[rrd-users] Re: Possible problem?

Tobias Oetiker oetiker at ee.ethz.ch
Thu Jul 29 22:14:17 MEST 1999


Today you sent me mail regarding Re: [rrd-users] Re: Possible problem? :

*> On Thursday, July 29, Tobias Oetiker wrote:
*> > 
*> > hmmm this looks rather scary ... 
*> > 
*> > <!-- 1999-07-28 08:35:00 MDT --> <row><v> 8.5340093594e+02 </v><v>-6.49045672
*> > 81e+92 </v></row>
*> > <!-- 1999-07-28 08:40:00 MDT --> <row><v>-6.4904574033e+92 </v><v> 3.53465479
*> > 02e+03 </v></row>
*> > 
*> > I suspect you are seeing an overflow problem ... your database does not set
*> > either min nor max for the datasouces ... 
*> > 
*> > the data display routines of rrd_graph prbably click out at about 10e18 ....
*> > 
*> > it would be interesting to research into why the generated graph looks the
*> > way it does ... anyone ?
*> 
*> Well, adding '-r -l 0' to the generation of the graph, does show a spike at
*> roughly the same area of time.  I am noticing something else in my graphs.
*> They are very "spiky".  I'm not sure if this is the usual thing to expect
*> from "barely loaded" switches...
*> 
*> For a peak, feel free to browse the preliminary cricket tree at:
*> http://irricana.cs.ualberta.ca/~cricket/grapher.cgi

with MIN/MAX I was refering to the minmax setting when creating the rrd. Not
in the graph ... 

cheers
tobi
*> 
*> --Toby.
*> 

-- 
 ______    __   _
/_  __/_  / /  (_) Oetiker, Timelord & SysMgr @ EE-Dept ETH-Zurich
 / // _ \/ _ \/ / TEL: +41(0)1-6325286  FAX:...1517  ICQ: 10419518 
/_/ \.__/_.__/_/ oetiker at ee.ethz.ch http://ee-staff.ethz.ch/~oetiker

--
* To unsubscribe from the rrd-users mailing list, send a message with the
  subject: unsubscribe to rrd-users-request at list.ee.ethz.ch



More information about the rrd-users mailing list