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Re: [lvs-users] Performance issues and optimization UDP LVS-NAT

To: Julian Anastasov <ja@xxxxxx>
Subject: Re: [lvs-users] Performance issues and optimization UDP LVS-NAT
Cc: lvs-users@xxxxxxxxxxxxxxxxxxxxxx
From: Marco Lorig <mlorig@xxxxxxx>
Date: Wed, 18 Mar 2020 08:29:15 +0100
Hi

Am 17.03.2020 um 19:51 schrieb Marco Lorig:
>
> Done. At the moment about 2400 VPN Clients are connected but
> nf_conntrack_count is still 0. nf_conntrack_max is set on module load
> but net.ipv4.vs.conntrack=1 is set AFTER ipvs config is loaded.
>
> VPN is only UDP500/4500.

The setting seems not to have any affect (maybe only for TCP
balancing?). Load and drop rate still increases.

Bandwith is at 1,14gbps IN / 194mb/s out, ~160.000pkt/s in/ 100.000pkt/s out
/proc/net/ip_vs_conn: 10832
IPVS Connections (ipvsadm): 10832 (InActConn due to UDP)

Is there any other option to optimize performance/reduce paket drops?

regards Marco


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