[rrd-users] Re: Unexpected peak in the data?
cliftonr at lava.net
Thu Aug 24 20:11:50 MEST 2000
On Thu, Aug 24, 2000 at 07:30:35PM +0200, Andreas Maus wrote:
> Hello everbody!
> This morning I found an unexpected high peak in the database wich
> stores the outgoing traffic of my interface. It says that there was
> an output with about 40 MBytes per second on the interface eth0.
> But I know this couldn't happen, because this Ethernet card is only an
> 10Mbps. How can this happen and how can I avoid this?
It depends on how you're reading it. If you're reading it via SNMP,
counter resets being interpreted as counter wraps can cause this.
To avoid it, set rrd_max to 10M. To clean up your existing data so you
can preserve it, look at killspike.pl in the contrib subdirectory
-- Clifton, about to do the same for some of *his* spiked data
Clifton Royston -- LavaNet Systems Architect -- cliftonr at lava.net
The named which can be named is not the Eternal named.
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