On So., 1. Mai. 2011 04:28:26 CEST, typo W <aqq...@earthlink.net> wrote:
> Hi, I'm brand new to virtualbox, so pardon me in case I made stupid > mistakes. I created a FreeBSD guest out of the regular virtualbox port > (3.2.12) on FreeBSD 8.2, then timed the copying of a 320MB binary file > to another file, which took 4 seconds, ie, 80MB/s. On an identical > hardware I created a CentOS guest out of KVM running on CentOS, and the > same operation only takes 1 second. On both hosts, the copy takes 1 > second. That is, virtualbox slowed the copying to 1/4 speed on my guest > FreeBSD. > > Both hosts are Dell R710, with 6 x 600GB 15K SAS drives forming a RAID6 > with R700 controller with 512MB cache. > > I'm testing in preparation of production servers, so would prefer > regular ports, ie, 4.0.6 tar ball is out of question for now. Virtualbox 4.0 uses async i/o so that will probably improve performance. Please also use the new ahci kernel module in the guest because that also significantly improves i/o performance. Virtualbox 4.0.6 will be committed to the tree next week. _______________________________________________ freebsd-emulation@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-emulation To unsubscribe, send any mail to "freebsd-emulation-unsubscr...@freebsd.org"
