rrdtool graph test.png \
-F -E --height=100 --width=500 --vertical-label=Mailings \
DEF:sending_jsp_numsending-raw=./show_sending.jsp_numsending.rrd:ds0:AVERAGE \
CDEF:sending_jsp_numsending=sending_jsp_numsending-raw \
LINE:sending_jsp_numsending-raw#00cc00:sending.jsp_numsending \
GPRINT:sending_jsp_numsending-raw:LAST:cur:%5.2lf%s \
GPRINT:sending_jsp_numsending-raw:AVERAGE:avg:%5.2lf%s \
GPRINT:sending_jsp_numsending-raw:MAX:max:%5.2lf%s\j