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Re: X-windows performance over slow connections.

From: Kevin Rodgers
Subject: Re: X-windows performance over slow connections.
Date: Fri, 19 Jan 2007 23:17:22 -0700
User-agent: Thunderbird (Macintosh/20061207)

Eli Zaretskii wrote:
From: Bill Zaumen <zaumen@pacbell.net>
Date: Thu, 18 Jan 2007 15:35:54 -0800

When I run ssh -C -X to connect to my home system over an ADSL
connection (unfortunately, in the 'slow' direction), it takes
well over a minute to start emacs.  I suspect this is due to the
menu, toolbar, scrollbars, and other X-windows features it uses.
Compression helps slightly, but is not quite enough.  I tried
to fix the problem by defining an environment variable named
EMACS_NET_PROFILE which, if defined, has the value "slow", "medium"
or "fast" to denote the speed of one's connection.  For slower
connections, it then turns off scroll bars, tool tips, menus, and
the tool bar based on the value of this variable.  Functionally,
this works as one would expect, however over a slow connection, I
can see the tool bar appear and then eventually go away: it seems
that the tool bar is created before my .emacs file is read, so
emacs takes about as long as before to get started.

Did you try the advice in etc/PROBLEMS?  Look for "Improving
performance with slow X connections".

It would be good if the exact X resource settings were listed there,
as they are for other problems.

As for turning off various decorations, I think if you disable them in
your X resources, they will never come up.

I think etc/PROBLEMS should show exactly how to disable them.

Kevin Rodgers
Denver, Colorado, USA

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