[rrd-developers] Re: How to get the most performance when using lots of RRD files

Alex van den Bogaerdt alex at ergens.op.het.net
Wed Aug 16 13:57:27 MEST 2006

On Wed, Aug 16, 2006 at 07:19:01AM -0400, Richard A Steenbergen wrote:

> I've been in a similar situation myself, doing 20-30 sec updates on 50k+ 
> RRD files. 


> The big daddy of performance suck is then going to be, opening, closing, 
> and seeking the right spot in the files every time.

Have you considered saving up updates and do them (say) 10 at a time?

Sure, this is going to be a problem for that one user that happens
to want to see the data of the past few minutes.  But it would save
you much disk access, wouldn't it?

Alex van den Bogaerdt

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