Hello:
These are two examples from the great rrd tutorial written by Alex van
den Bogaerdt:
rrdtool create test.rrd \
--start 920804400 \
DS:speed:COUNTER:600:U:U \
RRA:AVERAGE:0.5:1:24 \
RRA:AVERAGE:0.5:6:10
rrdtool graph speed.png \
--start 920804400 --end 920808000 \
DEF:myspeed=test.rrd:speed:AVERAGE \
LINE2:myspeed#FF0000
I understand the examples but what RRA does rrdtool use? I mean, the line
DEF:myspeed=test.rrd:speed:AVERAGE
specifies the Data Source but not the RRA; and in this case, we have two.
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