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<div class="moz-cite-prefix">Hello,<br>
<br>
First of all, what kind of probing mode do you have defined ? (
[1] )<br>
<br>
Possible reasons are that either you are talking to your gateways
via TCP, and OpenSIPS is losing some time establishing new
connections or actually sending out SIP messages via TCP. You can
set some thresholds where OpenSIPS will warn you in case TCP gets
slow, see [2].<br>
<br>
Another possibility would be that you have your gateways defined
as FQDNs, and OpenSIPS is wasting lots of time doing DNS
queries.You can set some thresholds where OpenSIPS will warn you
in case DNS gets slow, see [3].<br>
<br>
[1]
<a class="moz-txt-link-freetext" href="http://www.opensips.org/html/docs/modules/1.11.x/drouting.html#id250145">http://www.opensips.org/html/docs/modules/1.11.x/drouting.html#id250145</a><br>
[2]
<a class="moz-txt-link-freetext" href="http://www.opensips.org/Documentation/Script-CoreParameters-1-11#toc87">http://www.opensips.org/Documentation/Script-CoreParameters-1-11#toc87</a><br>
[3]
<a class="moz-txt-link-freetext" href="http://www.opensips.org/Documentation/Script-CoreParameters-1-11#toc53">http://www.opensips.org/Documentation/Script-CoreParameters-1-11#toc53</a><br>
<br>
Best Regards,<br>
<pre class="moz-signature" cols="72">Vlad Paiu
OpenSIPS Developer
<a class="moz-txt-link-freetext" href="http://www.opensips-solutions.com">http://www.opensips-solutions.com</a> </pre>
On 02.03.2014 17:38, Remco wrote:<br>
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<blockquote
cite="mid:CAJy1ugy08egFBTDkzV3akv4kRo1U8PoDmJfWJvocdBRfFZv9HQ@mail.gmail.com"
type="cite">
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<div>Hi all,<br>
<br>
</div>
I'm experiencing timer shifts running OpenSIPS 1.9.<br>
</div>
The following message is in the logfile: <br>
<br>
Mar 2 06:49:15 [hostname] /usr/sbin/opensips[18796]:
CRITICAL:core:timer_ticker: timer handler <dr-pinger>
lasted (19910000 us) for more than timer tick (1000000 us)
-> potential timer shifting<br>
<br>
</div>
It seems that dr-pinger is experiencing some sort of delay
which shifts the internal timer in the opensips process.
Although the delays vary, they are not significantly
increasing. After some time issues with processing traffic
start to arise. Eventually some gateways are disabled by
Drouting, although that takes a couple of hours.<br>
<br>
</div>
To me it seems that we have some sort of networking issue, what
i cannot understand why drouting is causing the internal timers
to shift. As the main function of the dr-pinger is to detect
unreachable gateways and disable them. Perhaps someone has an
idea what might be causing this behavior? <br>
<br>
Thanks,<br>
Remco.<br>
</div>
<br>
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