On Sun, Jan 09, 2022 at 06:51:42PM +0000, Richard W.M. Jones wrote: > > Part 1: > https://listman.redhat.com/archives/libguestfs/2022-January/msg00055.html > Part 2: > https://listman.redhat.com/archives/libguestfs/2022-January/msg00057.html > > This is part 3 of my performance analysis of virt-v2v over the last > year. In this email I cover conversion from VMware to a local disk > using VDDK. This is a more realistic test than doing local disk to > local disk conversions. > > As you can see from the new chart in the attached file [LibreOffice > Calc format] modular virt-v2v has got a little faster over all, with > conversion taking slightly longer and copying being slightly faster. > > If you expand the hidden columns (between columns F & M) you will also > see clearly the new flushing behaviour of nbdcopy, where it always > flushes the output to disk, versus "qemu-img convert" which used the > page cache (notice the Sync times in column L). This can make old > virt-v2v appear to be much faster, but the appearance is not real.
I meant to record the virt-v2v command I used, which was: $ virt-v2v -ic 'esx://[email protected]/?no_verify=1' \ -it vddk \ -io vddk-libdir=vddk-7.0.0/vmware-vix-disklib-distrib \ -io vddk-thumbprint=<thumbprint> \ -ip /tmp/vmware-passwd \ 'Fedora 35 standard test' -o local -os /var/tmp The version of VDDK was 7.0.0 in all tests. Rich. -- Richard Jones, Virtualization Group, Red Hat http://people.redhat.com/~rjones Read my programming and virtualization blog: http://rwmj.wordpress.com Fedora Windows cross-compiler. Compile Windows programs, test, and build Windows installers. Over 100 libraries supported. http://fedoraproject.org/wiki/MinGW _______________________________________________ Libguestfs mailing list [email protected] https://listman.redhat.com/mailman/listinfo/libguestfs
