who is using the most memory
simple sort to show which application is using the most memory. ps -elf | awk ‘{print $10, $3, $4, $15, $16}’| sort -nr | head 572923 mysql 1246 /usr/libexec/mysqld –basedir=/usr 257775 root 6260 /usr/bin/python /usr/bin/fail2ban-server 176636 clamav 1086 clamd 146010 2001 27443 /usr/sbin/httpd 122691 apache 30546 /usr/sbin/httpd 121580 apache 27444 /usr/sbin/httpd 121410 apache 6437 /usr/sbin/httpd 121362 apache 6438 /usr/sbin/httpd 121223 apache 6439 /usr/sbin/httpd 121222 apache 6428 /usr/sbin/httpd in my case its mysqld.