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Man Pages


Manual Reference Pages  -  RRDINFO (1)

NAME

rrdinfo - extract header information from an RRD

CONTENTS

SYNOPSIS

rrdtool info filename.rrd

DESCRIPTION

The info function prints the header information from an RRD in a parsing friendly format.

Check rrdcreate if you are uncertain about the meaning of the individual keys.

EXAMPLE

This is the output generated by running info on a simple RRD which contains two data sources and one RRA. Note that the number after the last_update keyword is in seconds since 1970. The string NaN stands for *UNKNOWN* data. In the example it means that this RRD has neither minimum nor maximum values defined for either of its data sources.



 filename = "random.rrd"
 rrd_version = "0001"
 step = 300
 last_update = 955892996
 ds[a].type = "GAUGE"
 ds[a].minimal_heartbeat = 600
 ds[a].min = NaN
 ds[a].max = NaN
 ds[a].last_ds = "UNKN"
 ds[a].value = 2.1824421548e+04
 ds[a].unknown_sec = 0
 ds[b].type = "GAUGE"
 ds[b].minimal_heartbeat = 600
 ds[b].min = NaN
 ds[b].max = NaN
 ds[b].last_ds = "UNKN"
 ds[b].value = 3.9620838224e+03
 ds[b].unknown_sec = 0
 rra[0].cf = "AVERAGE"
 rra[0].pdp_per_row = 1
 rra[0].cdp_prep[0].value = nan
 rra[0].cdp_prep[0].unknown_datapoints = 0
 rra[0].cdp_prep[1].value = nan
 rra[0].cdp_prep[1].unknown_datapoints = 0



filename.rrd The name of the RRD you want to examine.

AUTHOR

Tobias Oetiker <tobi@oetiker.ch>
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1.2.30 RRDINFO (1) 2009-01-19

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