rrdfirst1
Return the date of the first data sample in an rra within an rrd
Usage
rrdtool first
filename
[--rraindex
number]
[{--daemon | -d
address}]
Overview
The first function returns the UNIX timestamp of the first data sample entered into the specified RRA of the RRD file.
- filename
-
The name of the RRD that contains the data.
-
--rraindex number -
The index number of the RRA that is to be examined. If not specified, the index defaults to zero. RRA index numbers can be determined through rrdtool info.
--daemon|-daddress-
Address of the rrdcached daemon. For a list of accepted formats, see the
-loption in the rrdcached manual.rrdtool first --daemon unix:/var/run/rrdcached.sock /var/lib/rrd/foo.rrd
Releases
11 releases since Debian 4.0 (Etch); the text changed 10 times.