Victor Duchovni:
> On Mon, Jan 17, 2011 at 08:01:18PM -0500, Wietse Venema wrote:
> 
> > Perhaps postscreen should warn when the *average* delay goes over
> > some threshold. That would reduce the number of false alarms.
> > Maybe I can slip this in before the stable release.
> 
> alpha smoothing should do the trick, in this case we can start with
> 
>       t_0 = 0,
> 
> and set
> 
>       t_{n+1} = 0.95*t_{n} + 0.05*delta

There are many ways to arrive at a moving average.  Where do these
magic numbers come from?

        Wietse

> what remains to tune is how often to log warnings, the minimum
> spacing between warnings could be either based on the number of
> updates since the last warning, or elapsed time.
> 
> -- 
>       Viktor.
> 
> 

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