RE: [Users] load testing presence server - sr-users

27 Mar 2007

Hi Daniel,

In a scenario in witch we have a winfo and presence Subscribe with a 70 sessions per
second after a wile (3906 sessions in last test) the openser crashes. Can you take a look
in the attached logs from /var/log/openser.log and from core dump (they are on the same
attached file)?

Thanks,
Toni

-----Original Message-----
From: Daniel-Constantin Mierla [mailto:daniel@voice-system.ro] 
Sent: terça-feira, 27 de Março de 2007 10:12
To: Toni Barata
Cc: users(a)openser.org
Subject: Re: [Users] load testing presence server

Hello,

On 03/26/07 19:12, Toni Barata wrote:
...
  Hi Daniel,

 Increasing the children from 4 to 16 did turn into same results (I was already using
debug=3 and fork=yes).

 But setting debug=0 did real turn in much better results. 
    looks like lot of syslog messages are printed. Can you check if your 
syslog is set asynchronous for openser?

Cheers,
Daniel

...
  Thanks a lot,
 Toni

 -----Original Message-----
 From: Daniel-Constantin Mierla [mailto:daniel@voice-system.ro] 
 Sent: segunda-feira, 26 de Março de 2007 16:53
 To: Toni Barata
 Cc: users(a)openser.org
 Subject: Re: [Users] load testing presence server

 Hello,

 if you use exactly the same config, then turn debug to a lower level 
 (e.g., 3), set fork=yes and children to 16 for better results.

 Cheers,
 Daniel

 On 03/26/07 18:48, Toni Barata wrote:

  Hi Anka,

 In a scenario using Openser as a Presence Sever (using the config file 
 example located in 
 http://openser.org/dokuwiki/doku.php/presence:configuration-file), the 
 execution of load tests (with sipp) with Subscribe Presence WInfo had 
 as result a maximum of 20 sessions per second (We are using a Intel(R) 
 Xeon(TM) CPU 3.00GHz with 2GB RAM), with lots of retransmissions if we 
 increase to values bigger than 20 (Openser dos not crash). Is there 
 any configurable parameter in the Presence module that allows 
 increasing this value?

 Best regards,

 Toni

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