I finally found the problem and all is well.
1) I had turned off gzip - which made a huge difference. Turned it back
on and everything is snappy again.
2) I did notice that the index page is about 10k larger between 1.0.3 and
2.1.1. This page is not compressed so it takes noticeable time to load
on a dial-up. On a screen with 23 messages, netstat recorded about 46k
with 2.1.1. It probably would be nice if this is compressed as well.
The folders screen is another page that would benefit a lot from
compression.
PS: Any noticed that all the headers seem to be double space?
Thanks,
Tim
On Tue, Jul 17, 2001 at 01:15:50AM -0500, Tim wrote:
> I found my old version which is 1.0.3 and found something interesting.
> Netstat says only 3kbytes in and 976bytes out on the same 2344 bytes e-mail
> I had before. Although if I save the body of the message, Windows says
> it is a 16kbytes file. Strange! There must be some cache effects or
> something I am missing here - but the huge difference shown by Netstat
> explains the slowdown.
>
> Tim
>
> On Tue, Jul 17, 2001 at 12:39:45AM -0500, Tim wrote:
> > Update:
> >
> > I just did some poking around and it looks like the problem is in the
> > sheer amount of data that gets transmitted.
> >
> > From the index page, if I click on a 2344 bytes e-mail (size of the file
> > in my Maildir), netstat says that approximately 19kbytes gets sent from
> > the remote end and another 2kbytes in return. There are obviously TCP/IP
> > and other overheads in here but I think it's pretty obvious that sqwebmail
> > is sending a whole LOT of data to display a message.
> >
> > Simple math says that a 56k modem connection will take nearly 4 seconds
> > just to transfer all this (ignoring modem and/or software compression -
> > I am not running gzip).
> >
> > I saved the raw HTML file from the message body and it is a 19kbytes
> > file! This is from the original 2kbytes e-mail - that is probably why it
> > feels so slow.
> >
> > Tim
> >
> > On Tue, Jul 17, 2001 at 03:58:23AM +0000, Justus Pendleton wrote:
> > > Charlie Watts writes:
> > > > I find a -large- performance slowdown in some versions of Netscape vs. IE
> > > > or other versions of Netscape.
> > > >
> > > > Could it just be a rendering-side problem? Style Sheets do seem to slow
> > > > down Netscape an unreasonable amount.
> > >
> > > FWIW, I just upgraded sqwebmail today and am seeing the same perceived slow
> > > downs. It is especially noticeable when I first enter a folder. The only
> > > thing I changed today was sqwebmail, all of my browsers are the same. And I
> > > see the same change in apparent speed no matter which browser I've tried:
> > > Mozilla, IE, Opera, konqueror, and iCab. Even lynx, links, and w3m felt
> > > slower than I remembered them being. (Although I don't use them normally
> > > with sqwebmail so this particular data point is even more shaky than the
> > > others.)
> > >
> > > So I don't think it is a rendering-side problem. Or, rather, if it is, it
> > > is a problem so widespread as to be in virtually every browser in use today.
> > >
> > > Justus
