memcached monitoring

memcached_monitoring.sh

# Connect via socket
echo 'stats' | nc -U /var/run/memcached-multi/example.com_sessions.sock

# Connect via TCP port
echo 'stats' | nc localhost 11211

# Get max memory usage limit from stats
echo 'stats' | nc -U /var/run/memcached-multi/example.com_sessions.sock \
  | grep ' limit_maxbytes ' \
  | cut -d" " -f3

# Get current memory usage from stats
echo 'stats' | nc -U /var/run/memcached-multi/example.com_sessions.sock \
  | grep ' bytes ' \
  | cut -d" " -f3