Strange problems in large proxy setup
aland at deployingradius.com
Mon Feb 26 10:56:47 CET 2007
Kostas Zorbadelos wrote:
> we are talking about a setup that services tens of thousands of
> requests (hundreds per second maybe). If I am not mistaking radiusd -X
> will run freeradius in
> single threaded mode. In our normal mode of operation freeradius has
> 65 threads servicing requests. Won't this affect service?
Perhaps. A normal machine should be able to handle thousands of
requests per second without DB accesses. With LDAP queries, you're
limited by the speed of the LDAP database, so single-threaded mode may
> This is indeed a very difficult situation to debug. The problem
> behaviour does not appear in a low volume load. I believe it has to do
> with the increased load (and the fact that the home FUNK radius delays
> the servicing of requests I think).
> I will try to give as much debugging input as possible and I will also
> review the server's code.
I would also suggest running a test server under valgrind. Don't give
it real traffic, but have it use as much of the real config as possible.
Maybe there's an error that valgrind will catch.
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