Help,Apache use too much memory
 

I run a Red Hat 9 system in network.Just for studying,I start httpd.But it use too much memory,so my PC is very slow now.



PID USER PRI NI SIZE RSS SHARE STAT %CPU %MEM TIME CPU COMMAND
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17044 apache 15 0 3332 2280 908 S 0.0 1.8 0:00 0 httpd
17049 apache 15 0 3328 2232 908 S 0.0 1.7 0:00 0 httpd
17042 apache 15 0 3192 2108 772 S 0.0 1.6 0:00 0 httpd
17046 apache 15 0 3228 2092 816 S 0.0 1.6 0:00 0 httpd
17048 apache 15 0 3240 2084 820 S 0.0 1.6 0:00 0 httpd
17043 apache 15 0 3172 2076 748 S 0.0 1.6 0:00 0 httpd
17045 apache 15 0 3208 2056 796 S 0.0 1.6 0:00 0 httpd
17047 apache 15 0 3172 1952 756 S 0.0 1.5 0:00 0 httpd
21151 root 15 0 1956 1604 1116 S 0.0 1.2 0:01 0 smbd
15993 mysql 15 0 10204 1488 508 S 0.0 1.1 0:00 0 /usr/local/mysql/bin/mysqld --basedir=/usr/local/mysql --d
21257 vod 15 0 1452 1392 1068 S 0.0 1.1 0:00 0 sshd
21258 vod 22 0 1240 1240 920 S 0.0 0.9 0:00 0 -bash
21152 vod 15 0 1276 1216 876 R 0.0 0.9 0:00 0 sshd
21308 root 15 0 1148 1148 860 R 0.5 0.9 0:00 0 top
21196 root 16 0 980 980 656 S 0.0 0.7 0:00 0 bash
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How can control a process use sys CPU,MEM etc?