RRDFIRST(1) rrdtool RRDFIRST(1)

NAME

rrdfirst - 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

AUTHOR

Burton Strauss <Burton@ntopSupport.com> Daemon support added by Steve
Shipway <steve@steveshipway.org>

1.8.0 2022-03-14 RRDFIRST(1)