out of curiosity: reload and restart

Julian Field MailScanner at ecs.soton.ac.uk
Thu Nov 2 18:36:23 GMT 2006

Hash: SHA1

Sven De Troch wrote:
> Hello,
> no problem, but something I'd like to know ;)
> Are there any reasons to restart MS with /etc/init.d/MailScanner
> restart (and not reload to read the configfiles again)?
> i.e. if I change my sendmail access file, recompile it for sendmail
> and 'reload' MS, eveything is working fine, ..., so I wonder in which
> case a reload is not sufficient for MailScanner and a restart is
> needed (I'm not talking about Linux in general, but for MS specific)?
One situation where you definitely need to restart is when you change 
the spam.assassin.prefs.conf or change the rules/settings you have in 
any other SpamAssassin *.cf or init.pre files (and its brethren of 
course). This is because it needs to recompile all the SpamAssassin 
rules, which can't be done without a MailScanner restart.

There was also a bug in versions of MailScanner prior to 4.55.9 in which 
a reload would not have all the intended effects, so I would use restart 
if your MailScanner is older than 4.55.9 1st August 2006.

Also, on a connected subject, I am going to speed up the re-spawning of 
the child processes as 11 seconds per child appears to be too long on 
systems with large numbers of child processes. 5 seconds should work 
okay, you won't get any overlap of timings until you have launched 12 
children, so in reality this should not cause any harm.


- -- 
Julian Field MEng CITP
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