Hi Chen-Che,
Those logs are really relevant to your dialog expire problem. What those
logs say is that some timer routines (like ds-pinger or tm-timer) took
very long to execute ( like 2 or 4 seconds) and this leads to delays in
the execution of the following timer routines (the timer process gets
delayed). This is a limitation of 1.x OpenSIPS versions, where timers
are executed in sequential order in a single process (and if one gets
slow, it will affect the other too).
The ides is to address the timer routines reported as being slow. The
tm-timer can be moved into a separate process :
http://www.opensips.org/html/docs/modules/1.9.x/tm.html#id294499
For the dispatcher pinger - how many destinations do you have in the
list ? also, do you have some TCP destinations in there ?
Best regards,
Bogdan-Andrei Iancu
OpenSIPS Founder and Developer
http://www.opensips-solutions.com
On 03.02.2015 10:05, microx wrote:
Dear all,
I have been using the automatic dialog termination feature by setting the
dialog default timer (modparam("dialog", "default_timeout", 1800) and
create_dialog(“B”). This function had been working normally for weeks but it
turned abnormal in the last few days. Specifically, the OpenSIPS server
would terminate the calls later than the time at which the timer expired
(e.g., the timeout value is 30 minutes but the server terminated the calls
after the calls have been lasting 35 minutes).
When running opensipsctl fifo dlg_list, I found the timeout was correct but
kept varying (increased slowly and sometime stayed fixed). Besides, the
following messages are shown in the log many times
CRITICAL:core:timer_ticker: timer handler <ds-pinger> lasted (2720000 us)
for more than timer tick (1000000 us) -> potential timer shifting
CRITICAL:core:timer_ticker: timer handler <tm-timer> lasted (3810000 us) for
more than timer tick (1000000 us) -> potential timer shifting
I had no idea about any relevance between ``late call termination’’ and
``timer shifting’’. I use OpenSIP version 1.9.0. Does anyone encounter
similar issue? Any comment is greatly appreciated.
Best wishes,
Chen-Che
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