FreeRadius is 3 time quicker when running in full debug mode ( -X option)

Vincent Laborie vlaborie at
Wed Sep 9 10:59:45 CEST 2009

We are using debian lenny that I guess has a reasonable threading
with the standard free-radius package ( version 2.0.4)
is any body aware of this kind of issue with Lenny and this version of

The fact that free radius man page contain the following sentence :
"The  server  normally  runs with multiple threads and/or processes,
which can lower its response time to requests."
Seems to indicate that this is a know fact on some system
Is any body has this kind of issue ?

Any way I will continue to investigate.
Looking forward to your valuable feedback,

On Wed, Sep 9, 2009 at 10:23 AM, Alan DeKok<aland at> wrote:
> Vincent Laborie wrote:
>> It seems that the difference of performance is due to multi thread feature.
>> When running freeradius with -s option ( single mode ) I have similar
>> performance than in debug mode.
>  That's just bizarre.
>> So new questions are:
>> How can I take benefits of  freeradius multi thread option and keeping
>> good response time ?
>  Use an OS that has a reasonable threading implementation.
>> According to the man page "Some systems have issues with threading" is
>> there any system configuration that can help ?
>  Perhaps you could tell us what OS you're using.
>> And finally if I decide to stick to single mode how can I modify the
>> /et/init.d/freeradius to use the -s option ?
>  Use a text editor?
>  Alan DeKok.
> -
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