Milter-greylist

At Thu, 14 Jun 2007 23:05:30 +0200,
manu@... wrote:
> 
> Dan Mahoney, System Admin <danm@...> wrote:
> 
> > Did the BDB version have the option to periodically (say, hourly) dump a
> > checkpoint file or something similar?
> 
> The problem was that it was impossible to be sure no corruption could
> occur on the DB file if milter-greylist crashed at a wrong time.

Berkeley DB 4.x can guarantee its consistency after system failures
by journaling mechanism just as RDBMSes do. See:

http://www.oracle.com/technology/documentation/berkeley-db/db/gsg_txn/C/introduction.html