[OpenSIPS-Users] Opensips restart and hanging process (dialogs?)

[Bogdan-Andrei Iancu]

DB mode 2 should be fine, 3K dialogs should not be such a burn. It 
depends on the DB performance IMHO.

Regards,

Bogdan-Andrei Iancu
OpenSIPS Founder and Developer
http://www.opensips-solutions.com

On 08.05.2015 14:04, Max Mühlbronner wrote:
>
> ~3000 Dialogs. The DB is supposed to be fast, at least slow query 
> logging did not reveal anything when testing earlier.
>
> Currently the plan is to try a different/locally installed DB Server 
> to also rule out the possibility of network problems/lags.
>
>
> BR
>
> Max M.
>
> On 08.05.2015 12:16, Bogdan-Andrei Iancu wrote:
>> Yes indeed, it looks like flushing dialog info into DB. How many 
>> dialog do you have ongoing and how fast your db is ??
>>
>> Regards,
>>
>> Bogdan-Andrei Iancu
>> OpenSIPS Founder and Developer
>> http://www.opensips-solutions.com
>>
>> On 08.05.2015 13:05, Max Mühlbronner wrote:
>>>
>>> Here is a pastebin of the bt (attendant process, while restarting). 
>>> Seems to be the database operations/dialogs?
>>>
>>>
>>> http://pastebin.com/9zHQjMMq
>>>
>>>
>>> BR
>>>
>>> Max M.
>>>
>>> On 08.05.2015 11:01, Bogdan-Andrei Iancu wrote:
>>>> Max,
>>>>
>>>> What you can do is to try to attach with GDB to the attendant 
>>>> process while doing the cleanup. It will be interesting to see what 
>>>> is going on.
>>>>
>>>> Regards,
>>>>
>>>> Bogdan-Andrei Iancu
>>>> OpenSIPS Founder and Developer
>>>> http://www.opensips-solutions.com
>>>>
>>>> On 08.05.2015 09:58, Max Mühlbronner wrote:
>>>>> Hi,
>>>>>
>>>>> Thanks for your reply. No, nothing special. Even changed db_mode 
>>>>> for dialog module to realtime. No usrloc.
>>>>>
>>>>> Delaying the start-stop-daemon (--retry) like Aron suggested is a 
>>>>> workaround for restarting, although i am still wondering why the 
>>>>> process is taking so long to quit.
>>>>>
>>>>> Indeed, see you at the Summit.
>>>>>
>>>>>
>>>>> BR
>>>>>
>>>>> Max M.
>>>>>
>>>>> On 07.05.2015 18:35, Bogdan-Andrei Iancu wrote:
>>>>>> Hi Max,
>>>>>>
>>>>>> The attendant is responsible for doing the cleanup for all 
>>>>>> modules and core - this is why it may take longer to complete. Do 
>>>>>> you have memory logging or some expensive DB flushing on shutdown ?
>>>>>>
>>>>>> BTW: see you in Amsterdam for the OpenSIPS Summit !
>>>>>>
>>>>>> Regards,
>>>>>>
>>>>>> Bogdan-Andrei Iancu
>>>>>> OpenSIPS Founder and Developer
>>>>>> http://www.opensips-solutions.com
>>>>>>
>>>>>> On 07.05.2015 11:01, Max Mühlbronner wrote:
>>>>>>>
>>>>>>> Comparing "opensipsctl ps" and the pid of the remaining process 
>>>>>>> shows it's the attendant process.
>>>>>>>
>>>>>>> root at opensips1:/etc/opensips# opensipsctl ps
>>>>>>>
>>>>>>> Process:: ID=0 PID=25935 Type=attendant
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>> root at opensips1:/etc/opensips# /etc/init.d/opensips restart
>>>>>>>
>>>>>>> Restarting opensips: opensips^[[Aroot at opensips1:/etc/opensips# 
>>>>>>> ps uax|grep opensips
>>>>>>>
>>>>>>> opensips 25935 0.0 2.1 962160 21768 ? S 09:44 0:00 
>>>>>>> /sbin/opensips -P /var/run/opensips/opensips.pid -m 896 -M 32 -u 
>>>>>>> opensips -g opensips
>>>>>>>
>>>>>>>
>>>>>>> After a few seconds the attendant process is gone, and opensips 
>>>>>>> is not running anymore. Did anyone experience something like 
>>>>>>> this before?
>>>>>>>
>>>>>>>
>>>>>>> BR
>>>>>>>
>>>>>>> Max M.
>>>>>>>
>>>>>>> On 05.05.2015 11:00, Max Mühlbronner wrote:
>>>>>>>> Hi,
>>>>>>>>
>>>>>>>> when restarting Opensips it will shut down all the processes 
>>>>>>>> immediately, but there is still a single process left "hanging" 
>>>>>>>> (cpu load) which eventually exits after some time. It is not 
>>>>>>>> possible to restart Opensips until this process is killed/quits.
>>>>>>>>
>>>>>>>> root at opensips1:~# /etc/init.d/opensips restart
>>>>>>>> Restarting opensips: opensipsroot at opensips1:~#
>>>>>>>>
>>>>>>>>
>>>>>>>> Opensips version is 1.11.4-tls. But we also had the same issue 
>>>>>>>> with 1.7.x and 1.10.X.
>>>>>>>>
>>>>>>>> There are ~3000 active dialogs, but it should not take that 
>>>>>>>> long to dump everything into the database. (db_mode is set to 
>>>>>>>> "2") right?
>>>>>>>>
>>>>>>>> Any hints/ideas are appreciated.
>>>>>>>>
>>>>>>>>
>>>>>>>> Best Regards
>>>>>>>>
>>>>>>>>
>>>>>>>> Max M.
>>>>>>>>
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>>>>>>>
>>>>>>>
>>>>>>>
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>>>>>>>
>>>>>>>
>>>>>>
>>>>>
>>>>>
>>>>
>>>
>>>
>>
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