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José Seabra

16 Dec 2014 16 Dec '14

1:51 p.m.

Hello there, I'm doing stress testing against kamailio (sip load balancer role) sending sip registrar, my stress test software is sending 50 registrations per second, after 30 seconds and 1000 registers processed the function ds_select_dst (I'm using algorithm 4) returns null for all registers sent from my software, and all registrar sip servers are available and in active mode, if I reduce the software to send 20 registrar's per second, the issue only happens after 60 seconds and kamailio (sip load balancer role) process 4000 registrers, after this, function ds_select_dst starts returning null Anyone has any idea why it is happening? My kamailio version is 4.2 Best Regards -- Cumprimentos José Seabra

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Daniel-Constantin Mierla

16 Dec 16 Dec

2:06 p.m.

Hello, what do you mean starts returning null? Does it enter inside a condition like: if(!ds_select_dst(...)) Are there any error messages in syslog? Daniel On 16/12/14 12:51, José Seabra wrote:

...

-- Daniel-Constantin Mierla http://twitter.com/#!/miconda - http://www.linkedin.com/in/miconda

José Seabra

2:14 p.m.

...

Hello, what do you mean starts returning null? Does it enter inside a condition like: if(!ds_select_dst(...)) Are there any error messages in syslog? Daniel On 16/12/14 12:51, José Seabra wrote: Hello there, I'm doing stress testing against kamailio (sip load balancer role) sending sip registrar, my stress test software is sending 50 registrations per second, after 30 seconds and 1000 registers processed the function ds_select_dst (I'm using algorithm 4) returns null for all registers sent from my software, and all registrar sip servers are available and in active mode, if I reduce the software to send 20 registrar's per second, the issue only happens after 60 seconds and kamailio (sip load balancer role) process 4000 registrers, after this, function ds_select_dst starts returning null Anyone has any idea why it is happening? My kamailio version is 4.2 Best Regards -- Cumprimentos José Seabra _______________________________________________ SIP Express Router (SER) and Kamailio (OpenSER) - sr-users mailing listsr-users@lists.sip-router.orghttp://lists.sip-router.org/cgi-bin/mailman/listinfo/sr-users -- Daniel-Constantin Mierlahttp://twitter.com/#!/miconda - http://www.linkedin.com/in/miconda _______________________________________________ SIP Express Router (SER) and Kamailio (OpenSER) - sr-users mailing list sr-users(a)lists.sip-router.org http://lists.sip-router.org/cgi-bin/mailman/listinfo/sr-users

-- Cumprimentos José Seabra

José Seabra

2:16 p.m.

Update: My last email has the wrong example, the correct code is: if(!ds_select_dst("9", "4")) { xlog("L_ERR", "Failed to select proxy - R=$ru ID=$ci\n"); sl_send_reply("503", "No proxy available, try again later"); exit; } I'm using algorithm 4. 2014-12-16 12:14 GMT+00:00 José Seabra <joseseabra4(a)gmail.com>om>:

...

-- Cumprimentos José Seabra

José Seabra

18 Dec 18 Dec

1:29 p.m.

...

-- Cumprimentos José Seabra

Daniel-Constantin Mierla

1:35 p.m.

...

Hello Daniel, Do you need more information from my kamailio settup, in order to try understand why this issue happens? Thank you BR José Seabra 2014-12-16 12:16 GMT+00:00 José Seabra <joseseabra4(a)gmail.com <mailto:joseseabra4@gmail.com>>: Update: My last email has the wrong example, the correct code is: if(!ds_select_dst("9", "4")) { xlog("L_ERR", "Failed to select proxy - R=$ru ID=$ci\n"); sl_send_reply("503", "No proxy available, try again later"); exit; } I'm using algorithm 4. 2014-12-16 12:14 GMT+00:00 José Seabra <joseseabra4(a)gmail.com <mailto:joseseabra4@gmail.com>>: Hello Daniel, Yes it enter inside a condition. my code is: if(!ds_select_dst("9", "0")) { xlog("L_ERR", "Failed to select proxy - R=$ru ID=$ci\n"); sl_send_reply("503", "No proxy available, try again later"); exit; } and all sip registrers sent receives a sip reply 503 "No proxy available, try again later" BR José Seabra 2014-12-16 12:06 GMT+00:00 Daniel-Constantin Mierla <miconda(a)gmail.com <mailto:miconda@gmail.com>>: Hello, what do you mean starts returning null? Does it enter inside a condition like: if(!ds_select_dst(...)) Are there any error messages in syslog? Daniel On 16/12/14 12:51, José Seabra wrote:

-- Daniel-Constantin Mierla http://twitter.com/#!/miconda <http://twitter.com/#%21/miconda> - http://www.linkedin.com/in/miconda _______________________________________________ SIP Express Router (SER) and Kamailio (OpenSER) - sr-users mailing list sr-users(a)lists.sip-router.org <mailto:sr-users@lists.sip-router.org> http://lists.sip-router.org/cgi-bin/mailman/listinfo/sr-users -- Cumprimentos José Seabra -- Cumprimentos José Seabra -- Cumprimentos José Seabra

-- Daniel-Constantin Mierla http://twitter.com/#!/miconda - http://www.linkedin.com/in/miconda

José Seabra

4:14 p.m.

Hello Daniel, Thank you for your reply, Please check out the attachment with kamailio logs in mode debug 3, i didn't find any errors, the only thingh that is confusing me is this line: /usr/local/sbin/kamailio[13690]: DEBUG: dispatcher [dispatch.c:1745]: ds_select_dst_limit(): alg hash [0] I don't know if this "ds_select_dst_limit(): alg hash [0]" is related with algorithm parameter in function ds_select_dst, but, if yes i cannot understand why it is 0 because I'm using algorithm 4. BR José Seabra 2014-12-18 11:35 GMT+00:00 Daniel-Constantin Mierla <miconda(a)gmail.com>om>:

...

Hello, I asked in the first email - do you get error messages in syslog? If not, then you have to run with debug=3 and look at the log messages to see if you get further hints. Cheers, Daniel On 18/12/14 12:29, José Seabra wrote: Hello Daniel, Do you need more information from my kamailio settup, in order to try understand why this issue happens? Thank you BR José Seabra 2014-12-16 12:16 GMT+00:00 José Seabra <joseseabra4(a)gmail.com>om>:

-- Cumprimentos José Seabra

-- Cumprimentos José Seabra -- Daniel-Constantin Mierlahttp://twitter.com/#!/miconda - http://www.linkedin.com/in/miconda

-- Cumprimentos José Seabra

Carsten Bock

4:43 p.m.

Hi, quick questions: - Do you have the Dispatcher Activity detection turned on? - Do you do something like "ds_mark_dst()" in your failure route? - Can you send me your config, so i can verify a few things? Thanks, Carsten 2014-12-18 15:14 GMT+01:00 José Seabra <joseseabra4(a)gmail.com>om>:

...

Hello Daniel, Yes it enter inside a condition. my code is: if(!ds_select_dst("9", "0")) { xlog("L_ERR", "Failed to select proxy - R=$ru ID=$ci\n"); sl_send_reply("503", "No proxy available, try again later"); exit; } and all sip registrers sent receives a sip reply 503 "No proxy available, try again later" BR José Seabra 2014-12-16 12:06 GMT+00:00 Daniel-Constantin Mierla <miconda(a)gmail.com>om>: > > Hello, > > what do you mean starts returning null? > > Does it enter inside a condition like: > > if(!ds_select_dst(...)) > > Are there any error messages in syslog? > > Daniel > > > On 16/12/14 12:51, José Seabra wrote: > > Hello there, > > I'm doing stress testing against kamailio (sip load balancer role) > sending sip registrar, my stress test software is sending 50 registrations > per second, after 30 seconds and 1000 registers processed the function > ds_select_dst (I'm using algorithm 4) returns null for all registers sent > from my software, and all registrar sip servers are available and in active > mode, if I reduce the software to send 20 registrar's per second, the issue > only happens after 60 seconds and kamailio (sip load balancer role) process > 4000 registrers, after this, function ds_select_dst starts returning null > > > Anyone has any idea why it is happening? > My kamailio version is 4.2 > > Best Regards > -- > Cumprimentos > José Seabra > > > _______________________________________________ > SIP Express Router (SER) and Kamailio (OpenSER) - sr-users mailing list > sr-users(a)lists.sip-router.org > http://lists.sip-router.org/cgi-bin/mailman/listinfo/sr-users > > > -- > Daniel-Constantin Mierla > http://twitter.com/#!/miconda - http://www.linkedin.com/in/miconda > > > _______________________________________________ > SIP Express Router (SER) and Kamailio (OpenSER) - sr-users mailing list > sr-users(a)lists.sip-router.org > http://lists.sip-router.org/cgi-bin/mailman/listinfo/sr-users > -- Cumprimentos José Seabra

-- Cumprimentos José Seabra

-- Cumprimentos José Seabra -- Daniel-Constantin Mierla http://twitter.com/#!/miconda - http://www.linkedin.com/in/miconda

-- Cumprimentos José Seabra _______________________________________________ SIP Express Router (SER) and Kamailio (OpenSER) - sr-users mailing list sr-users(a)lists.sip-router.org http://lists.sip-router.org/cgi-bin/mailman/listinfo/sr-users

José Seabra

5:10 p.m.

Hi Carsten

...

- Do you have the Dispatcher Activity detection turned on? Can you send me your config, so i can verify a few things?

My dispatcher configuration is: # ----- dispatcher params ----- modparam("dispatcher", "table_name", "dispatcher") modparam("dispatcher", "force_dst", 2) modparam("dispatcher", "flags", 3) modparam("dispatcher", "db_url", DBURL) modparam("dispatcher", "dst_avp", "$avp(s:dst)") modparam("dispatcher", "cnt_avp", "$avp(s:dsp_uri_count)") modparam("dispatcher", "grp_avp", "$avp(s:dsp_uri_grp)") modparam("dispatcher", "ds_ping_method", "OPTIONS") modparam("dispatcher", "ds_ping_from", "sip:sipcheck@10.0.20.102:5062") modparam("dispatcher", "ds_ping_interval", 10) modparam("dispatcher", "ds_probing_threshhold", 3) modparam("dispatcher", "ds_probing_mode", 2)

...

Do you do something like "ds_mark_dst()" in your failure route?

Yes, I'm using ds_mark_dst inside of failure route, but the "REGISTER" is not entering in failure route in any case, because when "REGISTER" gets the function ds_select_dst, this function returns false and my kamailio sends a statless reply to phone and drops the message. I did a test that was comment "ds_mark_dst("ip");" in failure route and even with this I still having the same issue. route[HANDLE_REGISTER] { .... t_set_fr(0,2000); t_on_failure("PRXFAILURE"); if(!ds_select_dst("9", "4")) { xlog("L_ERR", "Failed to select proxy - R=$ru ID=$ci\n"); sl_send_reply("503", "No proxy available, try again later"); exit; } ... route(RELAY); } failure_route[PRXFAILURE] { if(is_method("REGISTER") && (t_check_status("500") || t_branch_timeout() || !t_branch_replied())) { $var(cache_user) = $tU + "@" + $td; $sht(prxcache=>$var(cache_user))=$null; ds_mark_dst("ip"); if(ds_next_dst()) { #again set local timeout for reply t_set_fr(0,2000); t_on_failure("PRXFAILURE"); xlog("L_INFO", "PRX FAILURE -REGISTER New dest $du ID=$ci\n"); $sht(tmpcache=>$var(cache_user))=$du; route(RELAY); exit; } else { #last available node failed to reply, no other destinations available send_reply("404", "No destination"); exit; } } } BR José Seabra 2014-12-18 14:43 GMT+00:00 Carsten Bock <carsten(a)ng-voice.com>om>:

...

Hello Daniel, Thank you for your reply, Please check out the attachment with kamailio logs in mode debug 3, i

didn't

find any errors, the only thingh that is confusing me is this line: /usr/local/sbin/kamailio[13690]: DEBUG: dispatcher [dispatch.c:1745]: ds_select_dst_limit(): alg hash [0] I don't know if this "ds_select_dst_limit(): alg hash [0]" is related

with

algorithm parameter in function ds_select_dst, but, if yes i cannot understand why it is 0 because I'm using algorithm 4. BR José Seabra 2014-12-18 11:35 GMT+00:00 Daniel-Constantin Mierla <miconda(a)gmail.com>om>: > > Hello, > > I asked in the first email - do you get error messages in syslog? If

not,

> then you have to run with debug=3 and look at the log messages to see

if you

> get further hints. > > Cheers, > Daniel > > > On 18/12/14 12:29, José Seabra wrote: > > Hello Daniel, > Do you need more information from my kamailio settup, in order to try > understand why this issue happens? > Thank you > BR > José Seabra > > > 2014-12-16 12:16 GMT+00:00 José Seabra <joseseabra4(a)gmail.com>om>: >> >> Update: >> My last email has the wrong example, the correct code is: >> >> if(!ds_select_dst("9", "4")) >> { >> xlog("L_ERR", "Failed to select proxy - R=$ru ID=$ci\n"); >> sl_send_reply("503", "No proxy available, try again later"); >> exit; >> } >> >> I'm using algorithm 4. >> >> 2014-12-16 12:14 GMT+00:00 José Seabra <joseseabra4(a)gmail.com>om>: >>> >>> Hello Daniel, >>> >>> Yes it enter inside a condition. >>> >>> my code is: >>> >>> if(!ds_select_dst("9", "0")) >>> { >>> xlog("L_ERR", "Failed to select proxy - R=$ru ID=$ci\n"); >>> sl_send_reply("503", "No proxy available, try again later"); >>> exit; >>> } >>> and all sip registrers sent receives a sip reply 503 "No proxy >>> available, try again later" >>> >>> >>> BR >>> José Seabra >>> >>> 2014-12-16 12:06 GMT+00:00 Daniel-Constantin Mierla <

miconda(a)gmail.com>gt;:

>>>> >>>> Hello, >>>> >>>> what do you mean starts returning null? >>>> >>>> Does it enter inside a condition like: >>>> >>>> if(!ds_select_dst(...)) >>>> >>>> Are there any error messages in syslog? >>>> >>>> Daniel >>>> >>>> >>>> On 16/12/14 12:51, José Seabra wrote: >>>> >>>> Hello there, >>>> >>>> I'm doing stress testing against kamailio (sip load balancer role) >>>> sending sip registrar, my stress test software is sending 50

registrations

>>>> per second, after 30 seconds and 1000 registers processed the

function

>>>> ds_select_dst (I'm using algorithm 4) returns null for all registers

sent

>>>> from my software, and all registrar sip servers are available and in

active

>>>> mode, if I reduce the software to send 20 registrar's per second,

the issue

>>>> only happens after 60 seconds and kamailio (sip load balancer role)

process

>>>> 4000 registrers, after this, function ds_select_dst starts returning

null

>>>> >>>> >>>> Anyone has any idea why it is happening? >>>> My kamailio version is 4.2 >>>> >>>> Best Regards >>>> -- >>>> Cumprimentos >>>> José Seabra >>>> >>>> >>>> _______________________________________________ >>>> SIP Express Router (SER) and Kamailio (OpenSER) - sr-users mailing

list

>>>> sr-users(a)lists.sip-router.org >>>> http://lists.sip-router.org/cgi-bin/mailman/listinfo/sr-users >>>> >>>> >>>> -- >>>> Daniel-Constantin Mierla >>>> http://twitter.com/#!/miconda - http://www.linkedin.com/in/miconda >>>> >>>> >>>> _______________________________________________ >>>> SIP Express Router (SER) and Kamailio (OpenSER) - sr-users mailing

list

>> sr-users(a)lists.sip-router.org >> http://lists.sip-router.org/cgi-bin/mailman/listinfo/sr-users >> > > > -- > Cumprimentos > José Seabra -- Cumprimentos José Seabra

-- Cumprimentos José Seabra -- Daniel-Constantin Mierla http://twitter.com/#!/miconda - http://www.linkedin.com/in/miconda

-- Carsten Bock CEO (Geschäftsführer) ng-voice GmbH Schomburgstr. 80 D-22767 Hamburg / Germany http://www.ng-voice.com mailto:carsten@ng-voice.com Office +49 40 5247593-0 Fax +49 40 5247593-99 Sitz der Gesellschaft: Hamburg Registergericht: Amtsgericht Hamburg, HRB 120189 Geschäftsführer: Carsten Bock Ust-ID: DE279344284 Hier finden Sie unsere handelsrechtlichen Pflichtangaben: http://www.ng-voice.com/imprint/ _______________________________________________ SIP Express Router (SER) and Kamailio (OpenSER) - sr-users mailing list sr-users(a)lists.sip-router.org http://lists.sip-router.org/cgi-bin/mailman/listinfo/sr-users

-- Cumprimentos José Seabra

Daniel-Constantin Mierla

22 Dec 22 Dec

1:36 p.m.

Hello, can you check the state of the gateways when you get this issue? Via: kamctl mi ds_list If the REGISTERs are not replied, then you mark them as inactive. Hash 0 means the the first entry in the group is used, as computed using the algorithm. Cheers, Daniel On 18/12/14 16:10, José Seabra wrote:

...

Hi Carsten

- Do you have the Dispatcher Activity detection turned on? Can you send me your config, so i can verify a few things?

My dispatcher configuration is: # ----- dispatcher params ----- modparam("dispatcher", "table_name", "dispatcher") modparam("dispatcher", "force_dst", 2) modparam("dispatcher", "flags", 3) modparam("dispatcher", "db_url", DBURL) modparam("dispatcher", "dst_avp", "$avp(s:dst)") modparam("dispatcher", "cnt_avp", "$avp(s:dsp_uri_count)") modparam("dispatcher", "grp_avp", "$avp(s:dsp_uri_grp)") modparam("dispatcher", "ds_ping_method", "OPTIONS") modparam("dispatcher", "ds_ping_from", "sip:sipcheck@10.0.20.102:5062 <http://sip:sipcheck@10.0.20.102:5062>") modparam("dispatcher", "ds_ping_interval", 10) modparam("dispatcher", "ds_probing_threshhold", 3) modparam("dispatcher", "ds_probing_mode", 2)

Do you do something like "ds_mark_dst()" in your failure route?

Hello Daniel, Thank you for your reply, Please check out the attachment with kamailio logs in mode debug

3, i didn't

find any errors, the only thingh that is confusing me is this line: /usr/local/sbin/kamailio[13690]: DEBUG: dispatcher

[dispatch.c:1745]:

ds_select_dst_limit(): alg hash [0] I don't know if this "ds_select_dst_limit(): alg hash [0]" is

related with

algorithm parameter in function ds_select_dst, but, if yes i cannot understand why it is 0 because I'm using algorithm 4. BR José Seabra 2014-12-18 11:35 GMT+00:00 Daniel-Constantin Mierla

<miconda(a)gmail.com <mailto:miconda@gmail.com>>:

> > Hello, > > I asked in the first email - do you get error messages in

syslog? If not,

> then you have to run with debug=3 and look at the log messages

to see if you

> get further hints. > > Cheers, > Daniel > > > On 18/12/14 12:29, José Seabra wrote: > > Hello Daniel, > Do you need more information from my kamailio settup, in order

to try

> understand why this issue happens? > Thank you > BR > José Seabra > > > 2014-12-16 12:16 GMT+00:00 José Seabra <joseseabra4(a)gmail.com

<mailto:joseseabra4@gmail.com>>:

>> >> Update: >> My last email has the wrong example, the correct code is: >> >> if(!ds_select_dst("9", "4")) >> { >> xlog("L_ERR", "Failed to select proxy - R=$ru ID=$ci\n"); >> sl_send_reply("503", "No proxy available, try again later"); >> exit; >> } >> >> I'm using algorithm 4. >> >> 2014-12-16 12:14 GMT+00:00 José Seabra <joseseabra4(a)gmail.com

<mailto:joseseabra4@gmail.com>>:

>>> >>> Hello Daniel, >>> >>> Yes it enter inside a condition. >>> >>> my code is: >>> >>> if(!ds_select_dst("9", "0")) >>> { >>> xlog("L_ERR", "Failed to select proxy - R=$ru ID=$ci\n"); >>> sl_send_reply("503", "No proxy available, try again later"); >>> exit; >>> } >>> and all sip registrers sent receives a sip reply 503 "No proxy >>> available, try again later" >>> >>> >>> BR >>> José Seabra >>> >>> 2014-12-16 12:06 GMT+00:00 Daniel-Constantin Mierla

<miconda(a)gmail.com <mailto:miconda@gmail.com>>:

role)

>>>> sending sip registrar, my stress test software is sending 50

registrations

>>>> per second, after 30 seconds and 1000 registers processed

the function

>>>> ds_select_dst (I'm using algorithm 4) returns null for all

registers sent

>>>> from my software, and all registrar sip servers are

available and in active

>>>> mode, if I reduce the software to send 20 registrar's per

second, the issue

>>>> only happens after 60 seconds and kamailio (sip load

balancer role) process

>>>> 4000 registrers, after this, function ds_select_dst starts

returning null

mailing list

>>>> sr-users(a)lists.sip-router.org

<mailto:sr-users@lists.sip-router.org>

>>>> http://lists.sip-router.org/cgi-bin/mailman/listinfo/sr-users >>>> >>>> >>>> -- >>>> Daniel-Constantin Mierla >>>> http://twitter.com/#!/miconda

<http://twitter.com/#%21/miconda> - http://www.linkedin.com/in/miconda

>>>> >>>> >>>> _______________________________________________ >>>> SIP Express Router (SER) and Kamailio (OpenSER) - sr-users

mailing list

>>>> sr-users(a)lists.sip-router.org

<mailto:sr-users@lists.sip-router.org>

>>>> http://lists.sip-router.org/cgi-bin/mailman/listinfo/sr-users >>>> >>> >>> >>> -- >>> Cumprimentos >>> José Seabra >> >> >> >> -- >> Cumprimentos >> José Seabra > > > > -- > Cumprimentos > José Seabra > > > -- > Daniel-Constantin Mierla > http://twitter.com/#!/miconda <http://twitter.com/#%21/miconda>

- http://www.linkedin.com/in/miconda

-- Cumprimentos José Seabra _______________________________________________ SIP Express Router (SER) and Kamailio (OpenSER) - sr-users

mailing list

sr-users(a)lists.sip-router.org <mailto:sr-users@lists.sip-router.org> http://lists.sip-router.org/cgi-bin/mailman/listinfo/sr-users

-- Carsten Bock CEO (Geschäftsführer) ng-voice GmbH Schomburgstr. 80 D-22767 Hamburg / Germany http://www.ng-voice.com mailto:carsten@ng-voice.com <mailto:carsten@ng-voice.com> Office +49 40 5247593-0 <tel:%2B49%2040%205247593-0> Fax +49 40 5247593-99 <tel:%2B49%2040%205247593-99> Sitz der Gesellschaft: Hamburg Registergericht: Amtsgericht Hamburg, HRB 120189 Geschäftsführer: Carsten Bock Ust-ID: DE279344284 Hier finden Sie unsere handelsrechtlichen Pflichtangaben: http://www.ng-voice.com/imprint/ _______________________________________________ SIP Express Router (SER) and Kamailio (OpenSER) - sr-users mailing list sr-users(a)lists.sip-router.org <mailto:sr-users@lists.sip-router.org> http://lists.sip-router.org/cgi-bin/mailman/listinfo/sr-users -- Cumprimentos José Seabra _______________________________________________ SIP Express Router (SER) and Kamailio (OpenSER) - sr-users mailing list sr-users(a)lists.sip-router.org http://lists.sip-router.org/cgi-bin/mailman/listinfo/sr-users

-- Daniel-Constantin Mierla http://twitter.com/#!/miconda - http://www.linkedin.com/in/miconda

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Carsten Bock
Daniel-Constantin Mierla
José Seabra