[OpenSIPS-Users] opensips 2.2.5 stop responding/processing requests. - Centos 6.5

Bogdan-Andrei Iancu bogdan at opensips.org
Tue Oct 31 08:04:30 EDT 2017

Hi Jonathan,

It looks like you have kind on task inside OpenSIPS that is using a lot 
of time/process resources - shortly, this translate into "there are no 
available worker processes to handle new jobs".

* do you have any threshold set to catch any DB/DNS delays ?
* have you checked the CPU usage ?
* have you monitor the "load:" statistics group ?


Bogdan-Andrei Iancu
   OpenSIPS Founder and Developer

On 10/30/2017 07:33 PM, Jonathan Hunter wrote:
> Hi Guys,
> Has anyone had the following behaviour with this release of opensips?
> It has been running fine for a number of months, and then suddenly 
> today the server which was running as the primary suddenly stopped 
> responding to SIP requests, or stopped processing them, or there was a 
> long pause in a sequence completing.
> So in some cases, INVITES or REGISTER messages were ignored and the 
> initial requests werent always logged in the opensips log file (even 
> though we do this for all messages), however the SIP requests were 
> hitting the server as I was tracing them.
> In the logs I can see the following warnings we havent seen before;
> Oct 30 13:31:25 sgw6 VU-SIP-Proxy[11159]: WARNING:core:utimer_ticker: 
> utimer task <tm-utimer> already scheduled for 9639891650 ms (now 
> 9639891850 ms), it may overlap.
> Oct 30 13:52:48 sgw6 VU-SIP-Proxy[11159]: WARNING:core:timer_ticker: 
> timer task <nh-timer> already scheduled for 9640994180 ms (now 
> 9641175280 ms), it may overlap..
> Oct 30 13:52:48 sgw6 VU-SIP-Proxy[11159]: WARNING:core:timer_ticker: 
> timer task <ul-timer> already scheduled for 9640980270 ms (now 
> 9641175280 ms), it may overlap..
> A restart of the opensips application didnt help, and service was only 
> restored fully when I failed over to the secondary server.
> Has anyone had these issues before? There are no obvious server level 
> issues, and as I mentioned the logs dont contain anything too unusual.
> Any help appreciated.
> Many thanks
> Jon
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