Re: Network performance - iperf

[Michal Simek]

Eric Dumazet wrote:
> Le lundi 29 mars 2010 Ã 13:33 +0200, Michal Simek a Ãcrit :
>
> > Do you have any idea howto improve TCP/UDP performance in general?
> > Or tests which can point me on weak places.
>
> Could you post "netstat -s" on your receiver, after fresh boot and your
> iperf session, for 32 MB and 256 MB ram case ?

I am not sure if is helpful but look below.

Thanks,
Michal

~ # ./netstat -s
Ip:
    0 total packets received
    0 forwarded
    0 incoming packets discarded
    0 incoming packets delivered
    0 requests sent out
Icmp:
    0 ICMP messages received
    0 input ICMP message failed.
    ICMP input histogram:
    0 ICMP messages sent
    0 ICMP messages failed
    ICMP output histogram:
Tcp:
    0 active connections openings
    0 passive connection openings
    0 failed connection attempts
    0 connection resets received
    0 connections established
    0 segments received
    0 segments send out
    0 segments retransmited
    0 bad segments received.
    0 resets sent
Udp:
    0 packets received
    0 packets to unknown port received.
    0 packet receive errors
    0 packets sent
    RcvbufErrors: 0
    SndbufErrors: 0
UdpLite:
    InDatagrams: 0
    NoPorts: 0
    InErrors: 0
    OutDatagrams: 0
    RcvbufErrors: 0
    SndbufErrors: 0
error parsing /proc/net/snmp: Success



--
Michal Simek, Ing. (M.Eng)
PetaLogix - Linux Solutions for a Reconfigurable World
w: www.petalogix.com p: +61-7-30090663,+42-0-721842854 f: +61-7-30090663
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