[Dovecot] load increase after upgrade to 2.0.8

[Timo Sirainen]

On Wed, 2010-12-15 at 17:43 +0100, Ralf Hildebrandt wrote:
> > Attached patch should workaround this. The main problem with it is that
> > Dovecot doesn't die very easily after this. You have to kill all the
> > processes manually. I'll probably have to add yet another pipe just for
> > this.
> 
> Yes. Plenty of killall's are now needed!

Since it's now pretty obvious that this is the problem and this has to
be fixed for Linux users, I added a proper patch to hg:
http://hg.dovecot.org/dovecot-2.0/rev/b0ec48006d57

> So what does this patch actually do?
> 
> All client processes used to check on the master's status FD to check
> if it is still alive. And you disabled that?

Yes. And the new patch uses a new pipe fd.