15 Dec
2006
15 Dec
'06
11:37 a.m.
On 12/14/06 17:03, samuel wrote:
It might be due to a DNS query....whenver a request
has to be
forwarded to a domain, openSER makes a DNS query to resolv the IP.
During this operation, the child processing the request will not
answer to further incoming messages.
If proves to be because of DNS, the best is to
install nscd (name
service cache daemon) which will speed-up a lot DNS interaction. Having
it in the system will help other applications to do DNS queries faster
(e.g., asterisk, mail servers ...). It looks to be really powerful being
able to cache many services, not only DNS. It comes packaged with most
of common distributions.
it also can be happening due to a spiral loop that stays on the server.
This
shouldn't block the process, and if is t_relayed, a 100 reply
should be sent back.
Cheers,
Daniel
Without further information (confg,logs) it's hard to tell which is
the reason...
hope it helps,
Samuel.
without more information
2006/12/14, Max Gregorian <gregorian442(a)googlemail.com>om>:
Hi all,
Just wondering if anyone else has had this problem. I have noticed while
tracing on my OpenSER server, that every now and then the server
receives a
packet which it does to respond to immediately, resulting in a string of
packets being sent to the server and then the server responding a few
seconds later. This does not happen all the time, just say maybe once or
twice every hour. The rest of the time the signaling is correct and
responses follow request packets in the correct order.
What I am trying to figure out is whether this is a load traffic
issue (i.e.
can the server not handle too much load), and if so is it OpenSER or the
network or the server in general? I have run diagnostics on the
servers and
there is nothing wrong with the hardware.
On the other hand Could this be related to any timer issues? I remember
there was mention of timers in SER but are there any default timer
settings
that can be tweaked?
Thanks in advance for any response.
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