I choose 512mb ram for my Centos VPS with very low traffic new website .but after 2,3 hours after rebooting, i have only 24mb free memory.when i use top command: 2981 root      20   0 37176  10m 6440 S  0.0  2.1   0:00.15 httpd 2983 apache    20   0 37176 5244  724 S  0.0  1.0   0:00.00 httpd 2984 apache    20   0 37176 5228  708 S  0.0  1.0   0:00.00 httpd 2985 apache    20   0 37176 5228  708 S  0.0  1.0   0:00.00 httpd 2986 apache    20   0 37176 5228  708 S  0.0  1.0   0:00.00 httpd 2987 apache    20   0 37176 5228  708 S  0.0  1.0   0:00.00 httpd 2988 apache    20   0 37176 5228  708 S  0.0  1.0   0:00.00 httpd 2989 apache    20   0 37176 5228  708 S  0.0  1.0   0:00.00 httpd 2990 apache    20   0 37176 5228  708 S  0.0  1.0   0:00.00 httpdwhy httpd,mysqld,named run several times?in htop, mysqld run several times and mysqld run this command:/usr/libexec/mysqld --basedir=/usr/ --datadir=/var/lib/mysql --user=mysql --logAlos sum of all process's usage percent about 50-60 percent , and should 250 mb my ram used not 500mb!!! What should i do?
httpd and mysqld used out of memory
centos;mysql;apache httpd;out of memory