Date: Tue, 1 Mar 2016 14:30:50 +0300 From: Alexey Tarasov <me@lexasoft.ru> To: stable@freebsd.org Cc: =?utf-8?B?0KLQsNGA0LDRgdC+0LIg0JDQu9C10LrRgdC10LnigI4KINCS0Lg=?= =?utf-8?B?0LrRgtC+0YDQvtCy0LjRhw==?= <me@lexasoft.ru> Subject: Virtio network: poor network with KVM hypervisor (latest Proxmox) Message-ID: <93EDB7DE-7940-4525-AC7C-E9D62290375D@lexasoft.ru>
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Hi all!
I am using the latest Proxmox 4.1 with all updates installed.
I have several VM's with FreeBSD guests and 1 VM with Ubuntu 14 (all KVM).
Host system file download speed: 60 MBps.
FreeBSD guest download speed: 2 MBps on virtio network with TSO enabled, 5-9 MBps with TSO disabled; 12 MBps on e1000 network.
Ubuntu guest: 60 MBps with virtio.
I've tried the following:
1) Different FreeBSD versions: 9.3, 10.2, 10.3-BETA3.
2) Different TSO settings, enabling/disabling RXCSUM.
3) Different TSO settings on host system.
The best results I got described above :(
Does anyone have any ideas how to get full network performance inside FreeBSD guests?
--
Alexey Tarasov
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