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Hi,

=20

That worked. Thanks for the suggestion.

=20

Thanks and Regards,

BSR

________________________________

From: proftp-user-bounces@lists.sourceforge.net
[mailtoroftp-user-bounces@lists.sourceforge.net] On Behalf Of Longman,
Bill
Sent: Monday, February 26, 2007 10:31 PM
To: proftp-user@lists.sourceforge.net
Subject: Re: [Proftpd-user] Windows proFTPD performance Issues with
1Gbpsnetwork

=20

TCP window size. Google it.

=20

=09
________________________________


From: proftp-user-bounces@lists.sourceforge.net
[mailtoroftp-user-bounces@lists.sourceforge.net] On Behalf Of
Srinivasa Battula
Sent: Monday, February 26, 2007 3:57 AM
To: proftp-user@lists.sourceforge.net
Subject: [Proftpd-user] Windows proFTPD performance Issues with
1 Gbpsnetwork

Hi Guys,

I am observing strange behavior of proftpd when the system
is on 1 Giga network. The download speed (4 MB) are very low compared to
upload speeds (30 MB). However the speeds are consistent on 100 Mbps.
This problem is being observed when both server and client are on
Windows. I have used Windows FTP Client and File zilla client for the
above test cases and found the pattern is similar. Please find my
observed statistics with different server-client configurations:

=20

Windows Server and Windows Client:

Upload speed: 30 MB/Sec

Download Speed: 4 MB/Sec=20

=20

Windows Server and Linux Client:

Upload speed: 35 MB/Sec

Download Speed: 14 MB/Sec

=20

Linux Server and Windows Client:

Upload speed: 35 MB/Sec

Download Speed: 14 MB/Sec

=20

Please do suggest me on this.

=20

Thanks and Regards,

BSR

=20


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xmlns=3D"urn:schemas-microsoft-comfficeffice" =
xmlns:w=3D"urn:schemas-microsoft-comffice:word" =
xmlns=3D"http://www.w3.org/TR/REC-html40">


charset=3Dus-ascii">










style=3D'font-size:
10.0pt;font-family:Verdana;color:blue'>Hi,>>



style=3D'font-size:
10.0pt;font-family:Verdana;color:blue'>>

>

style=3D'font-size:
10.0pt;font-family:Verdana;color:blue'>That worked. Thanks for the =
suggestion.>>



style=3D'font-size:
10.0pt;font-family:Verdana;color:blue'>>

>



style=3D'font-size:
10.0pt;font-family:Verdana;color:blue'>Thanks and =
Regards,
color=3Dblue>>>



style=3D'font-size:
10.0pt;font-family:Verdana;color:blue'>BSR
>>







size=3D3
face=3D"Times New Roman">






style=3D'font-size:10.0pt;
font-family:Tahoma;font-weight:bold'>From:
size=3D2
face=3DTahoma>
proftp-user-bounces@lists.sourceforge.net
[mailtoroftp-user-bounces@lists.sourceforge.net] style=3D'font-weight:
bold'>On Behalf Of
Longman, Bill

Sent: Monday, February =
26, 2007
10:31 PM

To:
proftp-user@lists.sourceforge.net

Subject: Re: =
[Proftpd-user]
Windows proFTPD performance Issues with =
1Gbpsnetwork
>>





style=3D'font-size:
12.0pt'>>



style=3D'font-size:
10.0pt;font-family:Arial;color:blue'>TCP window size. Google =
it.
>>



1.5pt;padding:0in 0in 0in 4.0pt;
margin-left:3.75pt;margin-top:5.0pt;margin-right:0in;margin-bottom:5.0pt'=
>


style=3D'font-size:
12.0pt'>>



size=3D3
face=3D"Times New Roman">






face=3DTahoma> style=3D'font-size:10.0pt;font-family:Tahoma;font-weight:bold'>From: n> size=3D2 face=3DTahoma> style=3D'font-size:10.0pt;font-family:Tahoma'>
proftp-user-bounces@lists.sourceforge.net
[mailtoroftp-user-bounces@lists.sourceforge.net] style=3D'font-weight:
bold'>On Behalf Of
Srinivasa Battula

Sent: Monday, February =
26, 2007
3:57 AM

To:
proftp-user@lists.sourceforge.net

Subject: [Proftpd-user] =
Windows
proFTPD performance Issues with 1 =
Gbpsnetwork
>>



style=3D'font-size:10.0pt;
font-family:Verdana'>Hi Guys,>>



style=3D'font-size:10.0pt;
font-family:Verdana'>    I am observing strange behavior =
of
proftpd when the system is on 1 Giga network. The download speed (4 MB) =
are
very low compared to upload speeds (30 MB). However the speeds are =
consistent
on 100 Mbps. This problem is being observed when both server and client =
are on
Windows. I have used Windows FTP Client and File zilla client for the =
above
test cases and found the pattern is similar. Please find my observed =
statistics
with different server-client =
configurations:>>



style=3D'font-size:10.0pt;
font-family:Verdana'>>



style=3D'font-size:10.0pt;font-family:Verdana;color:blue;font-weight:bold=
'>Windows
size=3D2 face=3DVerdana> style=3D'font-size:10.0pt;font-family:Verdana;
font-weight:bold'> Server and style=3D'color:red'>Windows
Client:>>



style=3D'font-size:10.0pt;
font-family:Verdana'>        &nbs=
p;
Upload speed: 30 MB/Sec>>



style=3D'font-size:10.0pt;
font-family:Verdana'>        &nbs=
p;
Download Speed: 4 =
MB/Sec
>>



style=3D'font-size:10.0pt;
font-family:Verdana'>>



style=3D'font-size:10.0pt;font-family:Verdana;color:blue;font-weight:bold=
'>Windows
size=3D2 face=3DVerdana> style=3D'font-size:10.0pt;font-family:Verdana;
font-weight:bold'> Server and style=3D'color:#FF6600'>Linux
Client:>>



style=3D'font-size:10.0pt;
font-family:Verdana'>        &nbs=
p;
Upload speed: 35 MB/Sec>>



style=3D'font-size:10.0pt;
font-family:Verdana'>        &nbs=
p;
Download Speed: 14 MB/Sec>>



style=3D'font-size:10.0pt;
font-family:Verdana'>>



style=3D'font-size:10.0pt;font-family:Verdana;color:blue;font-weight:bold=
'>Linux
size=3D2 face=3DVerdana> style=3D'font-size:10.0pt;font-family:Verdana;
font-weight:bold'> Server and style=3D'color:green'>Windows
Client:>>



style=3D'font-size:10.0pt;
font-family:Verdana'>        &nbs=
p;
Upload speed: 35 MB/Sec>>



style=3D'font-size:10.0pt;
font-family:Verdana'>        &nbs=
p;
Download Speed: 14 MB/Sec>>



style=3D'font-size:10.0pt;
font-family:Verdana'>>



style=3D'font-size:10.0pt;
font-family:Verdana'>Please do suggest me on =
this.>>



style=3D'font-size:10.0pt;
font-family:Verdana'>>



style=3D'font-size:10.0pt;
font-family:Verdana'>Thanks and Regards,
>>



style=3D'font-size:10.0pt;
font-family:Verdana'>BSR
>>



style=3D'font-size:
12.0pt'>>











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