Log says "duplicate requests", CPU maxing out

Alan DeKok aland at deployingradius.com
Tue Mar 10 20:19:02 CET 2009


Chhaya, Harshal wrote:
> For example, the 'radius.log' file contains dozens of files
> saying:
> Error: Discarding duplicate request from client test-net
> port NNNN - ID: XX due to unfinished request YYY

  So... find out what's blocking the server, and why.

> The config uses a flat file with uernames and cleartext passwords.
> There is no SQL database in the backend.

  What else is in the configuration?

> Also, when we have 40+ clients attempting to connect to RADIUS, 
> the CPU utilization reaches 100% and the processor becomes
> unresponsive.
> 
> The 'maxserver' parameter in radiusd.conf is set to 32 (as it
> was for the older version). I am upping it to 64 to see if 
> that solves the CPU problem.

  That won't make a difference if one of the modules is locked.

  Find out which module is blocking the server, and why.

  Alan DeKok.



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