Accounting-Response dependence

Alan Buxey A.L.M.Buxey at
Wed Dec 14 00:21:13 CET 2011


> I have 4 gateways bombing thousands of packets/s at my freeradius server. I
> have it configured such that "default" writes packets in a detail file.
> "decoupled_accounting" site configuration tells it to read packets from
> detail file at load_factor = 100 (tests showed this value works best for me)
> then stored in mysql through a python script run via rlm_python (I run a
> very complex analysis on the H323AvGwRxdCdn and H323FinalXlatedCdn
> attributes). All is well when there's no load but at certain times it
> happens that one of the tables must be locked for 2 or 3 seconds (snapshot
> and purge on a memory table) and packets wait to be written because of the
> lock. Freeradius starts to spit warnings about packets hung in queue for
> more than x seconds then all hell breaks loose because the gateways
> retransmit these packets and it's all downhill from there. What can I do to
> make freeradius send an ok or something to the gateways as soon as the
> packets land in the detail file because once in the detail file I know for
> sure the packets will get into the database?

have you tried the buffered_sql virtual-server instead?


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