Date: Fri, 4 Mar 2016 11:02:08 +0300 From: Alexey Tarasov <me@lexasoft.ru> To: current@freebsd.org Cc: =?utf-8?B?0KLQsNGA0LDRgdC+0LIg0JDQu9C10LrRgdC10LnigI4KINCS0Lg=?= =?utf-8?B?0LrRgtC+0YDQvtCy0LjRhw==?= <me@lexasoft.ru> Subject: Virtio network: poor performance with KVM hypervisor (latest Proxmox) Message-ID: <AA6E727D-5178-4253-86E2-49365E3699C5@lexasoft.ru>
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Hi all!=20
I am using the latest Proxmox 4.1 with all updates installed.=20
I have several VM's with FreeBSD guests and 1 VM with Ubuntu 14 (all =
KVM).=20
Host system file download speed: 60 MBps.=20
FreeBSD guest download speed: 2 MBps on virtio network with TSO enabled, =
5-9 MBps with TSO disabled; 12 MBps on e1000 network.=20
Ubuntu guest: 60 MBps with virtio.=20
I've tried the following:=20
1) Different FreeBSD versions: 9.3, 10.2, 10.3-BETA3.=20
2) Different TSO settings, enabling/disabling RXCSUM.=20
3) Different TSO settings on host system.=20
The best results I got described above :(=20
Does anyone have any ideas how to get full network performance inside =
FreeBSD guests?=20
--
Alexey Tarasov
(\__/)=20
(=3D'.'=3D)=20
E[: | | | | :]=D0=97=20
(")_(")
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