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Old 05-10-2010, 06:10 AM   #1
linus72
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Registered: Jan 2009
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Syncronizing 3 distro's into one design; but how to "manage"/lower livecd ram use?


OK

When testing my 3 versions of nFlux; http://linux.softpedia.com/progMoreB...isX-31789.html

the Debian Squeeze version
is always the best at keeping ram use low during livecd boot.
The Ubuntu 10.04 and Slack versions use slightly over 100MB
while the Squeeze version sails along at 60-80MB!

The buntu/slack versions are slightly bigger(698MB/672MB) than the Debian version(588MB), but I dont think
thats where most of the ram is being used..
Services and such are close to identical between the 3..

Heres comparo:

Debian installed-to-hdd Squeeze nFlux:
Code:
guest@nflux:~$ free
             total       used       free     shared    buffers     cached
Mem:        774456     131720     642736          0       8124      65076
-/+ buffers/cache:      58520     715936
Swap:      2273156          0    2273156
Debian live system at fresh boot: (588MB LiveCD)
Code:
guest@nflux:~$ free
             total       used       free     shared    buffers     cached
Mem:        774436     290524     483912          0      45428     175556
-/+ buffers/cache:      69540     704896
Swap:      2273156          0    2273156

Ubuntu 10.04 installed-to-hdd nFlux
Code:
guest@nFlux:~$ free
             total       used       free     shared    buffers     cached
Mem:        961772     248296     713476          0      62300     117628
-/+ buffers/cache:      68368     893404
Swap:      3123532          0    3123532
Ubuntu live system at freshboot: (698MB LiveCD)
Code:
guest@nflux:~$ free
             total       used       free     shared    buffers     cached
Mem:        767640     561028     206612          0      93028     352436
-/+ buffers/cache:     115564     652076
Swap:      2273156          0    2273156

Slackware current installed-to-hdd nFlux:
Code:
bash-4.1# free
             total       used       free     shared    buffers     cached
Mem:        772884     190736     582148          0      13444      94344
-/+ buffers/cache:      82948     689936
Swap:      2273156          0    2273156
Slackware live system at fresh boot: (672MB LiveCD)
Code:
bash-4.1# free
             total       used       free     shared    buffers     cached
Mem:        772216     557444     214772          0      83696     343012
-/+ buffers/cache:     130736     641480
Swap:      2273156          0    2273156
So, how does one conserve or lower ram usage when a system is made
into a livecd?
And why does the Debian version run at such lower ram?

I really need to get the Slackware version's ram use down
but how?
any help appreciated!

Last edited by linus72; 05-10-2010 at 06:12 AM.
 
  


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