Milter-greylist

Hi,

>>>>> On Thu, 23 Oct 2008 14:31:15 +0200
>>>>> Petar Bogdanovic <petar@...> said:

petar> It apparently has nothing to do with libspf since I get similar results
petar> with libspf_alt and libspf2 (1.2.8). The situation even got worse with
petar> libspf2 from another point of view -- milter-greylist using libspf_alt
petar> claimed about 15% of the CPU when it had to deal with 900 simultaneous
petar> connections while the same situation ate every second of the available
petar> CPU-time when linked against libspf2. That's why I wasn't able to drop
petar> the same amounth of mails through milter-greylist+libspf2: the CPU was
petar> the bottleneck.

The BIND9's resolver requires res_ndestroy() for cleanup res_state.
However, libspf2 doesn't issue res_ndestroy() but issues res_nclose().
It causes memory leak.  The FreeBSD port of libspf2 has a patch to
address this issue.

Sincerely,

--
Hajimu UMEMOTO @ Internet Mutual Aid Society Yokohama, Japan
ume@...  ume@{,jp.}FreeBSD.org
http://www.imasy.org/~ume/