사이트가 자꾸 다운이되요..ㅠ.ㅠ...

제가 서버쪽에 아는게 없어서요...데몬이 아래와 같이 쌓이다가 다운이 되거든요.

왜그러는걸까요. php 프로그램 오류인가요..

고수님들 알려주세요..ㅠ.ㅠ.

root      4191     1  0 13:01 ?        00:00:00 /usr/local/apache/bin/httpd
www       4194  4191  0 13:01 ?        00:00:04 /usr/local/apache/bin/httpd
www       4195  4191  0 13:01 ?        00:00:03 /usr/local/apache/bin/httpd
www       4196  4191  0 13:01 ?        00:00:03 /usr/local/apache/bin/httpd
www       4197  4191  0 13:01 ?        00:00:02 /usr/local/apache/bin/httpd
www       4198  4191  0 13:01 ?        00:00:03 /usr/local/apache/bin/httpd
www       4200  4191  0 13:01 ?        00:00:03 /usr/local/apache/bin/httpd
www       4203  4191  0 13:01 ?        00:00:03 /usr/local/apache/bin/httpd
www       4204  4191  0 13:01 ?        00:00:03 /usr/local/apache/bin/httpd
www       4205  4191  0 13:01 ?        00:00:04 /usr/local/apache/bin/httpd
www       4206  4191  0 13:01 ?        00:00:03 /usr/local/apache/bin/httpd
www       4207  4191  0 13:01 ?        00:00:02 /usr/local/apache/bin/httpd
www       4208  4191  0 13:01 ?        00:00:02 /usr/local/apache/bin/httpd
www       4798  4191  0 13:12 ?        00:00:02 /usr/local/apache/bin/httpd
www       5309  4191  0 13:20 ?        00:00:01 /usr/local/apache/bin/httpd
www       5312  4191  0 13:20 ?        00:00:01 /usr/local/apache/bin/httpd
www       5316  4191  0 13:20 ?        00:00:01 /usr/local/apache/bin/httpd
www       5320  4191  0 13:20 ?        00:00:02 /usr/local/apache/bin/httpd
www       5342  4191  0 13:21 ?        00:00:01 /usr/local/apache/bin/httpd
www       5773  4191  0 13:26 ?        00:00:01 /usr/local/apache/bin/httpd
www       5985  4191  0 13:29 ?        00:00:01 /usr/local/apache/bin/httpd
www       5989  4191  0 13:29 ?        00:00:00 /usr/local/apache/bin/httpd
www       6478  4191  0 13:35 ?        00:00:00 /usr/local/apache/bin/httpd
www       6501  4191  0 13:35 ?        00:00:00 /usr/local/apache/bin/httpd
www       6503  4191  0 13:35 ?        00:00:00 /usr/local/apache/bin/httpd
www       6504  4191  0 13:35 ?        00:00:00 /usr/local/apache/bin/httpd
www       7131  4191  0 13:41 ?        00:00:00 /usr/local/apache/bin/httpd
www       7216  4191  0 13:42 ?        00:00:00 /usr/local/apache/bin/httpd
www       7222  4191  0 13:42 ?        00:00:00 /usr/local/apache/bin/httpd
www       7226  4191  0 13:42 ?        00:00:00 /usr/local/apache/bin/httpd
www       7227  4191  0 13:42 ?        00:00:00 /usr/local/apache/bin/httpd
www       7263  4191  0 13:43 ?        00:00:00 /usr/local/apache/bin/httpd
www       7265  4191  0 13:43 ?        00:00:00 /usr/local/apache/bin/httpd
www       7266  4191  1 13:43 ?        00:00:00 /usr/local/apache/bin/httpd
root      7268  5188  0 13:43 pts/2    00:00:00 grep httpd