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CentOS 7.0 - man page for rrdfirst (centos section 1)

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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]

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.

AUTHOR
       Burton Strauss <Burton@ntopSupport.com>

1.4.8					    2013-05-23				      RRDFIRST(1)
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