[rrd-users] Scaling rrd tables for best performance

[Boer, Martin]

Alex,

In my current Perl code I open an RRDp connection.
To me it seams both remote control and RRDp do roughly the same.
Would you recommend using the remote control option over RRDp or won't that matter ?
Performance is something I worry about as I have about 20.000 rrdfiles which all need to be updated every 5 minutes so performance is an issue and my endusers would like to see larger RRA's which would in effect triple the amount of data. 

Regards,
Martin

-----Original Message-----
From: rrd-users-bounces at lists.oetiker.ch
[mailto:rrd-users-bounces at lists.oetiker.ch]On Behalf Of Alex van den
Bogaerdt
Sent: donderdag 6 december 2007 10:56
To: rrd-users at lists.oetiker.ch
Subject: Re: [rrd-users] Scaling rrd tables for best performance


On Wed, Dec 05, 2007 at 10:36:31PM -0500, Eduardo M. Bragatto wrote:

>                                 ... since the "rrdupdate" process is not 
> a daemon that would stay loaded in memory all the time ...

when you are going to do your benchmarking, please consider to keep
an rrdtool process running in 'remote control' mode: "rrdtool -"
Perhaps it makes a difference.

The link is currently broken (I'll send a note to Tobi about this),
but http://oss.oetiker.ch/rrdtool/doc/rrdtool.en.html#remote_control
at least brings you to the correct manual page; please scroll down.

Also know that some significant changes were made with respect to
caching. You really ought to keep an eye on development if memory
consumption and caching is important to you.

-- 
Alex van den Bogaerdt
http://www.vandenbogaerdt.nl/rrdtool/

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