OK I think I'll define a large value to be quiet! But 200000 is very large? They are the consequences of a too large value? In the logs I spotted a few lines: Tue Jul 15 20:46:41 2014 : Error: Discarding duplicate request from client localhost:2054 - ID: 0 due to unfinished request 442908 Tue Jul 15 21:06:54 2014 : Error: Discarding duplicate request from client localhost:2056 - ID: 0 due to unfinished request 443583 Tue Jul 15 21:06:55 2014 : Error: Discarding duplicate request from client localhost:32768 - ID: 156 due to unfinished request 443584 There is a relation with max_rquest or is something else? From: nicolas.chaigneau@capgemini.com To: freeradius-users@lists.freeradius.org Subject: RE: radiusd.conf max request ? Date: Fri, 18 Jul 2014 09:18:37 +0000 The traffic your server has to serve depends on your clients, only you can estimate that. As Alan said, you can set max_requests to an arbitrary large value, e.g. 200000. FreeRADIUS doesn’t consume much memory anyway, it probably won’t make any difference if it’s larger than necessary. De : freeradius-users-bounces+nicolas.chaigneau=capgemini.com@lists.freeradius.org [mailto:freeradius-users-bounces+nicolas.chaigneau=capgemini.com@lists.freeradius.org] De la part de Arnaud . Envoyé : vendredi 18 juillet 2014 10:56 À : FreeRadius users mailing list Objet : RE: radiusd.conf max request ? Thank you and where can we see the maximum total requests/s rate? Because it is difficult to see the maximum queries to a given order to determine the correct value now? best Regards From: nicolas.chaigneau@capgemini.com To: freeradius-users@lists.freeradius.org Subject: RE: radiusd.conf max request ? Date: Fri, 18 Jul 2014 08:29:51 +0000 A client is not limited to 256 ongoing requests. One client can (and will, if need be) use multiple source ports (for each source port, 256 requests can be ongoing), hence sending as many requests as it needs at a given time. This is not exact science. You need to do is evaluate the maximum total requests/s rate your server will have to serve. Multiply that by your max request time, and you have the max requests FreeRADIUS will be handling at a given time. BTW, the following comment in radiusd.conf is misleading, it should probably be updated : # max_requests: The maximum number of requests which the server keeps # track of. This should be 256 multiplied by the number of clients. # e.g. With 4 clients, this number should be 1024. De : freeradius-users-bounces+nicolas.chaigneau=capgemini.com@lists.freeradius.org [mailto:freeradius-users-bounces+nicolas.chaigneau=capgemini.com@lists.freeradius.org] De la part de Arnaud . Envoyé : vendredi 18 juillet 2014 09:36 À : FreeRadius users mailing list Objet : RE: radiusd.conf max request ? Hello So if I have 274 routers connected to Hotspot Radius server, I need to put in max-request: 70144 (256 queries * number of clients) Is this correct? best Regards
Date: Thu, 17 Jul 2014 16:43:45 -0400
From: aland@deployingradius.com
To: freeradius-users@lists.freeradius.org
Subject: Re: radiusd.conf max request ?
Arnaud . wrote:
Hello,
How should settle in "radiusd.conf" max_request_time, cleanup_delay and
max_requests?
The configuration files document what they're for, and what they do.
Currently I max_request_time = 30 cleanup_delay = 2 and max_requests =
50432
Is it set? If it is misconfigured what can happen?
Don't change max_request_time or cleanup_delay. Set max_requests to
some large value.
If you get it wrong, error messages will appear in the log. The
messages will tell you to increase max_request_time.
Alan DeKok.
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