ubuntu jaunty seized up

[Karl F. Larsen]

Carl Friis-Hansen wrote:
> Karl F. Larsen wrote:
>   
>> prad wrote:
>>     
>>> On Mon, 04 May 2009 12:14:18 +0300
>>> Ioannis Vranos <ivranos at freemail.gr> wrote:
>>>
>>>   
>>>       
>>>> How much swap do you have?
>>>>
>>>>     
>>>>         
>>> 2G and it is kept busy i'm sure.
>>> top shows the memory being used at 494M even before i start any
>>> applications.
>>>
>>> as i write this i have claws-mail, firefox, 1 gnome-terminal and update
>>> manager just finished:
>>> ram use 419M, swap 176M on top
>>> ram use 260M, swap 178M on system monitor
>>>
>>> i don't understand why top and system monitor are showing such
>>> different values for ram use.
>>>
>>>   
>>>       
>>     I see the same thing, top uses a lot of RAM for some reason and I 
>> never leave it running long :-)
>>     
>
> It might just be small differences in calculation methods.  I do not 
> believe top has memory leak as implied by Karl.
>
> Below is an example of top and free from this computer:
>
> ////////////////////////////////////////////////////////
> Mem:   1019108k total,   856288k used,   162820k free,    22936k buffers
> Swap:  2980016k total,        0k used,  2980016k free,   378768k cached
> ////////////////////////////////////////////////////////
>               total       used       free     shared    buffers     cached
> Mem:       1019108     856032     163076          0      22944     378768
> -/+ buffers/cache:     454320     564788
> Swap:      2980016          0    2980016
> ////////////////////////////////////////////////////////
> Mem:   1034328k total,   949412k used,    84916k free,    74520k buffers
> Swap:  1959920k total,    39820k used,  1920100k free,   423832k cached
>
>   PID USER      PR  NI  VIRT  RES  SHR S %CPU %MEM    TIME+  COMMAND            
>  9879 karl      20   0  286m 119m  31m R  5.3 11.8  81:24.43 firefox            
>  6068 root      20   0 87064  49m 9.9m S  1.3  4.9  17:33.51 Xorg               
>  7942 karl      20   0 74588  20m  10m R  0.7  2.0   0:00.40 gnome-terminal     
>  7964 karl      20   0  2308 1124  852 R  0.7  0.1   0:00.04 top                
>  6526 karl      20   0 58512  31m 9508 S  0.3  3.2   6:46.78 compiz.real        
>     1 root      
>   
Observe top is just below Xorg and above compiz.real. This is a lot of 
use of both RAM and CPU time for a simple program.

Karl