rrdfirst(1)
Return the date of the first data sample in an RRA within an RRD
SYNOPSIS
rrdtool first filename [--rraindex number] [--daemon|-d address]
DESCRIPTION
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|-d address
-
Address of the rrdcached daemon. For a list of accepted formats, see
the -l option in the rrdcached manual.
rrdtool first --daemon unix:/var/run/rrdcached.sock /var/lib/rrd/foo.rrd
