speedup remains 1

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05-07-2008

Julian Pace Ross

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speedup remains 1

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Hi List,

I'm observing a strange problem on 2.6.9 (no opportunity to upgrade on =
both ends yet).=20
Receiver is linux, sender is cygwin.

I transferred a 6GB file (an MS SQL .bak file) physically from one site =
to the other, in order to get the first "backup" done.

In the meantime, the sender generated a new file, which I know for a =
fact to be very similar to the manually transferred version.

I'm trying to rsync the new file with:
rsync -av --delete --omit-dir-times --chmod=3Dugo=3DrwX -b =
--backup-dir=3Dbackup --progress -e "bin\ssh -l user" =
--files-from=3Dtemplist "/cygdrive/D/" 217.xxx.xxx.xxx::SQL

The problem is that the file, backup.bak is being transferred from =
scratch... several hours at the max bandwidth (with no speedup).
I cannot complete the transfer like this, but never in 4 hours did the =
transfer speed exceed physical network upload limit.

The file is indeed the same one, since it is not being deleted, and in =
the directory i get:

-rwx------ 1 user users 6351191494 2008-05-06 19:30 backup.bak*
-rwx------ 1 root root 493617152 2008-05-07 12:31 =
..backup.bak.2UIWpi*

Anyone got a clue to what might lead to this?

Thanks
Julian

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<HTML><HEAD>
<META http-equiv=3DContent-Type =
content=3Dtext/html;charset=3Diso-8859-1>
<META content=3D"MSHTML 6.00.6000.16640" name=3DGENERATOR></HEAD>
<BODY id=3DMailContainerBody=20
style=3D"PADDING-RIGHT: 10px; PADDING-LEFT: 10px; PADDING-TOP: 15px"=20
bgColor=3D#ffffff leftMargin=3D0 topMargin=3D0 CanvasTabStop=3D"true"=20
name=3D"Compose message area">
<DIV><FONT face=3DVerdana size=3D2>Hi List,</FONT></DIV>
<DIV><FONT face=3DVerdana size=3D2></FONT> </DIV>
<DIV><FONT face=3DVerdana size=3D2>I'm observing a strange problem =
on 2.6.9 (no=20
opportunity to upgrade on both ends yet). </FONT></DIV>
<DIV><FONT face=3DVerdana size=3D2>Receiver is linux, sender is =
cygwin.</FONT></DIV>
<DIV><FONT face=3DVerdana size=3D2></FONT> </DIV>
<DIV><FONT face=3DVerdana size=3D2>I transferred a 6GB file (an MS SQL =
..bak file)=20
physically from one site to the other, in order to get the first =
"backup"=20
done.</FONT></DIV>
<DIV><FONT face=3DVerdana size=3D2></FONT> </DIV>
<DIV><FONT face=3DVerdana size=3D2>In the meantime, the sender generated =
a new file,=20
which I know for a fact to be very similar to the manually =
transferred=20
version.</FONT></DIV>
<DIV><FONT face=3DVerdana size=3D2></FONT> </DIV>
<DIV><FONT face=3DVerdana size=3D2>I'm trying to rsync the new file=20
with:</FONT></DIV>
<DIV><FONT face=3DVerdana size=3D2>rsync -av --delete --omit-dir-times=20
--chmod=3Dugo=3DrwX -b --backup-dir=3Dbackup --progress -e =
"bin\ssh -l=20
user" --files-from=3Dtemplist "/cygdrive/D/"=20
217.xxx.xxx.xxx::SQL</FONT></DIV>
<DIV><FONT face=3DVerdana size=3D2></FONT> </DIV>
<DIV><FONT face=3DVerdana size=3D2>The problem is that the file, =
backup.bak is being=20
transferred from scratch... several hours at the max bandwidth (with no=20
speedup).</FONT></DIV>
<DIV><FONT face=3DVerdana size=3D2>I cannot complete the transfer like =
this, but=20
never in 4 hours did the transfer speed exceed physical network =
upload=20
limit.</FONT></DIV>
<DIV><FONT face=3DVerdana size=3D2></FONT> </DIV>
<DIV><FONT face=3DVerdana size=3D2>The file is indeed the same one, =
since it is=20
not being deleted, and in the directory i get:</FONT></DIV>
<DIV><FONT face=3DVerdana size=3D2></FONT> </DIV>
<DIV><FONT face=3DVerdana size=3D2>-rwx------ 1 user=20
users 6351191494  2008-05-06 19:30 backup.bak*<BR>-rwx------ 1 =

root root     493617152 2008-05-07 12:31=20
..backup.bak.2UIWpi*</FONT></DIV>
<DIV><FONT face=3DVerdana size=3D2></FONT> </DIV>
<DIV><FONT face=3DVerdana size=3D2></FONT> </DIV>
<DIV><FONT face=3DVerdana size=3D2>Anyone got a clue to what might lead =
to=20
this?</FONT></DIV>
<DIV><FONT face=3DVerdana size=3D2></FONT> </DIV>
<DIV><FONT face=3DVerdana size=3D2>Thanks</FONT></DIV>
<DIV><FONT face=3DVerdana size=3D2>Julian</FONT></DIV>
<DIV><FONT face=3DVerdana><BR><FONT size=3D2></FONT></FONT></DIV>
<DIV><FONT face=3DVerdana><BR><FONT =
size=3D2></FONT></FONT></DIV></BODY></HTML>

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