caching - centos os - apache httpd takes all my ram and cache -
i have 2 sites on machine getting unresponsive/slow. i checked on vps (virtual dedicated server) used #free -m , got this total used free shared buffers cached mem: 992 926 66 0 3 24 -/+ buffers/cache: 898 94 swap: 63 0 63 i read http://www.linuxatemyram.com/ , im pretty sure not case because cached 24mb, if flush cache with sync; echo 3 > /proc/sys/vm/drop_caches i still see usage way high total used free shared buffers cached mem: 992 903 88 0 0 9 -/+ buffers/cache: 893 98 swap: 63 28 35 but when stop httpd service with # service httpd stop stopping httpd: [ ok ] then used #free -m again , got: total used free shared buff...