Is this Normal
10:10am up 18 days, 3:21, 1 user, load average: 0.00, 0.00, 0.0084 processes: 82 sleeping, 2 running, 0 zombie, 0 stopped
CPU states: 1.4% user, 0.6% system, 0.0% nice, 98.0% idle
Mem: 514124K av, 493928K used, 20196K free, 0K shrd, 178296K buff
Swap: 1052216K av, 78204K used, 974012K free 210452K cached
PID USER PRI NI SIZE RSS SHARE STAT %CPU %MEM TIME COMMAND
28877 named 9 0 31188 30M 1516 S 0.0 6.0 0:00 named
28878 named 9 0 31188 30M 1516 S 0.0 6.0 0:00 named
28880 named 12 0 31188 30M 1516 S 0.0 6.0 9:21 named
28881 named 9 0 31188 30M 1516 S 0.0 6.0 0:00 named
28882 named 9 0 31188 30M 1516 S 0.0 6.0 1:44 named
642 root 9 0 17028 16M 1584 S 0.0 3.3 0:00 spamd
19680 nobody 10 0 4436 4432 3076 S 0.2 0.8 0:25 httpd
Is this normal having 5 named processes with 30M size?