很多这样的httpd进程,正常吗?
PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND
4386 mysql 15 0 1041m 289m 4112 S 131 7.1 17497:50 mysqld
3237 canna 16 0 19468 16m 268 S 0 0.4 0:00.62 cannaserver
6598 nobody 16 0 22380 11m 2848 S 0 0.3 0:04.73 httpd
6683 nobody 15 0 22348 11m 2844 S 1 0.3 0:03.83 httpd
6561 nobody 16 0 22300 11m 2868 S 1 0.3 &