[NTLUG:Discuss] Samba Server comments = performance hit

[Patrick R. Michaud]

On Thu, Feb 15, 2007 at 12:14:32PM -0600, Kenneth Loafman wrote:
> Richard Geoffrion wrote:
> > Kenneth Loafman wrote:
> >> If that's the case then they need to rethink their config strategy.  If 
> >> they are doing more than checking for a changed timestamp, then they are 
> >> doing serious overkill.  Even cron, which checks multiple files and dirs 
> >> once a minute does not have a high overhead.
> > 
> > From: http://lists.samba.org/archive/samba/2002-November/056815.html
> > ==================
> > Someone named John T. wrote:
> > <snip>
> > Based on this information and information from time spent in #Samba and 
> > #Samba-technical, typical comments in an smb.conf file will pose no 
> > great performance risk.  
> > 
> > I would, however, discourage one from storing one's autobiography in a a 
> > production smb.conf file.
> 
> I tend to keep my system files under CVS, but don't normally turn on 
> logging in the files themselves.
> 
> I think that once every 20sec is overkill.  Once a minute at the most. 
> The file just does not need to change that often, even in an active 
> environment.  Besides, once one of the smbd daemons has read it, it'll 
> stay in the cache for a while, unless this was also a memory starved 
> system.  These numbers sound a bit far-fetched, but anything done 2400 
> times a second (3x800), is bound to cause a small load.

Actually, it was 2400 times per minute (800 smbd instances * 3 reads
of smb.conf per minute).

Pm