experimental QDBM TXN patch

[Matthias Andree]

Stefan Bellon <sbellon at sbellon.de> writes:

>> QDBM transactions are only used for write access, so I can think of
>> exactly one thing that causes a massive slowdown in regular operation:
>> bogofilter running with the -u switch.
>
> That's exactly how I'm using it: -pluM

-u is slow, and it's not well understood.

I'd avoid that mode for now and only train on "unsures" or messages that
bogofilter sorted into the wrong category. It's _a lot_ faster that way.

-- 
Matthias Andree