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Use tcpdump to monitor mysql

  # Capture the packets
  sudo tcpdump -i eth0 port 3306 -s 65535 -x -n -q -tttt > tcpdump.out

  # analyze all the requests from a given host
  pt-query-digest --type=tcpdump --filter '($event->{host} || $event->{ip} || "") =~ m/192.168.248.64/' tcpdump.out