[SR-Users] Testing dialog module (and acc with dialog cdrs)

[Daniel-Constantin Mierla]

Hello,

are you using accounting to generate CDRs with dialog module (records in
acc_cdrs table)? Or only for getting the event records in the acc table?

Cheers,
Daniel

On 13.10.22 23:19, mayamatakeshi wrote:
>
>
> On Mon, Oct 3, 2022 at 11:41 AM mayamatakeshi
> <mayamatakeshi at gmail.com> wrote:
>
>
>
>     On Mon, Sep 26, 2022 at 8:32 PM Daniel-Constantin Mierla
>     <miconda at gmail.com> wrote:
>
>         Hello,
>
>         as I am not a user of dialog variables, I am turning to
>         community to ask
>         for help testing the current master branch with configurations
>         that make
>         use of dialog variables and acc dialog-based cdr generation.
>
>         With a few reports of issues related to dialog modules and
>         unexpected
>         crashes, I looked over the code and noticed that the access of
>         the value
>         for dialog variables was not protected, making them vulnerable of
>         invalid memory access in case of the variable was updated by
>         another
>         process or dialog was terminated.
>
>         I introduced a couple of new functions to try to cover
>         different use
>         cases of getting the dlg variable values, dialog management
>         code was not
>         affected, but given that these commits need to be backported
>         to stable
>         branch (5.6), I want to get proper feedback from community
>         that things
>         work fine.
>
>         A previous attempt of a simpler fix was not enough, having
>         side effects
>         to acc module for dialog-based cdr generation, because it was
>         keeping
>         referenced to many dlg variables at the same time.
>
>         In short, it would be appreciated any feedback on testing
>         dialog and acc
>         with dialog-based cdr generation using git master branch.
>
>
>     I have started 4 load test environments today with latest
>     commit 6f400a8074fe60916867596431ca26dff00435d1.
>     I usually leave a commit load test running for 2 months before
>     consider it ready for production release.
>     I will report any crash/problem.
>
>
> After a few hours of load test, all 4 load test environments start to
> log memory allocation problems:
>
> [root at lab002107-flip-server ~]$ grep memory
> /var/log/kamailio/kamailio.log |head
> 2022-10-13T01:36:10.429809+09:00 lab002107-flip-server
> /usr/local/src/git/kamailio-master/src/kamailio[3286370]: ERROR:
> rtpengine [rtpengine.c:2721]: rtpp_function_call(): out of memory -
> bencode failed
> 2022-10-13T01:36:12.923609+09:00 lab002107-flip-server
> /usr/local/src/git/kamailio-master/src/kamailio[3286370]: ERROR:
> rtpengine [rtpengine.c:2721]: rtpp_function_call(): out of memory -
> bencode failed
> 2022-10-13T01:36:12.961677+09:00 lab002107-flip-server
> /usr/local/src/git/kamailio-master/src/kamailio[3286370]: ERROR: acc
> [acc_extra.c:234]: extra2strar(): could not allocate private memory
> from pkg pool
> 2022-10-13T01:36:14.983281+09:00 lab002107-flip-server
> /usr/local/src/git/kamailio-master/src/kamailio[3286370]: ERROR:
> rtpengine [rtpengine.c:2721]: rtpp_function_call(): out of memory -
> bencode failed
> 2022-10-13T01:36:14.983537+09:00 lab002107-flip-server
> /usr/local/src/git/kamailio-master/src/kamailio[3286370]: ERROR: acc
> [acc_extra.c:234]: extra2strar(): could not allocate private memory
> from pkg pool
> 2022-10-13T01:36:14.983665+09:00 lab002107-flip-server
> /usr/local/src/git/kamailio-master/src/kamailio[3286370]: ERROR: acc
> [acc_extra.c:234]: extra2strar(): could not allocate private memory
> from pkg pool
> 2022-10-13T01:36:20.861558+09:00 lab002107-flip-server
> /usr/local/src/git/kamailio-master/src/kamailio[3286370]: ERROR:
> rtpengine [rtpengine.c:2721]: rtpp_function_call(): out of memory -
> bencode failed
> 2022-10-13T01:36:20.864388+09:00 lab002107-flip-server
> /usr/local/src/git/kamailio-master/src/kamailio[3286370]: ERROR: acc
> [acc_extra.c:234]: extra2strar(): could not allocate private memory
> from pkg pool
> 2022-10-13T01:36:20.878469+09:00 lab002107-flip-server
> /usr/local/src/git/kamailio-master/src/kamailio[3286370]: ERROR: acc
> [acc_extra.c:234]: extra2strar(): could not allocate private memory
> from pkg pool
> 2022-10-13T01:36:23.174159+09:00 lab002107-flip-server
> /usr/local/src/git/kamailio-master/src/kamailio[3286370]: ERROR:
> rtpengine [rtpengine.c:2721]: rtpp_function_call(): out of memory -
> bencode failed 
>
>
> I reverted 2 of the load test envs to previous kamailio 5.6 commit
> 61e86a1f502388ffd4dce6e52811ba640337c813 and restarted the load tests,
> then again, kamailio master commit
> 6f400a8074fe60916867596431ca26dff00435d1 started to write the above
> logs but this doesn't happen with 5.6.
>
>
>
-- 
Daniel-Constantin Mierla -- www.asipto.com
www.twitter.com/miconda -- www.linkedin.com/in/miconda
Kamailio Advanced Training - Online
  Nov 7-10, 2022 (Europe Timezone)
  * https://www.asipto.com/sw/kamailio-advanced-training-online/
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