[SR-Users] Lost of connection with MySQL?

Igor Potjevlesch igor.potjevlesch at gmail.com
Thu Feb 16 12:16:52 CET 2017


Hello,

 

Indeed, I think there are some DB access external of kamailio.cfg.

If accounting process is implied in the freeze of SIP handling, and if aysnc accounting can solve this, it's my priority. Even if accounting fails due to the timeout you reminded.

 

Regards,

 

Igor.

 

De : Daniel-Constantin Mierla [mailto:miconda at gmail.com] 
Envoyé : mercredi 15 février 2017 08:57
À : Igor Potjevlesch <igor.potjevlesch at gmail.com>; 'Kamailio (SER) - Users Mailing List' <sr-users at lists.sip-router.org>
Objet : Re: [SR-Users] Lost of connection with MySQL?

 

Hello,

it doesn't have to be from kamailio.cfg, but any query from external tools, like cron jobs, billing applications, etc ...

Can you measure how long it takes to do a query from the command line? Just try to select the records by a call-id.

Also, there are some core parameters that will print log messages in case of slow queries/actions, see the core cookbook.

Moreover, the db_mysql module has some parameters to tune the timeouts.

Cheers,
Daniel

 

On 14/02/2017 14:22, Igor Potjevlesch wrote:

Hello,

 

There is only queries on a replication server, so not the one reported in the errors, to make some fraud detections. But, directly from Kamailio config file, there's no queries.

The structure is: id as primary and callid is an index.

 

Regards,

 

Igor.

 

De : Daniel-Constantin Mierla [mailto:miconda at gmail.com] 
Envoyé : mardi 14 février 2017 12:06
À : Igor Potjevlesch  <mailto:igor.potjevlesch at gmail.com> <igor.potjevlesch at gmail.com>; 'Kamailio (SER) - Users Mailing List'  <mailto:sr-users at lists.sip-router.org> <sr-users at lists.sip-router.org>
Objet : Re: [SR-Users] Lost of connection with MySQL?

 

Hello,

it is a lot if you have over 9 million records. Do you run other periodical queries over acc, like generating full cdrs every N minutes?

Have you created other constraints (e.g., unique keys) over the table?

Cheers,
Daniel

 

On 14/02/2017 11:51, Igor Potjevlesch wrote:

Hello Daniel,

 

Actually 9 031 181.

Regards,

 

Igor.

 

De : sr-users [mailto:sr-users-bounces at lists.sip-router.org] De la part de Daniel-Constantin Mierla
Envoyé : mardi 14 février 2017 10:57
À : Kamailio (SER) - Users Mailing List  <mailto:sr-users at lists.sip-router.org> <sr-users at lists.sip-router.org>
Objet : Re: [SR-Users] Lost of connection with MySQL?

 

Hello,

do you have a lot of records inside the acc table?

Cheers,
Daniel

On 14/02/2017 09:54, Igor Potjevlesch wrote:

Hello,

 

Two times in the last week, Kamailio reports MySQL errors like these:

 

/usr/local/sbin/kamailio[19225]: ERROR: db_mysql [km_dbase.c:126]: db_mysql_submit_query(): driver error on query: Can't connect to MySQL server on '192.168.2.6' (4) (2003)

/usr/local/sbin/kamailio[19225]: ERROR: <core> [db_query.c:235]: db_do_insert_cmd(): error while submitting query

/usr/local/sbin/kamailio[19225]: ERROR: acc [acc.c:504]: acc_db_request(): failed to insert into database

 

These errors are repeated many times and cause Kamailio to hang and don't reply to SIP requests. A reboot of Kamailio solves the issue.

 

Anyone has already had this issue and had solved it?

 

Regards,

 

Igor.

 


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Kamailio Advanced Training - Mar 6-8 (Europe) and Mar 20-22 (USA) - www.asipto.com <http://www.asipto.com> 
Kamailio World Conference - May 8-10, 2017 - www.kamailioworld.com <http://www.kamailioworld.com> 

 


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-- 
Daniel-Constantin Mierla
www.twitter.com/miconda <http://www.twitter.com/miconda>  -- www.linkedin.com/in/miconda <http://www.linkedin.com/in/miconda> 
Kamailio Advanced Training - Mar 6-8 (Europe) and Mar 20-22 (USA) - www.asipto.com <http://www.asipto.com> 
Kamailio World Conference - May 8-10, 2017 - www.kamailioworld.com <http://www.kamailioworld.com> 


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