RAM usage

[amcmorl at gmail.com (Angus McMorland)]

On 15/09/2007, Daniel Baumann <daniel at debian.org> wrote:
> Angus McMorland wrote:
> > Is there any way to reduce the boot's memory footprint, or free the
> > available space back to the system's memory, for use by programs?
>
> the used ram depends on two things:
>
> 1. how large is the image if 'toram' is used

I don't know anything about this... I presume it's off by default?
Incidentally, the whole image is only 300 MB.

> 2. how many modifications to files are done
>
> due to a bug in live-initramfs, there is no 'noatime' and no
> 'nodiratime', that means, not just files you have changed are consuming
> ram (you can see the differences in /live/cow), but also files that you
> touch end up in the ram. i hope to fix that soon.
>
> even with that bug, the standard system requires ~54mb during a boot
> (due to some files that are beeing created/modified/touched). this
> means, that you should looking into disable every service you don't need
> at boot time to get ram usage down.

Thanks, I'll investigate this course.

-- 
AJC McMorland, PhD Student
Physiology, University of Auckland