Ubuntu Server 8.04 Slow File Uploads - Solved - Sort of!

[Tortise]

The reason for the slow and temporary disconnections I have not got to the bottom of, I therefore installed FreeBSD 7.0, this takes 
a little more to configure, and a compile of apache, however it performs to expectation.
While the Ubuntu Server HDD / install exists I am happy to test any suggestions as I expect many have Ubuntu Server performing much 
better, however currently I doubt Ubuntu can / will be any better than FreeBSD.
Kind regards
The Tortise

----- Original Message ----- 
From: "Tortise" <tortise at paradise.net.nz>
To: "Ubuntu user technical support, not for general discussions" <ubuntu-users at lists.ubuntu.com>
Sent: Thursday, June 26, 2008 5:14 PM
Subject: Ubuntu Server 8.04 Slow File Uploads


Hi

I have two servers and an XP notebook all on same Gig LAN, one an old Celeron 466 / Debian.

>From Windows XP / Dual Pentium notebook can transfer a 1 Meg binary file in the blink of an eye onto Debian. (Less than a second)

Have made a new Ubuntu Server 8.04, AMD 500 II, setup SSH, log in using SFTP (Same PC, same WinSCP settings etc!) same file takes 10
mins!!! Can download file off new server (once its there!) in a flash, so server NIC seems OK.

I installed using apt-get install ssh openssh-server

Was using WinSCP 406, upgraded to 407, same, upgraded 413, still same! The /etc/ssh/sshd_config files on the respective machines are
largely identical, apart from upgrade(?) syntax changes. Protocol is SFTP(SCP), no key file, SSH protocl Ver 2. (Same for each shown
with saved hovertip)

Checking further both CPU's utilization are minimally touched by this, using task manager and top.

I also note the Ubuntu server transfers seem to hang with the transfer window frequently unresponsive, yet updated every multiple of
seconds. They start off reporting very fast transfers (as expected) with typ speeds of 50,000B/s

Thinking it may be WinSCP I tried tunnelier, with the same results!

Suggests something about ubuntu server?, perhaps setup, perhaps someone here can suggest please?

The Tortise.


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