I am logging in real-time in synchronous mode to a custom log file (using quite a few xlog statements in a routing block) on one of our servers as well, and I am seeing fragmentation in the log messages under high traffic. Timestamps and log messages all skewered and mangled together.

On 11/6/06, Daniel-Constantin Mierla <daniel@voice-system.ro> wrote:

I guess it is related to your syslog daemon rather than to xlog
functions. Is your syslog configured asynchronous?

http://voice-system.ro/docs/ser-syslog/ar01s06.html

Cheers,
Daniel

On 11/06/06 05:05, Christian Schlatter wrote:
> I recently did some performance testing with openser 1.1 and stumbled
> over a rather strange thing. The xlog command from the xlog module
> seems to cause a huge performance penalty.
>
> I have a rather complex config with many routing blocks and mysql
> queries with which I can achieve up to 100 calls per second
> (authenticated INVITEs) per openser instance. As soon as I add *one*
> xlog statement to the config the cps rate goes down to 25, and the
> average SIP message response time goes up from <10ms to >200ms.
>
> Has anyone else observed this behavior or could this issue be caused
> by a misconfiguration?
>
> thanks,
> Christian
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