Date: Fri, 03 Feb 2017 20:21:29 +0000 From: bugzilla-noreply@freebsd.org To: freebsd-bugs@FreeBSD.org Subject: [Bug 216760] Memory Management Freebsd Guest On QEMU-KVM HOst Message-ID: <bug-216760-8@https.bugs.freebsd.org/bugzilla/>
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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D216760 Bug ID: 216760 Summary: Memory Management Freebsd Guest On QEMU-KVM HOst Product: Base System Version: 11.0-RELEASE Hardware: amd64 OS: Any Status: New Severity: Affects Some People Priority: --- Component: bin Assignee: freebsd-bugs@FreeBSD.org Reporter: kvanbiesen@gmail.com CC: freebsd-amd64@FreeBSD.org CC: freebsd-amd64@FreeBSD.org Performance Is Insanely low on when you install freebsd on a QEMU-KVM command to test: sysbench --num-threads=3D1 --test=3Dmemory --memory-total-size=3D1G run FREEBSD 11 on QEMU-KVM Operations performed=3D 1048576 (61139.84 ops/sec) 1024.00 transferred (59.71 MB/sec) UBUNTU 11 on identical KVM: Operations performed=3D 1048576 (2718486.33 ops/sec) 1024.00 transferred (2654.77 MB/sec) FREEBSD on bare metal: Around 2700MB/s I tested this on several installations; BBother freebsd 10 and 11. On Diffe= rent KVM's, all the same results. Freebsd speeds are more than 60 times slower.= =20 Another user has tested this on servers KVM as in this reddit topic: https://www.reddit.com/r/freebsd/comments/5rtf05/abysmal_memory_perfomance_= witch_freebsd_under/ FReebsd as guest under vmware and virtualbox performs as normal (speeds way over 2000MB) Gonna file a bug report with QEMU as well --=20 You are receiving this mail because: You are the assignee for the bug.=
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