Skip site navigation (1)Skip section navigation (2)
Date:      Wed, 17 Apr 2019 17:54:01 +0200 (CEST)
From:      Wojciech Puchar <wojtek@puchar.net>
To:        Miroslav Lachman <000.fbsd@quip.cz>
Cc:        Wojciech Puchar <wojtek@puchar.net>, freebsd-hackers@freebsd.org
Subject:   Re: openvpn and system overhead
Message-ID:  <alpine.BSF.2.20.1904171753480.98262@puchar.net>
In-Reply-To: <8648d069-2172-2c09-8e59-d66a8265a120@quip.cz>
References:  <alpine.BSF.2.20.1904171707030.87502@puchar.net> <8648d069-2172-2c09-8e59-d66a8265a120@quip.cz>

next in thread | previous in thread | raw e-mail | index | archive | help


On Wed, 17 Apr 2019, Miroslav Lachman wrote:

> Wojciech Puchar wrote on 2019/04/17 17:08:
>> i'm running openvpn server on Xeon E5 2620 server.
>> 
>> when receiving 100Mbit/s traffic over VPN it uses 20% of single core.
>> At least 75% of it is system time.
>> 
>> Seems like 500Mbit/s is a max for a single openvpn process.
>> 
>> can anything be done about that to improve performance?
>
> You can play with ciphers, AES-NI etc.
> https://community.openvpn.net/openvpn/wiki/Gigabit_Networks_Linux
>
> Miroslav Lachman
>
>
again. it's system time mostly not user time.



Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?alpine.BSF.2.20.1904171753480.98262>