Hi, just wanted to report, I just tried libvirt-0.8.2 which should use larger dd blocksize. save is still painfully slow, about 1MB/s while host is totally idle... regards nik
On Tue, Jun 22, 2010 at 07:02:08PM -0000, Serge Hallyn wrote: > Just a note that the 0.8.1 release available in maverick gives me about > a 50-second save for a 512M memory image (producing 100M outfile). The > patch listed above and suspected of speeding the saves is not in 0.8.1. > When I hand-apply just that patch, saves take about 8 seconds, but > restore fails. Presumably taking the whole of latest git (or 0.8.2 > whenever it is released) will result in both working and fast > save/restore. > > -- > virsh save is very slow > https://bugs.launchpad.net/bugs/524447 > You received this bug notification because you are a member of qemu- > devel-ml, which is subscribed to QEMU. > > Status in libvirt virtualization API: Unknown > Status in QEMU: Invalid > Status in “libvirt” package in Ubuntu: Confirmed > Status in “qemu-kvm” package in Ubuntu: Confirmed > > Bug description: > As reported here: > http://www.redhat.com/archives/libvir-list/2009-December/msg00203.html > > "virsh save" is very slow - it writes the image at around 1MB/sec on my test > system. > > (I think I saw a bug report for this issue on Fedora's bugzilla, but I can't > find it now...) > > Confirmed under Karmic. > > > > -- ------------------------------------- Ing. Nikola CIPRICH LinuxBox.cz, s.r.o. 28. rijna 168, 709 01 Ostrava tel.: +420 596 603 142 fax: +420 596 621 273 mobil: +420 777 093 799 www.linuxbox.cz mobil servis: +420 737 238 656 email servis: ser...@linuxbox.cz -------------------------------------
