[SR-Users] xlog issue

Soltanici Ilie iliesh at mail.ru
Tue Dec 4 10:40:06 CET 2018


Actually, async Syslog option was the initial option which I tried - it wasn't working properly so I changed to a synchronous mode in the hope that it will work better, but unfortunately it didn't.

>Daniel-Constantin Mierla <miconda at gmail.com>:
>try with async syslogging option in
>      rsyslog config: add a - in front of the file name, like:
>      -/var/log/kamailio/kamailio.log
>See if the results are better.
>On 02.12.18 16:14, Soltanici Ilie
>      wrote:
>>I have a strange situation by using xlog module. I don't know
>>        for what reason I'm not receiving all logs generated by
>>        kamailio.
>>This is the configuration which I'm using in kamailio.cfg:
>>log_prefix="{$rm ($mt) | Seq=$cs | Source IP=$si ($proto) | Call
>>        ID=$ci} "
>># ----- xlog -----
>>modparam("xlog", "buf_size", 8192)
>>modparam("xlog", "long_format", 0)
>>modparam("xlog", "force_color", 1)
>>modparam("xlog", "log_colors", "L_ERR=cr;L_WARN=px,L_INFO=px")
>>This is rsyslog configuration file:
>>local0.*             /var/log/kamailio/kamailio.log
>>Kamailio is running under kamailio user, permission for the log
>>        file are as shown below:
>>-rwxrwxr-x 1 kamailio kamailio 252885132 Dec  2 14:51
>>        /var/log/kamailio/kamailio.log
>>In request_route block this is the first line:
>>xlog("L_INFO","[START ROUTING]-(Source IP=$si:$sp/Destination
>>        IP=$Ri:$Rp)\n");
>>The problem is that not every request is logged in the log-file.
>>        For example, some "INVITES" requests I can find in the log file,
>>        but some of them - I cannot, even that in sngrep I see the
>>        request and the call is successfully processed by kamailio.
>>        Also, for some requests i can see only partial data, not full
>>        call-flow as it supposed to be (for ex. i see only BYE requests,
>>        or ACK response instead of full call flow). 
>>Does someone have the same issue? If you don't - how are you
>>        dealing with kamailio log files? I'm thinking to send them to
>>        the central ELK stack, but if I have such problems by saving
>>        them locally - I don't see any reason to send them elsewhere.
>>I may think that the problem could be in rsyslog itself, but how
>>        can I troubleshoot that?
>>The traffic on the server is not very high - 30-50 concurrent
>>        calls. As a storage i'm using an SSD disk and xfs filesystem.
>>        Load on the disk - according to iostat/iotop - is minimum. 
>>OS: CentOS Linux 7 (Core), Kamailio: 5.2.0 (x86_64/linux) 535e13
>>Thank You.
>>Kamailio (SER) - Users Mailing List
>>sr-users at lists.kamailio.org
>Daniel-Constantin Mierla -- www.asipto.com
>www.twitter.com/miconda -- www.linkedin.com/in/miconda
>Kamailio World Conference -- www.kamailioworld.com
>Kamailio Advanced Training, Nov 12-14, 2018, in Berlin -- www.asipto.com
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