spamd & named useing a lot of memory !

spamd & named useing a lot of memory !

is this normal ?

Code:
  PID USER     PRI  NI  SIZE  RSS SHARE STAT %CPU %MEM   TIME CPU COMMAND
 2631 root      16   0 35616  34M  2140 S     0.0  0.2   0:03   1 spamd
 2630 root      16   0 35608  34M  2140 S     0.0  0.2   0:03   0 spamd
 2633 root      15   0 35608  34M  2140 S     0.0  0.2   0:03   0 spamd
 2629 root      16   0 35604  34M  2136 S     0.0  0.2   0:03   1 spamd
 2632 root      16   0 35600  34M  2140 S     0.0  0.2   0:03   1 spamd
 2311 root      17   0 34664  33M  2108 S     0.0  0.2   0:00   1 spamd
 2116 named     25   0 25936  25M  2372 S     0.0  0.1   0:00   1 named
 2117 named     15   0 25936  25M  2372 S     1.1  0.1  21:45   0 named
 2118 named     15   0 25936  25M  2372 R     0.7  0.1  21:47   1 named
 2120 named     15   0 25936  25M  2372 R     0.0  0.1   0:11   1 named
 2121 named     15   0 25936  25M  2372 R     0.5  0.1   9:45   1 named

 

 

 

 

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