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(a)gmail.com <mailto:miconda@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(a)1und1.de
<mailto:henning.westerholt@1und1.de>
<mailto:henning.westerholt@1und1.de
<mailto:henning.westerholt@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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