Date: Wed, 17 Apr 2019 17:37:15 +0200 From: Miroslav Lachman <000.fbsd@quip.cz> To: Wojciech Puchar <wojtek@puchar.net>, freebsd-hackers@freebsd.org Subject: Re: openvpn and system overhead Message-ID: <8648d069-2172-2c09-8e59-d66a8265a120@quip.cz> In-Reply-To: <alpine.BSF.2.20.1904171707030.87502@puchar.net> References: <alpine.BSF.2.20.1904171707030.87502@puchar.net>
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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
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