[Kamailio-Users] location table
Daniel-Constantin Mierla
miconda at gmail.com
Thu Feb 5 21:25:57 CET 2009
Hello,
On 02/05/2009 10:06 PM, joy yue wrote:
>
> Hi Daniel,
>
> Yes, registration is authenticated against db. Actually, other
> transactions like INVITE also are authenticated against the db. But
> when things are not going well, the yield() function call is from
> registration scenario.
start the openser with debug=5, search after lines containing "locks
array size" and send them. Maybe the number of the locks that could be
created for usrloc is low.
Thanks,
Daniel
> Here is the callstack:
>
> libc.so.1`sched_yield
> usrloc.so`new_ucontact+0x470
> usrloc.so`insert_ucontact+0x28
> registrar.so`save+0x674
> openser`do_action+0x2e74
> openser`run_action_list+0x5c
> openser`eval_expr+0xaf8
> openser`eval_expr+0x2950
> openser`eval_expr+0x2980
> openser`do_action+0x24d0
> openser`run_action_list+0x5c
> openser`do_action+0x1738
> openser`run_action_list+0x5c
> openser`do_action+0x2628
> openser`run_top_route+0x25c
> openser`receive_msg+0x6ec
> openser`udp_rcv_loop+0x1740
> openser`main+0x3f9c
> openser`_start+0x7c
>
> -Joy
>
> On Thu, Feb 5, 2009 at 11:57 AM, Daniel-Constantin Mierla
> <miconda at gmail.com <mailto:miconda at gmail.com>> wrote:
>
> Hello,
>
>
> On 02/05/2009 09:48 PM, joy yue wrote:
>
>
> Hi Daniel,
>
> db_mode is 0. I am using 1.3.2 version. You mentioned there is
> compilation option to disable syslog, how can I do that?
>
> check the Makefile.defs, you have to enable -DNO_LOG in DEFS variable.
>
> Are you doing also authentication of REGISTERs against db?
>
> Cheers,
> Daniel
>
>
>
> thanks,
> -Joy
>
>
> On Thu, Feb 5, 2009 at 10:59 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 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>
> <mailto:miconda at gmail.com <mailto:miconda at gmail.com>>
> <mailto:miconda at gmail.com <mailto:miconda at gmail.com>
> <mailto: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>>
> <mailto:miconda at gmail.com <mailto:miconda at gmail.com>
> <mailto:miconda at gmail.com <mailto:miconda at gmail.com>>>
> <mailto:miconda at gmail.com
> <mailto:miconda at gmail.com> <mailto:miconda at gmail.com
> <mailto:miconda at gmail.com>>
> <mailto: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>>>
> <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
> <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>
> <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
> <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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>
> -- 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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> --
> Daniel-Constantin Mierla
> http://www.asipto.com
>
>
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--
Daniel-Constantin Mierla
http://www.asipto.com
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