[rrd-users] Re: Who has the most RRD files (or data sources)?
oetiker at ee.ethz.ch
Mon Mar 20 22:57:45 MET 2006
well it is opening and accessing/seeking ...
Today Mark Plaksin wrote:
> Tobias Oetiker <oetiker at ee.ethz.ch> writes:
> > Hi Mark,
> > opening files is an expensive operation as oposed to writing to a
> > file ... so having more DS in a single file makes things faster ...
> > unfortunately this places the whole burden of managing the DSs on
> > rrdtool or rather on you since rrdtool has no built-in
> > functionality for adding and removing DS ...
> But opening isn't *that* expensive. I wrote a short Perl script which
> opens and closes all of our 20k+ RRD files and it runs in .5 seconds. So
> it seems like something else is at play.
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