On Sat, Mar 29, 2014 at 10:34 AM, Big Lebowski <spankthes...@gmail.com>wrote:
> To further clarify how does it looks like: > > * I am logging in via ssh > * I am launching tmux with two windows > * In first window I am starting svnlite checkout of base/head to /usr/src > * I am immediately switching to second window - the OS is unusable even > there, where the SSH delays caused by displaying lot of text should not be > an issue > > When watching top, the OS has minimal load (around 0.1), often 100% idle, > svnlite is consuming about 10-16% WCPU, and the system mostly freezes (it > doesnt accept any keyboard input, nor updates the screen for a while, yet > flashing the cursor) when svnlite is in getblk or kqread state. After few > seconds it starts being responsive again (not causing any ssh timeouts or > anything like that), does any keyboard input that was provided when it was > freezed, and after few seconds freezes again. > > I am happy to provide any requested details, or even the machine for closer > inspection. Right now I am trying to bump it up to -CURRENT to see if it > happens as well on 11. > > Regards, > BL > > quite odd because we use XenServer 6.2 also with FreeBSD-10 and dont see > any degradation like you discuss, we also have xen utiities installed > we have used both ufs and zfs on fresh installs, recompiled from svn stable/10 > > On Sat, Mar 29, 2014 at 3:17 PM, Big Lebowski <spankthes...@gmail.com > >wrote: > > > In addition to that, I've also noticed that even with xe guest > utilitiest > > installed and started, neither halt nor shutdown -h now are working (they > > seem to stop the guest OS, but the vm stays up for the hypervisor and > needs > > to be forced to shutdown/restart) and that the XenCenter console is not > > refreshing properly (it requires some additional movement, like cursor > keys > > being used to refresh the screen). > > > > Regards, > > BL > > > > > > On Sat, Mar 29, 2014 at 12:38 PM, Big Lebowski <spankthes...@gmail.com > >wrote: > > > >> Hi all, > >> > >> I've just installed XenServer 6.2 along with all latest patches (SP1 and > >> 014 update) on a machine that was previously a bare metal FreeBSD 9.2-R > >> installation, running fast and smooth. > >> > >> That machine is a Quad Core cpu with 32GB of RAM: > >> > >> processor : 0 > >> vendor_id : GenuineIntel > >> cpu family : 6 > >> model : 58 > >> model name : Intel(R) Core(TM) i7-3770 CPU @ 3.40GHz > >> stepping : 9 > >> cpu MHz : 3400.086 > >> cache size : 8192 KB > >> physical id : 0 > >> siblings : 1 > >> core id : 0 > >> cpu cores : 1 > >> apicid : 0 > >> initial apicid : 0 > >> fdiv_bug : no > >> hlt_bug : no > >> f00f_bug : no > >> coma_bug : no > >> fpu : yes > >> fpu_exception : yes > >> cpuid level : 13 > >> wp : yes > >> flags : fpu de tsc msr pae mce cx8 apic sep mtrr mca cmov pat clflush > >> acpi mmx fxsr sse sse2 ss ht nx constant_tsc nonstop_tsc aperfmperf pni > >> pclmulqdq vmx est ssse3 sse4_1 sse4_2 x2apic popcnt aes hypervisor ida > arat > >> tpr_shadow vnmi flexpriority ept vpid > >> bogomips : 6835.86 > >> clflush size : 64 > >> cache_alignment : 64 > >> address sizes : 36 bits physical, 48 bits virtual > >> power management: > >> > >> and 2x 3TB SATA disks connected in software raid 1 (mdraid). > >> > >> After performing the updates on XenServer, I've installed first vm, > >> FreeBSD 10.0-R amd64: > >> > >> FreeBSD poudriere 10.0-RELEASE FreeBSD 10.0-RELEASE #0 r260789: Thu Jan > >> 16 22:34:59 UTC 2014 r...@snap.freebsd.org: > /usr/obj/usr/src/sys/GENERIC > >> amd64 > >> > >> with 8 vcpu's, 8GB of RAM, and two vdisks, 8GB for /, and 100GB for > >> /poudriere (both mounted with noatime). After playing a while with the > vm > >> (installing pkg, peforming portsnap fetch extract, installing poudriere) > >> I've noticed extremely poor performance: > >> > >> * portsnap extract can take over 20 minutes to dump the ports tree > >> * svnlite checkout of head/base takes ages and while it is happening, > the > >> vm is almost unusable: it freezes periodicaly so even typing in console > is > >> impossible, ls -la /usr/src takes few seconds to execute, the svnlite > >> process displays checked files in chunks (it runs for a while, freezes, > >> runs for a while again, and so on) > >> > >> I wonder if there's anything I am missing in running FreeBSD as > XenServer > >> guest? Linux vms on the same XenServer host are running faster by > orders of > >> magnitude, and fbsd is not just slower, its unusable. > >> > >> I'd appreciate any help! > >> > >> Regards, > >> BL. > >> > > > > > _______________________________________________ > email@example.com mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-xen > To unsubscribe, send any mail to "freebsd-xen-unsubscr...@freebsd.org" > _______________________________________________ firstname.lastname@example.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-xen To unsubscribe, send any mail to "freebsd-xen-unsubscr...@freebsd.org"