[Asterisk-Users] multiple instances of asterisk spawning

[Steven Critchfield]

On Tue, 2004-04-27 at 12:22, Steven Kokinos wrote:
> In-fact I'm not a new unix user at all, and am quite familiar with 
> multi-threaded apps. However, it is not clear from the documentation 
> whether or not asterisk is multi-threaded. i had assumed it was (or had 
> recently become so) when i initially saw this behavior and searched 
> (and found nothing), then asked the question to the list (which yielded 
> no response).

Link to google... http://tinyurl.com/38fdu
Look closely at the search terms that will show up when you get there.
When I search with those terms, I see over half of the first page with
subjects pertaining to thread safe and reentrant functions. This should
be the flaming blue clue hammer that lights the way.

> before putting my system in production i wanted to be certain this was 
> in-fact the case. note - the only change in my environment is the 
> kernel version. perhaps the kernel process reporting is slightly 
> different between the versions, or i set a configuration option 
> somewhat differently (though i copied the previous config file as the 
> base for the new kernel).

I'm still assuming you are on a RH system. It is well known that RH
dorks with stuff it shouldn't. Add to this that they ship kernels that
sometimes are significantly different from stock(not a flame or a slam,
just fact). So unless you trust them to provide you the kernel, and
stayed with their revisions, that may have been the cause.

It has been noted here that it is possible if you picked up the kernel
from RH, you also picked up some other things possibly unknown to you
that changed the behavior.

Can you tell I don't trust RH!

> On Apr 27, 2004, at 12:21 PM, Steven Critchfield wrote:
> 
> > On Tue, 2004-04-27 at 10:04, Steven Kokinos wrote:
> >> Hello-
> >>
> >> I have noticed that since i upgraded my kernel, asterisk spawns many
> >> copies (usually approximately 18) when starting up. It then runs fine,
> >> but there doesn't seem to be any reason for this behavior. I have 
> >> tried
> >> moving between different kernel versions, and all but the stock fedora
> >> core 1 kernel exhibits the same behavior.
> >>
> >> I have verified running this with both safe_asterisk (as I usually do)
> >> as well as manually at the command line with no difference in 
> >> behavior.
> >
> > READ THE DAMN ARCHIVES, or at least semi recent discussions.
> >
> > I'm betting you are a fairly new unix user as you don't seem to
> > recognize a multi threaded app. Asterisk is behaving similarly to
> > apache, starting many threads to service quite a few items at once.
> >
> > Your kernel upgrade is probably not the only thing that has happened
> > here. It was commented recently in this mailing list that a recent
> > change in RH ha changed the default behaviour of ps. This change is why
> > you are now seeing something else.
> > -- 
> > Steven Critchfield <critch at basesys.com>
> >
-- 
Steven Critchfield  <critch at basesys.com>