[CentOS] Scp and SFTP speed much difference???

Wed Oct 12 16:13:51 UTC 2011
John R Pierce <pierce at hogranch.com>

On 10/12/11 9:07 AM, mcclnx mcc wrote:
> we have CENTOS 5.X on server A and Server B.  Both servers have Gigabit network card connect to same switch.
> I test network speed from Server A to Server B and found speed much difference:
> SFTP:   42 MB/Sec
> SCP:    20 MB/sec
> SCP command:  scp -Crp -o CompressionLevel=1 user1 at ServerB:/TMP/File1 .
> Anyone know how to improve SCP speed?

don't specify compression on gigE, it will just slow you down.

scp/sftp should be virtually the same speed, all else being equal

john r pierce                            N 37, W 122
santa cruz ca                         mid-left coast