[thechat] Weird-ass FTP problem
Madhu Menon
webguru at vsnl.net
Sun Aug 29 09:17:47 CDT 2004
At 18:29 29/08/2004, William Anderson wrote:
>I doubt it's happening in the FTP stream - try downloading a JPEG you've
>just uploaded, because I bet it'll look identical when you look at it.
I tried using the same connection to do this with another large image.
Unfortunately, the results are scary.
Original image: http://madmanweb.com/misc/flower.jpg
Mangled: http://www.shiokfood.com/misc/flower.jpg
Downloaded back on same connection (and mangled even more):
http://madmanweb.com/misc/flower-bad.jpg
>It looks to me that the shiokfood.com host has some sort of inline JPEG
>downsampling going on when transfers get to a certain size to save their
>(and presumably your) bandwidth transfer rates - either on the webserver
>itself or at some network egress point.
That certainly is unusual. I've never heard of someone doing that.
>Look at both pictures - the JPEG downsampling only appears to begin about
>1/3rd down the photo, above that line both photos are *identical*.
>Seriously, talk to your hoster and see what the hell they're playing at.
I've mailed him.
(OK, update just as I was typing this:
the Windows XP ftp tool also reports the same problem. However, FTP
Explorer uploads it fine: http://www.shiokfood.com/misc/shiok-ftpx.jpg
Maybe it's some setting in FTP Voyager. Will continue to investigate.
Regards,
Madhu
<<< * >>>
Madhu Menon
Shiok Far-eastern Cuisine
Indiranagar, Bangalore
http://www.shiokfood.com
Chef's Notes: http://www.shiokfood.com/notes/
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