[SR-Users] Kamailio presence shared DB_text

[Daniel-Constantin Mierla]

Hello,

some information is still cached for some processing in presence
modules. Not sure to what extent you can rely on sharing everything via
database, maybe t_replicate will help for the rest of the cases.

I think posgress is the db that has the most features needed by presence
modules for sharing, as I remember Peter Dunkley did some work on this
some time ago.

Cheers,
Daniel

On 20/09/15 15:40, Ewgeny wrote:
> Thanks for the reply Daniel.
>
> But is that possible to use the same Presence DB with multiple
> Kamailio's ?
> If i'll use same postgres DB with multiple Kamailio's - it'll cause DB
> locks and other issues ?
>
> What is the best way to do SUBSCRIBE presence replications - maybe via
> SIP (to replicate every handled subscribe msg to all other presences ?)
> And replication via Database must work in db_mode =3 right ? But it
> cause low performance due to high database usage - right ?
>
>
>
> Thanks in advance.
> Kind regards
> Ewgeny
>
>
>
> 17.09.2015 18:50, Daniel-Constantin Mierla пишет:
>> Hello,
>>
>> db_text is not a database engine with a replication mechanism, it is
>> just some basic DB API emulator using text files as storage. At
>> runtime all the records are in memory, so no sharing between
>> instances is possible.
>>
>> If you need replication/shared db, go for the well known ones like
>> mysql or postgres.
>>
>> Cheers,
>> Daniel
>>
>> On 15/09/15 21:51, Ewgeny wrote:
>>> Hi list!
>>>
>>> We use Kamailio 4.2 for presence BLF with DB_TEXT.
>>> And i want to make cluster with a few Kamailio's presences, to load
>>> balance.
>>>
>>> Can you please tell me - is that possible to use same shared DB_TEXT
>>> database with 2 or more Kamailio servers ?
>>>
>>> modparam("presence", "subs_db_mode", 3)
>>> modparam ("presence","dburl","/tmp/share/dbtext")
>>>
>>>
>>> 1-st server will handle SUBSCRIBE's and this Subscribe's should be
>>> accessible also from 2-nd server.
>>> Then PUBLISH'es will be sent to both servers in round robin algorithm.
>>> Will Kamailio's work with one shared DB or - i'll got some errors ?
>>> Maybe i'm wrong somewhere ?
>>>
>>>
>>>
>>>
>>>
>>>
>>> Thanks in advance.
>>> Kind regards
>>> Ewgeny
>>>
>>>
>>> _______________________________________________
>>> SIP Express Router (SER) and Kamailio (OpenSER) - sr-users mailing list
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>>
>> -- 
>> Daniel-Constantin Mierla
>> http://twitter.com/#!/miconda - http://www.linkedin.com/in/miconda
>> Book: SIP Routing With Kamailio - http://www.asipto.com
>> Kamailio Advanced Training, Sep 28-30, 2015, in Berlin - http://asipto.com/u/kat
>>
>>
>> _______________________________________________
>> SIP Express Router (SER) and Kamailio (OpenSER) - sr-users mailing list
>> sr-users at lists.sip-router.org
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>

-- 
Daniel-Constantin Mierla
http://twitter.com/#!/miconda - http://www.linkedin.com/in/miconda
Book: SIP Routing With Kamailio - http://www.asipto.com
Kamailio Advanced Training, Sep 28-30, 2015, in Berlin - http://asipto.com/u/kat

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