[Greylist-users] Getting greylisting going on a new Debian

Jose-Marcio Martins da Cruz Jose-Marcio.Martins at ensmp.fr
Mon Jun 30 12:47:55 PDT 2008

Sean Conner wrote:
> It was thus said that the Great Jose-Marcio Martins da Cruz once stated:
>> Sean Conner wrote:
>> Hmmm. Threads under linux ... They eat memory. Other OSs (Solaris, 
>> FreeBSD) do it better.
>   Tracking that down took quite a bit of investigation and it involved a
> trip through the source code for pthreads under Linux.

Not really... 8-)

In a Linux box, look for clone(2) - all you need to know is there :

	man clone

>> But hopefully there are solutions to this problem. If you're running 
>> sendmail 8.14.x, you can compile it with _FFR_WORKERS_POOL option enabled.
>   Well, I basically ended up doing a "ulimit -s" [1] and that seems to have
> sovled for the most part the memory issues (did have to keep tweaking the
> value between "uses too much" and "too little it crashes").

	man ulimit

        ulimit [-SHacdefilmnpqrstuvx [limit]]
               Provides control over the resources available to the  shell  and
               to  processes started by it, on systems that allow such control.
               The -H and -S options specify that the hard or soft limit is set


               -s     The maximum stack size

	I understant : "the maximum stack size per process." Am I right ???

>   -spc (Wishes we could use Postfix at The Office though ... )

Sorry but, IMHO, the problem here isn't sendmail, but linux threads.

My 2 cents

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