[OpenSIPS-Users] FW: Opensips 1.6.4 doesn't send an OK response under high load

Mon Sep 10 18:37:13 CEST 2012

Hi Diego,
play around TCP connection lifetime, you could find something.

one thing more check the database during the busy hour and see if something expired.

//Binan

--- On Mon, 9/10/12, Diego Barberio <diego.barberio at redmondsoftware.com> wrote:

From: Diego Barberio <diego.barberio at redmondsoftware.com>
Subject: Re: [OpenSIPS-Users] FW: Opensips 1.6.4 doesn't send an OK response under high load
To: "OpenSIPS users mailling list" <users at lists.opensips.org>
Date: Monday, September 10, 2012, 6:39 AM

Hi All,

I'm still having this issue. However, I went on with my investigation and I've discovered that this issue only happens with my SIP over TCP connections (I have 10 TCP connections)
I've upgraded to version:

Server:: OpenSIPS (1.7.2-notls (i386/linux))

And the issue is still there.

Do you have any other ideas? (Disabling TCP is not an option)

Thanks
Diego

From: users-bounces at lists.opensips.org

[mailto:users-bounces at lists.opensips.org] On Behalf Of Ali Pey

Sent: viernes, 10 de agosto de 2012 01:30 p.m.

To: OpenSIPS users mailling list

Subject: Re: [OpenSIPS-Users] Opensips 1.6.4 doesn't send an OK response

under high load

I can't think of anything else.

Dear opensips team,

Hope you had a good flight-terminator :)

Can you take a look at this please?

Thanks,

Ali Pey

On Fri, Aug 10, 2012 at 12:05 PM, Diego Barberio

<diego.barberio at redmondsoftware.com> wrote:

Hi Ali,

Thanks again for rour feedbak.

Unfortunately that's not the case. I'm attaching an example with the same

Via that works perfectly.

Also, opensips works perfectly all day and only stops sending some OKs

during peak hour.

Do you have any other idea?

Thanks

Diego

From: users-bounces at lists.opensips.org

[mailto:users-bounces at lists.opensips.org] On Behalf Of Ali Pey

Sent: viernes, 10 de agosto de 2012 11:00 a.m.

To: OpenSIPS users mailling list

Subject: Re: [OpenSIPS-Users] Opensips 1.6.4 doesn't send an OK response

under high load

Hi Diego,

I looked at your pcap file and I see that your second via has this:

BC01.MBCSCR4.MSS.IMS.TIGO.COM.GT

Is this a valid address? Maybe opensips can not resolve it so it ignores the

via. Have you tried adding it to /etc/hosts.

Compare a good 200OK with one of these and see if there is any difference.

Regards,

Ali Pey

On Fri, Aug 10, 2012 at 9:20 AM, Diego Barberio

<diego.barberio at redmondsoftware.com> wrote:

Hi Ali,

I removed set the debug flag to 0 and added the "-" before the file path,

and I sill have the same issue.

Is there any other thing I can try?

Thanks

Diego

From: users-bounces at lists.opensips.org

[mailto:users-bounces at lists.opensips.org] On Behalf Of Ali Pey

Sent: jueves, 09 de agosto de 2012 03:30 p.m.

To: OpenSIPS users mailling list

Subject: Re: [OpenSIPS-Users] Opensips 1.6.4 doesn't send an OK response

under high load

Hi Diego,

Have you tried disabling the logging? That's usually the problem. Syslog

slows down opensips.

Also in /etc/syslog.conf as '-' before the file path to make it

asynchronous.

Regards,

Ali Pey

On Thu, Aug 9, 2012 at 2:19 PM, Diego Barberio

<diego.barberio at redmondsoftware.com> wrote:

Hello,

I'm using opensips to forward incoming INVITEs to a set of 8 applications.

I'm using dispatcher module to achieve this.

During peak hour, opensips receives about 350 INVITEs per second, during

this period about 30 OK responses per second my application sends correctly

aren't forwarded by opensips.

I've recompiled opensips so it can use more memory by modifing the config.h

file:

#define PKG_MEM_POOL_SIZE 10*1024*1024          /*!< Used only if PKG_MALLOC

is defined*/

#define SHM_MEM_SIZE 320                        /*!< Used if SH_MEM is

defined*/

The incoming INVITEs come from UDP and TCP.

For each of the OK responses that aren't forwarded this entry appears in the

messages file:

usr/local/sbin/opensips[24554]: ERROR:core:forward_reply: no 2nd via found

in reply

According to my research on the web this message means that the OK only has

one Via header, however this is not the case and the capture attached (made

on server which runs opensips) shows it.

I've also tried to increase the log level, but it made opensips to work slow

even in low traffic hours.

I run some test in my lab and opensips worked perfectly even under more than

350 INVITES per second, this problem only occurs in production

I really don't know what else to do.

Could you help me to fix this issue or at least move on with the

investigation?

Thanks

Diego

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