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screen sluggish on Debian?

From: Brendan McKay
Subject: screen sluggish on Debian?
Date: Sun, 24 Oct 2004 17:19:44 +1000
User-agent: Mutt/1.4i

Hi, I'm a long-time user of "screen".  Recently I changed
over from Redhat 7.1 to Debian 1:3.3.4, and suddenly screen
is much more sluggish than before.

The main problem is when there is more than a tiny bit of
output.  For example, I have enough files in one directory
that "ls" output is about 2 screenfulls.  Previously, ls
output would appear instantaneously and rapidly.  Now, after
I hit "return" there is a delay of 2-3 seconds with nothing
happening at all, then one screenfull of output appears,
then there is a delay of about second, then the rest of
the output appears.

It does not make a difference what version of screen is being
used, as I tried several from 3.09.09 (FAU) 25-May-01 to
4.00.02 (FAU) 5-Dec-03 with the behaviour exactly the same.
I used the same screen executables on both Linux editions.
The delay I am experiencing is only when I use screen;
otherwise Debian is perfectly responsive.  I guess it is some
interaction between Debian and screen so I wonder if there
is a work-around available.  I tried various flow-control
settings without luck but I don't understand them too well
so I'm not sure I tried eveything.


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