Interesting, we also use an external process to connect to a DB and
retrieve URI replacement. We were thinking that it's running "too slow"
and thus hanging SER, even though the logs make it appear as if the
process(es) was hanging at random points. We're in the process of
eliminating this script and switching over to ENUM or similar. When we
restarted our MySQL server it improved the query time (it was running
for 180 days heheh) and seems to have made SER hang less. How long does
your external script take to run on average? If it's more than a second
then that seems to be unnacceptable for SER..
P.S. The crappy thing is this happens over a period of time, when I load
tested the server it ran flawlessly. Pushed 30000 calls through it in
less than an hour with no problems. The MySQL server in question is in
the same switch segment/subnet as well.
Matt
-----Original Message-----
From: Ricardo Martinez [mailto:rmartinez@redvoiss.net]
Sent: Thursday, April 14, 2005 4:32 PM
To: Matt Schulte; serusers(a)lists.iptel.org
Subject: RE: [Serusers] SER hung - Log Information?
Hello Matt.
Thanks for your answer, i checked the post "exec_dset fork
limit?"
(
http://lists.iptel.org/pipermail/serusers/2004-December/014150.html)
and i think i have the same problem. I'm using the exec_dset command to
manipulate the RURI, we need to do this in order to add prefixes
according to certain user profiles.
route {
if (method=="INVITE" || method=="CANCEL") {
exec_dset("/usr/local/etc/ser/translate");
};
As you can see i'm using it for every INVITE and CANCEL, the "translate"
file is a C program that connects to a DB and returns the desired RURI.
Could this be the cause of SER freeze?. Can we have an opinion from the
developers? Is there a way to do the same thing with maybe another
module?. For the record i'm using :
OS : Linux Red Hat 9.0
SER : 0.8.14
Mediaproxy : 1.2.1
I would really appreciate any help here.
Thanks!!
Best Regards,
Ricardo.-
-----Mensaje original-----
De: Matt Schulte [mailto:mschulte@netlogic.net]
Enviado el: Jueves, 14 de Abril de 2005 16:11
Para: Ricardo Martinez; serusers(a)lists.iptel.org
Asunto: RE: [Serusers] SER hung - Log Information?
I've been posting about this for some time now,I have never
been able to
figure out the problem. Do you use external proccesses or anything?
That's the only "weird" thing we really do with SER,
everything else is
pretty straight forward.
Search back from my posts and see what you think.
-----Original Message-----
From: Ricardo Martinez [mailto:rmartinez@redvoiss.net]
Sent: Thursday, April 14, 2005 11:16 AM
To: 'serusers(a)lists.iptel.org'
Subject: [Serusers] SER hung - Log Information?
Hello list.
I had been experimenting some weird behavior in my SER program.
A
couple of times my SER seems to be hung. For example
the first time,
all the REGISTER messages reaching the server were not
challenged, even
worst the server don't respond anything. The second time it happened
with the INVITE messages. The weird thing is that the SER
process were
still running. I don't know what could cause this problem, but my
question is : Is there a way to log information about the "internal
system process" to have a clue about what is happening?. I
would really
appreciate any help. Thanks
Ricardo Martinez.-
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