[Freeswitch-users] Sofia freezing for 5 minutes then starting again

Abaci abaci64 at gmail.com
Sun Nov 25 21:46:46 MSK 2012 

I just remember reading somewhere on a blog something about a similar 
issue and this was the cause.
Just found that post 
http://blog.godson.in/2011/06/pitfalls-to-avoid-while-using.html not 
sure that's the issue. either way it's a good idea to set the timeout 
option.

On 11/25/2012 11:32 AM, Ken Rice wrote:
> Sofia is not single threaded except for in one spot deep in libsofia,
> >From there, messages are handed off to a number of message queues for FS
> core to handle as needed...
>
> Check to see if anything that fs is depending on is blocking on info
> retrieval like the databases or other areas...
>
> K
>
> On 11/25/12 9:51 AM, "Abaci" <abaci64 at gmail.com> wrote:
>
>> you mentioned that you use xml_curl, if your web server hangs it may
>> hang sofia, iirc sofia is running a single thread and it will wait for
>> the xml_curl response before continuing to the next request.
>>
>> On 11/23/2012 1:13 PM, Steven Ayre wrote:
>>> Any kind of DB backup running? Or any long-running queries (innotop is
>>> great for highlighting queries that've been running a while, including
>>> on non-innodb tables).
>>>
>>> A global read lock, or queries waiting for a lock could block a db
>>> update from the sofia profile thread but still allow read-only queries
>>> (sofia status) to run.
>>>
>>> -Steve
>>>
>>>
>>>
>>> On 23 November 2012 15:32, Tim St. Pierre <fs-list at communicatefreely.net>
>>> wrote:
>>>> Hi Steven,
>>>>
>>>> Thanks for the suggestions.  I'm hoping once I get the upgrade done it will
>>>> all go away.
>>>> I have watched it happen at least once.  I was on the phone at the time.
>>>> Console activity
>>>> more or less stopped, except for a few calls hanging up.  The console
>>>> remains responsive,
>>>> and my call wasn't dropped for at least a minute or two (media timeout?).  I
>>>> was able to
>>>> run sofia status and other commands that use the database, so I'm assuming
>>>> that the
>>>> connection was still working.  All our media is runs through the box, so I
>>>> think things
>>>> are fine on the Ethernet level.  I do see higher load averages - maybe 3-4,
>>>> but that's the
>>>> only obvious indication.  It's not taking CPU beyond 10% or so.
>>>>
>>>> We are using MySQL as the core DB and also as the DB backend for each sofia
>>>> profile.  This
>>>> is connecting through ODBC of course.
>>>>
>>>> If I can get the other kinks worked out, then I will try 1.2 stable in
>>>> production and
>>>> we'll see how it goes.
>>>>
>>>> -Tim
>>>>
>>>> Steven Ayre wrote:
>>>>>       Freeswitch is 1.0.head (git-7531fed 2011-08-17 11-27-20 -0500)
>>>>>
>>>>>
>>>>> As you've already acknowledged it's a very old version.
>>>>>
>>>>> It's possible that your issue has already been found and fixed, but if
>>>>> it hasn't then the code will have changed significantly since then and
>>>>> you'd really need to reproduce it on the latest code for it to be
>>>>> investigated.
>>>>>
>>>>>
>>>>> As some general thoughts though, are you able to spot it happening while
>>>>> it's happening or only afterwards?
>>>>>
>>>>> If you're able to get on the system during one of those times look at
>>>>> what else is happening. Is the load average/cpu usage/io high? Perhaps
>>>>> something's running that's blocking all access or causing very high IO.
>>>>>
>>>>> What DB backend are you using for Sofia? Is it possible that that's
>>>>> hanging for a moment? For example if you're running a backup on the DB
>>>>> that blocks all writes to the DB while Sofia is trying to update the DB
>>>>> that perhaps would cause this.
>>>>>
>>>>> Try running a SIP OPTIONS ping your your sofia profile from the
>>>>> localhost during that time, which should exclude it being any issue on
>>>>> the ethernet.
>>>>>
>>>>> -Steve
>>>>>
>>>>>
>>>>>
>>>>>
>>>>> On 22 November 2012 19:31, Tim St. Pierre <fs-list at communicatefreely.net
>>>>> <mailto:fs-list at communicatefreely.net>> wrote:
>>>>>
>>>>>       Hello,
>>>>>
>>>>>       I'm having a bit of an odd problem.
>>>>>
>>>>>       Intermittently, often every 2-3 days or so, Freeswitch stops
>>>>>       replying to SIP for about 5
>>>>>       minutes.  I can't verify if it's EXACTLY 5 minutes, but it seems to
>>>>>       be pretty close.
>>>>>
>>>>>       During this time, no new registrations or invites can happen, but
>>>>>       existing calls stay
>>>>>       connected for at least a minute or two.  In the logs, you can see
>>>>>       calls slowly hanging up
>>>>>       with "NORMAL_CLEARING".  In 5 minutes, everything starts up again
>>>>>       with no word about it at
>>>>>       all in the logs.
>>>>>
>>>>>       When calls resume, I notice that the number of sessions returned by
>>>>>       the status command is
>>>>>       one higher than the actual number sessions returned by show
>>>>>       channels, or by looking in the
>>>>>       database.  Every time this happens, the discrepancy increases by one.
>>>>>
>>>>>       The interruption happens on all SIP profiles, but calls originated
>>>>>       from the socket API
>>>>>       still work, insofar as they return with PROGRESS_TIMEOUT since the
>>>>>       profiles are still
>>>>>       running, but stuck.
>>>>>
>>>>>       We are using ODBC/MySQL for the core database, and the database
>>>>>       server only runs this
>>>>>       database and some basic PHP/xml-curl stuff.
>>>>>
>>>>>       We have 416 endpoints registered, and usually sit at about 30
>>>>>       sessions during the day.
>>>>>
>>>>>       This never happens at night, only during busier times, but not
>>>>>       necessarily busy hour.
>>>>>
>>>>>       I'm running on FreeBSD 8.2-RELEASE AMD 64(2 XEON cores, 4G ram)
>>>>>
>>>>>       Freeswitch is 1.0.head (git-7531fed 2011-08-17 11-27-20 -0500)
>>>>>
>>>>>       Yes, I know it's old and I'm trying to upgrade, but I'm still having
>>>>>       some problems getting
>>>>>       all my phones to work properly with 1.2 stable.  This is a
>>>>>       production system, so I can't
>>>>>       just blindly put out the newest release.  Mostly, I need to buy
>>>>>       myself some time so that I
>>>>>       can get the kinks worked out of the latest version and then upgrade
>>>>>       the production box.
>>>>>
>>>>>       I'm grateful for any insights as to what could be happening, even if
>>>>>       a solution is just a
>>>>>       temporary workaround.
>>>>>
>>>>>       Thanks!
>>>>>
>>>>>       -Tim
>>>>>
>>>>>       
>>>>> _________________________________________________________________________
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>>>>>
>>>>>       
>>>>>       
>>>>>
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>>>>>
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>>>> _________________________________________________________________________
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>>>> http://www.freeswitchsolutions.com
>>>>
>>>> 
>>>> 
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>>
>> _________________________________________________________________________
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>> http://www.freeswitchsolutions.com
>>
>> 
>> 
>>
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