynch nbdublk (was: Re: [PATCH libnbd] ublk: Add new nbdublk program)

2022-08-28 Thread Richard W.M. Jones
On Sun, Aug 28, 2022 at 04:39:07PM +0100, Richard W.M. Jones wrote: > Performance was within 25% of disk access over virtio-scsi, which I > think is pretty good. BTW we had a GSoC student last summer who was supposed to work on adding io_uring support to libnbd. Unfortunately they didn't complete