too much used memory

[sabrina lautier <slautier@yahoo.fr>]

Dear all,

I'm running a linux (redhat 6.2) box.
I don't really understand the results of the 'top'
command : the % of memory used per process is very low
 but nevertheless the memory is fully used !!

Could you please give me an explanation to that ?

Thanks a lot.

NB : below is the result of the 'top' command.

#top
2:25pm  up 24 days, 22:58,  3 users,  load average:
0.00, 0.00, 0.00
38 processes: 36 sleeping, 2 running, 0 zombie, 0
stopped
CPU states:  0.0% user,  0.0% system,  0.0% nice, 
0.3% idle
Mem:   257616K av,  255092K used,    2524K free,  
10680K shrd,    5244K buff
Swap:  263996K av,    5044K used,  258952K free       
          233508K cached
PID USER     PRI  NI  SIZE  RSS SHARE STAT  LIB %CPU
%MEM   TIME COMMAND
25245 client    18   0  1152 1152   808 R       0  1.9
 0.4   0:00 in.ftpd
    1 root       0   0   120   68    56 S       0  0.0
 0.0   0:04 init
    2 root       0   0     0    0     0 SW      0  0.0
 0.0   0:00 kflushd
    3 root       0   0     0    0     0 SW      0  0.0
 0.0   0:00 kupdate
    4 root       0   0     0    0     0 SW      0  0.0
 0.0   0:00 kpiod
    5 root       0   0     0    0     0 SW      0  0.0
 0.0   0:01 kswapd
    6 root     -20 -20     0    0     0 SW<     0  0.0
 0.0   0:00 mdrecoveryd
   10 root       0   0     0    0     0 SW      0  0.0
 0.0   0:00 scsi_eh_2
  326 root       0   0   216  172   148 S       0  0.0
 0.0   0:04 syslogd
  335 root       0   0   396    0     0 SW      0  0.0
 0.0   0:00 klogd
  349 daemon     0   0   140  104    76 S       0  0.0
 0.0   0:00 atd
  363 root       0   0   180  112    76 S       0  0.0
 0.0   0:00 crond
  377 root       3   0   172  128   100 S       0  0.0
 0.0   0:00 inetd
  414 root       0   0   104   52    48 S       0  0.0
 0.0   0:00 gpm
  485 xfs        0   0  2064  112    76 S       0  0.0
 0.0   0:00 xfs
  492 root       0   0   100   56    32 S       0  0.0
 0.0   0:00 ipsmon
  494 root       0   0    64    0     0 SW      0  0.0
 0.0   0:00 mingetty
  495 root       0   0    64    0     0 SW      0  0.0
 0.0   0:00 mingetty
  496 root       0   0    64    0     0 SW      0  0.0
 0.0   0:00 mingetty
  497 root       0   0    64    0     0 SW      0  0.0
 0.0   0:00 mingetty
  498 root       0   0    64    0     0 SW      0  0.0
 0.0   0:00 mingetty

=====
Sabrina
04-92-11-41-78
06-84-80-95-51

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