Some helpful commands for web services:
netstat -na | grep 'ESTA' | wc -l netstat -an | grep :80 | grep -i EST | wc -l
netstat -plan | grep :80 | awk {'print $5'} | cut -d: -f 1 | sort | uniq -c | sort -nk 1
awk '{print $7}' /path/to/log | sort | uniq -c | sort -rn | head -10
awk '{print $11}' /path/to/log | sort | uniq -c | sort -rn | head -10
ps aux --sort -rss
Make it simple, but significant.