[RADIATOR] Performance logging

Hartmaier Alexander alexander.hartmaier at t-systems.at
Wed Mar 23 03:44:03 CDT 2016


Hi,
I'd like to add the time it took to craft a response for each request to
the logs.
In the reference manual I only found %E which is 'The elapsed time in
seconds since the packet was received. Can be used to log
processing time for proxied packets etc.'.
For this logging I'd need at least milli- or better microseconds.
Did I overlook a placeholder for those or do they currently not exist?

How do you guys monitor response time to prevent clients marking a
server as unresponsive because it takes it too long to send a response,
most of the time because of a backend like LDAP, SQL database or proxied
radius server being slow?

Thanks, Alex


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