rrdfirst man page

rrdfirst — Return the date of the first data sample in an RRA within an RRD


rrdtool first filename [--rraindex number] [--daemon|-d address]


The first function returns the UNIX timestamp of the first data sample entered into the specified RRA of the RRD file.

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


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


2015-11-10 1.5.4 rrdtool