[Gross] false positives

Imri Zvik imriz at bsd.org.il
Wed Dec 17 15:37:00 EET 2008


On Wednesday 17 December 2008 14:22:51 Eino Tuominen wrote:
> Jesse Thompson wrote:
> > You probably need to raise filter_bits setting; especially since you are
> > using such a large rotate_interval.
> >
> > Or, if you use the block_threshold functionality, most messages will be
> > blocked and not added to the filters, which reduces the chance of false
> > positives.
>
> Indeed, that's seems to be the best way.
>
> Just for the record, we are now talking false matches, or collisions in
> the bloom filter, not false positives.

I forgot to CC the list on my reply to Jesse:

If I raise the filter bit, grossd crashes with segmentation fault.

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