[rrd-users] Multiple DS vrs Multiple .rrd files?

Alex van den Bogaerdt alex at vandenbogaerdt.nl
Wed Mar 17 14:49:07 CET 2010

----- Original Message ----- 
From: "Alejandro Ramirez" <aramirez at cclatam.com>
To: <rrd-users at lists.oetiker.ch>
Sent: Monday, November 30, 2009 11:45 PM
Subject: [rrd-users] Multiple DS vrs Multiple .rrd files?

> Hello Everyone,
> I've been playing around with rrdtool for a while now and i find it to be 
> an outstanding tool. Now im trying to implement it on an tool that will 
> work with the stats of incoming outgoing messages to specific emails 
> (about 30). Now i'm wondering what would be the recommendation of advanced 
> users: Should i create an rrd db for each email or should i just add a DS 
> for each email i want to monitor?

It is easy to go from 30 RRD files to 31 RRD files.
It is not that easy to go from 30 DSes to 31 DSes.

Generally speaking, you use DSes to monitor stuff that belongs together, 
such as interface in and out. And generally speaking you use different 
databases for different interfaces.  Using your case as an example, I would 
probably use one RRD per email address, each having two counters, for 
incoming and outgoing messages. 

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