Two comments/suggestions:
>
> 4) Every third script (ideally 30 min) update the
> weekly graphs, every
> 12th script [2 hrs] update the monthly graphs, and once a day
> [every 72nd
> script] update the yearly graphs
>
Why do all this work/math and not use the --lazy option built into
RRDtool?
[-z|--lazy]
Only generate the graph if the current graph is out of date or not
existent.
> $cmd= $rrd.' graph images/'.$updated[0].'tempLAST24.png
> --interlaced -n
> DEFAULT:0:C:/WINDOWS/Fonts/ARIAL.TTF -a PNG -X 0 -v Degrees
> DEF:theLine=rrd\\'.$updated[0].'.rrd:temp:AVERAGE
> LINE1:theLine#FF0000:"Temperature - Last 24 Hours" --start
> '.(time() - 86400).'
> --end N -A';
>
> `$cmd`;
>
Why use backticks to shell out of your Perl code instead of using the
RRDs.pm perl module?
use RRDs;
RRDs::graph(
'images/'.$updated[0].'tempLAST24.png',
'--interlaced',
'--font=DEFAULT:0:C:/WINDOWS/Fonts/ARIAL.TTF',
:
:
:
);
The suggestions may not save you much, but over ~12k iterations you may
find it'll save you enough not to have to write anything fancier.
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