Re: [Libguestfs] read/write performance through mount point by guestmount

On Mon, Jul 31, 2017 at 06:52:28PM +0800, lampahome wrote: No. The layers are only present because guestmount uses FUSE. libguestfs itself performs very well if you are careful to use it in the correct way. The architecture of libguestfs is described here: http://libguestfs.org/guestfs-internals.1.html#architecture and we have tools for testing the performance of the virtio-serial connection, qemu block layer and overhead of starting the appliance: https://github.com/libguestfs/libguestfs/tree/master/utils and we have a page of tips on getting the best performance: http://libguestfs.org/guestfs-performance.1.html Rich. -- Richard Jones, Virtualization Group, Red Hat http://people.redhat.com/~rjones Read my programming and virtualization blog: http://rwmj.wordpress.com virt-top is 'top' for virtual machines. Tiny program with many powerful monitoring features, net stats, disk stats, logging, etc. http://people.redhat.com/~rjones/virt-top