On Wed, 22 Nov 2006, Pádraig Brady wrote:
I'd like to reduce the memory footprint of FC6. Are there already
webpages that describe how to make Fedora more manageable on those 3-4
year old "junk hardware"? (Some also have worried about the disk space
footprint, but let's leave that out of scope for now..)
Some ideas here:
http://www.redhat.com/archives/fedora-devel-list/2006-May/thread.html#00498
Thanks.
A couple of observations:
1) with RHL73 (w/ fvwm2), the battery lasted for 3.5-4.5 hours.
With FC5 or FC6 (with xfce), it lasts for 1.5 hours, even if the
computer is "idle". Either ACPI is a lot worse than APM, or
something is going on. Any ideas how to debug this?
When was the last time you tried 7.3? I.E. are you sure
you haven't lost cell(s) in your battery in the meantime?
About a year ago, a bit more. Given that the laptop is ~4 years old
now, such a dramatic drop IMHO cannot be explained by battery aging
alone. However, the proc says:
# more /proc/acpi/battery/BAT0/info
present: yes
design capacity: 47520 mWh
last full capacity: 18260 mWh
...
The ratio of "last full" and "design" is similar to the 1.5h/4.0h
lifetime I'm now seeing. Unfortunately, I don't know what the numbers
might have been with RHL73, and whether ACPI/APM has any effect here.
2) yum upgrade from FC5 to FC6 (about 1100 packages) took 8 hours
(just the depsolving, upgrade and cleanup -- all packages and
headers already existed on local disk). Only yum and Xorg were
running at that time.
http://www.redhat.com/archives/fedora-devel-list/2006-October/thread.html#00797
Also anaconda need loads of memory any may be swapping with 256MB RAM?
https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=186067
Interesting -- but in my case, I wasn't running anaconda. I did 'yum
upgrade' from command line.
In case a rough breakdown of time spent in each step would be useful,
depsolving took a while, but only in the order of dozens of minutes.
Running transaction check took something around 30-60 minutes. The
first stage of running transaction for real (i.e., before any progress
bards appeared) took a very long time, maybe 1-2 hours. The upgrade
itself took maybe 3 hours. The cleanup took maybe 2-3 hours.
3) are there more light-weight desktops/WMs than xfce?
http://xwinman.org/
Unfortunately, that doesn't answer the question of 'more light-weight'
as I fear that xfce is the most lightweight of the desktop bunch at
least...
Recently, it seems it also has become bloated, e.g.,:
psavola 2745 0.2 3.2 82388 7964 ? S Nov21 1:49
/usr/libexec/xfce4/panel-plugins/xfce4-battery-plugin [...]
I don't know what that is the output of exactly, but be careful
with mem reporting tools on linux as they are confusing at best.
Have a look at http://www.pixelbeat.org/scripts/ps_mem.py
That shows total memory usage of 197 MB (including firefox taking
82MB), though top reports that 100+ MB of swap is being used:
Mem: 246632k total, 240024k used, 6608k free, 3096k buffers
Swap: 521632k total, 106408k used, 415224k free, 37504k cached
Not sure which is more accurate.
--
Pekka Savola "You each name yourselves king, yet the
Netcore Oy kingdom bleeds."
Systems. Networks. Security. -- George R.R. Martin: A Clash of Kings
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