[rrd-users] Re: Help with spikes

Alex van den Bogaerdt alex at slot.hollandcasino.nl
Wed Mar 8 20:46:06 MET 2000

Jon Rust wrote:
> mrtg+rrd occassionally spikes on me. Currently I've got 2 spike 
> incidents to deal with. Using rrdtool dump and vi, I've cleaned up 
> the daily chart, and thought I did for the other timeframes, but 
> they're still there.

Either you're using an older version of rrdtool or you did not
set appropriate limits on the database.

After dumping the database, you can restore it again.  During this
restore, you should be able to enforce the limits:

        rrdtool restore [--range-check|-r] filename.xml filename.rrd

This does of course assume that you did set those limits (you should
do that in any case).

Check your current limits using

        rrdtool tune filename.rrd

and adjust them by doing (for example):

        rrdtool tune filename.rrd --maximum in:1250000


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