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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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[-- Attachment #1 --]
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

(\__/) 
(='.'=) 
E[: | | | | :]З 
(")_(")


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