npm

rrdtool

Time-series data storage and graphing tool for monitoring systems

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About

Round Robin Database

Commands

rrdtool

Examples

Create a new RRD database to store CPU usage data$ rrdtool create cpu.rrd --step 60 DS:usage:GAUGE:120:0:100 RRA:AVERAGE:0.5:1:1440

Update RRD database with a new CPU usage value$ rrdtool update cpu.rrd N:75

Generate a graph of CPU usage over the last day$ rrdtool graph cpu.png --start -1d --title 'CPU Usage' DEF:usage=cpu.rrd:usage:AVERAGE LINE2:usage#FF0000