[linux-mm-cc] Ubuntu LiveCD patches, packages; on to Knoppix?

[Nitin Gupta]

On Thu, Mar 13, 2008 at 5:18 PM, John McCabe-Dansted <gmatht at gmail.com> wrote:
> I have tested compcache-0.2 heavily on Ubuntu, and it seemed stable.
>  CompCache-0.2 Patchs for the 7.10 live cds are availiable here (<1MB):
>   http://www.ucc.asn.au/~mccabedj/ccache
>  I have also packaged compcache for Ubuntu (although it seems unlikely
>  that it will be included in Hardy, due to the freeze in effect).
>  Freeze exception request are handled as bugs by Ubuntu, see:
>   https://bugs.launchpad.net/ubuntu/+source/linux-ubuntu-modules-2.6.24/+bug/200765
>  (packaged modules)
>   https://bugs.launchpad.net/ubuntu/+source/ubiquity/+bug/193552
>  (packaged initscripts etc)
>  Compcache would allow the users to be able to install Hardy on 256MB
>  machines without any special fiddling (even if 32MB has been stolen by
>  the video card). This requires a compcache memsize over 100%. I cap
>  the compcache as min(150%,299MB) as compcache still seems stable and
>  reasonably responsive under these conditions. A huge compcache is
>  better than oom kills while attempting to install.  Since 150% is
>  ridiculous when real swap is available, I swapoff once partitioning is
>  complete. I don't bother swapping on a smaller compcache, as physical
>  swap is fast enough for our purposes.
>

Thanks for all this effort.

>  Shall I offer to assist Klaus Knopper in enhancing the Knoppix liveCD
>  with compcache, or shall I wait until some milestone has been reached?
>

I suggest you wait for next release as there are know bugs that can
cause swap read failures even on legal swap requests.

- Nitin


>  In any case, I will probably be quite busy with other things till
>  March 31 and Knopper is also very busy (4500 unanswered emails in his
>  inbox, according to his contact form)
>
>  --
>  John C. McCabe-Dansted
>  PhD Student
>  University of Western Australia
>