[Kamailio-Users] location table
Daniel-Constantin Mierla
miconda at gmail.com
Thu Feb 5 19:59:08 CET 2009
Hello Joy,
On 02/05/2009 08:41 PM, joy yue wrote:
>
> Hi Daniel,
>
> I checked the NW traffic, it's not very high, around 11k pkt/sec
> coming into SUT. With the similar amount of traffic, openser has not
> problem to deal with call setup/teardown, but not registration.
> Increasing udp buffer helps some, but not a lot.
then probably is whether syslog or db connection if you do authentication.
If CSeq is not properly incremented by uac and openser/kamailio starts
complaining a lot to a syncronous syslog, then it is very likely to be
the cause. Later versions of kamailio should support negative values for
debug, try to set it to -3.
Also, what is the db_mode parameter value of usrloc?
Cheers,
Daniel
>
> I am using 32 children. When things get wrong, with the error message
> I mentioned earlier, I can see messages generated by syslog can be
> very large. This may further degrade the performance and more packets
> get dropped.
>
> How much rate do you get for registration? Do you use authentication?
>
> I will try the test with larger hash size.
>
> Thanks,
> -Joy
>
> On Thu, Feb 5, 2009 at 10:20 AM, Daniel-Constantin Mierla
> <miconda at gmail.com <mailto:miconda at gmail.com>> wrote:
>
> Hello Joy,
>
>
> On 02/05/2009 08:07 PM, joy yue wrote:
>
>
> Hi Daniel,
>
>
>
> On Thu, Feb 5, 2009 at 7:29 AM, Daniel-Constantin Mierla
> <miconda at gmail.com <mailto:miconda at gmail.com>
> <mailto:miconda at gmail.com <mailto:miconda at gmail.com>>> wrote:
>
> Hello,
>
> are you running kamailio/openser with higher debug mode (e.g.,
> debug set to a value higher than 3)?
>
>
> The debug mode I am using is 0, which is set in the .cfg file.
>
> ok, then is not high at all :-)
>
>
>
>
>
> Is your syslog configured asynchronous? I tested
> registration with
> very high rate and there was no performance issue. There is for
> sure something misconfigured.
>
>
> I am using solaris. The default mode is synchronous, and
> actually I don't think solaris support asynchronous write.
> openser use syslog to log in debugging information, right?
>
>
> by default yes. Do you get lot of log messages coming from openser
> in the syslog file?
>
>
> If the mode matters, can I just simply disable openser from
> logging in any information to files?
>
>
> There is compilation to disable all loggings, but it seems that
> the problem is somewhere else.
>
> What is the value of children in your configuration file? Also,
> try to increase the size of the hash table used by usrloc module:
> http://kamailio.org/docs/modules/1.4.x/usrloc.html#id2506464
>
> Can you get stats from the network and see what was the reason for
> dropped packets? Full buffer?
>
> Cheers,
> Daniel
>
>
>
> thanks,
> -Joy
>
>
>
> Cheers,
> Daniel
>
>
>
> On 02/05/2009 01:37 AM, joy yue wrote:
>
>
> Hi Henning/Daniel,
>
> Sorry to take such a long time replying back.
>
> For my rig, I am using the memory as location back-up. When
> the issue occurs, I see many registration request sent from
> SIPp but not many 200 replies. netstat shows a huge
> amount of
> packets get dropped.
>
> Also I realized the issue only occurs when SIPp tried to
> register many users in a very short time. With the same
> number
> of users, the issue goes away if registration rate is kept
> lower. When the issue occurs, usrloc module contends lock a
> lot calling from new_ucontact(), and many system time
> is spent
> in yield system calls. So it looks more like a performance
> issue to me.
>
> Thanks,
> -Joy
>
> On 1/27/09, *Henning Westerholt*
> <henning.westerholt at 1und1.de <mailto:henning.westerholt at 1und1.de>
> <mailto:henning.westerholt at 1und1.de
> <mailto:henning.westerholt at 1und1.de>>
> <mailto:henning.westerholt at 1und1.de
> <mailto:henning.westerholt at 1und1.de>
> <mailto:henning.westerholt at 1und1.de
> <mailto:henning.westerholt at 1und1.de>>>> wrote:
>
> On Monday 26 January 2009, joy yue wrote:
> > Is there a limitation on the number of rows in
> location
> table?
> In my rig,
> > whatever number of users I use (>2million users), I
> notice the
> number of
> > users in location table is 343707, which is far
> less than the
> number of
> > users in my test. I thought previously that location
> table saves
> all the
> > users in my test.
> >
> > Also when I use large number of users (>2million),
> openser pops
> up an
> > error: ERROR: registrar:update_contacts: invalid
> cseq for aor
> <xxxx>. Has
> > anyone saw this before? I am using openser1.3.2.
>
>
> Hi joy,
>
> no, there is no such a limitiation, we've more
> registered
> users.
> The invalid
> CSEQ error you see is not related to this
> observation. The
> error
> means that a
> device tried to do re-registration (same callid), but
> without properly
> increasing the Cseq number in the REGISTER request -
> RFC3261 says that
> requests from the same dialog (like REGISTER +
> re-REGISTER)
> must have
> increasing cseq.
>
> What db_mode do you use in your usrloc? Do you see
> any other
> errors in the
> logs?
>
> Cheers,
>
>
> Henning
>
>
>
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>
>
>
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>
> -- Daniel-Constantin Mierla
> http://www.asipto.com
>
>
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> --
> Daniel-Constantin Mierla
> http://www.asipto.com
>
>
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--
Daniel-Constantin Mierla
http://www.asipto.com
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