rrd

Pointers

• http://oss.oetiker.ch/rrdtool/index.en.html - home
• http://oss.oetiker.ch/rrdtool/doc/index.en.html - docs
• http://oss.oetiker.ch/rrdtool/tut/index.en.html - tutorial

• http://oss.oetiker.ch/rrdtool/doc/rrdfetch.en.html - rrd fetch

Perl

• http://search.cpan.org/dist/RRD-Simple/
• unfortunately there are a number of unresolved bugs
• https://rt.cpan.org/Public/Dist/Display.html?Name=RRD-Simple

Alternatives

• http://github.com/crucially/timesplicedb