[rrd-users] Re: Who has the most RRD files (or data sources)?
happy at usg.edu
Mon Mar 20 18:31:17 MET 2006
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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