" solution would be to disable the failure detection at night time "
What if e.g. crond called mrtg with different cfg at night time? ;)
jh
---------- Původní zpráva ----------
Od: Rafal Gwizdala <rafal.gwizd...@gmail.com>
Datum: 3. 9. 2012
Předmět: [rrd-users] failure detection at night - how to disable it
"
Hi, I'm experimenting with hwpredict failure detection in business activity
data (detecting anomalies in mass scale business processes) and have a
problem with false positives at night.
Since the activity at night is very small there's no way to accurately
predict it - usually the statistics are at zero+epsilon, but even a small
number of events (like few customers sending complaints at midnight)
generates a spike that's outside the predicted deviation. Also, the value of
zero is quite often outside the deviation (because the average during the
night is slightly greater than zero, but individual spikes occur randomly
and cannot be predicted).
So i think the best solution would be to disable the failure detection at
night time (for example between 10pm and 6am). Can you suggest an elegant
way of doing that?
Best regards
RG
"
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