RAM use by Jaunty and Hardy

[Markus Schönhaber]

Karl Larsen:

> This top on Jaunty after 24 hours.
> 
> top - 16:08:49 up 23:54,  3 users,  load average: 0.10, 0.18, 0.14
> Tasks: 127 total,   3 running, 124 sleeping,   0 stopped,   0 zombie
> Cpu(s): 29.2%us,  5.0%sy,  0.0%ni, 65.4%id,  0.0%wa,  0.3%hi,  0.0%si,
> 0.0%st
> Mem:   1025636k total,   991852k used,    33784k free,   113360k buffers
> Swap:  1959920k total,      460k used,  1959460k free,   497364k cached
> 
>         Notice that Jaunty is using 460K of swap which does slow it
> down. It appears that Jaunty needs a minimum of 2 GB of RAM.

460k of swap usage slow the system down?
OMG, what utter nonsense.
BTW, about half of your RAM is essentially free (not claimed by any user
process) - but you don't see it.

>   PID USER      PR  NI  VIRT  RES  SHR S %CPU %MEM    TIME+  COMMAND
> 
>  5998 karl      20   0  243m 118m  26m R 21.6 11.9  44:56.74 firefox

> This is Hardy after just a few minutes with firefox also running:

24 hours vs. "just a few minutes" - now that's the way scientists do it.

> top - 10:55:05 up 4 min,  2 users,  load average: 0.90, 1.02, 0.47
> Tasks: 125 total,   3 running, 122 sleeping,   0 stopped,   0 zombie
> Cpu(s): 13.6%us,  3.3%sy,  0.0%ni, 81.4%id,  0.0%wa,  0.3%hi,  1.3%si,
> 0.0%st
> Mem:   1034328k total,   710052k used,   324276k free,    23948k buffers
> Swap:  1959920k total,        0k used,  1959920k free,   374040k cached
> 
>         As you can see Hardy uses 0K of Swap: So it can work with just
> 1GB of RAM.

...

>   PID USER      PR  NI  VIRT  RES  SHR S %CPU %MEM    TIME+  COMMAND
> 
>  6045 root      20   0 74276  32m 8668 S  5.3  3.2   0:06.62 Xorg
> 
>  6682 karl      20   0  194m  60m  22m R  4.7  6.0   0:06.73 firefox

Take a look at the CPU and memory load of Firefox and think about it.

-- 
Regards
  mks