[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index][Old Index]
Re: scp troughput
gdt%lexort.com@localhost (Greg Troxel) writes:
> particularly on the apu2, the tcp window (determined by the
> recvbuf/sendbuf) really matters in terms of 131072 vs 32768
in sshd_config, scp speed went from 30MByte/s to 78MByte/s.
iperf3 speed between these machines is ~830Mbit/s.
The HPN patches we use seem to be counterproductive nowadays.
N.B. the buffer autoscaling is usually pretty good but not aggressive
enough for short sessions. You need a few seconds to ramp up the
buffer size. Making the sendbuf_inc/recvbuf_inc values larger helps.
Michael van Elst
"A potential Snark may lurk in every tree."
Main Index |
Thread Index |