CPU utilization (Stefano PASCALI)

Arnaud . arn0 at live.fr
Fri Aug 1 17:37:04 CEST 2014

Hello Rui, 

I can contact you about radwtmp (as you mention below). Because I use mysql but there is also radutmp / radwtmp archive and that I would either disable it or empty it. Is this possible? how 

thank you

Date: Fri, 1 Aug 2014 11:51:41 +0100
Subject: CPU utilization (Stefano PASCALI)
From: ruyrybeyro at gmail.com
To: freeradius-users at lists.freeradius.org

Another probable source of cpu/ I/O load is radwtmp and similar files, as they grow and are not rotated per the default configuration. I dont use them, I rely on the (My)SQL data.


Date: Fri, 1 Aug 2014 10:57:48 +0200

From: Stefano PASCALI <stefano.pascali at unisalento.it>

To: FreeRadius users mailing list

        <freeradius-users at lists.freeradius.org>

Subject: CPU utilization

Message-ID: <488B69B7-9992-4940-B9D0-04A1DD6CD698 at unisalento.it>

Content-Type: text/plain; charset=us-ascii

Hi FR folks,

I got a strange cpu load on my FR installation. Sometimes CPU utilization rises to 100% and FR service doesn't respond anymore to the clients. I got two virtual servers enabled: default and inner-tunnel and their configurations are the provided ones by the FR installation.

Configuration details in the following:

OS: Ubuntu server 14.04

Deamon: freeradius 2.1.12+dfsg-1.2ubuntu8 amd64

2 vcpu


Users on freeradius MySQL (5.x) DB installed on a different virtual host on the same hosting server.

Hosting server (Ubuntu server 14.04 + Xen 4.3) HP PL G5

CPU: 2 x Intel(R) Xeon(R) CPU E7330 @ 2.40GHz - cpu cores 4; [total cores 2x4 = 8]


Do you have any ideas to solve my issue?

Hope someone help me.





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