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rrdfirst − Return the date of the first data sample in an RRA within an RRD |
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rrdtool first filename [−−rraindex number] |
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The first function returns the UNIX timestamp of the first data sample entered into the specified RRA of the RRD file. |
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filename |
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The name of the RRD that contains the data. |
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−−rraindex number |
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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. |
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Burton Strauss <Burton@ntopSupport.com> |