[rrd-users] Re: Who has the most RRD files (or data sources)?

[Jason Fesler]

>> 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.

Open.
Seek.
Read a chunk for the headers.
Seek.
Write a chunk for the headers.
For each RRA (regardless of DS count):
   Seek.
   Write.

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