FreeRADIUS can't make progress under certain load

Alan T DeKok aland at
Sat Sep 10 19:40:33 CEST 2011

rihad wrote:
> Interesting. max_servers was 50 before today, I ramped it up to 100
> after today's accident.  A total of 24 CPU cores here.

  Oh, come on.  24 CPU cores should allow the server to handle 100's of
1000's of packets per second.

  You've done something to break the server, and are trying *very* hard
to avoid finding out what that is.

> CPU: Intel(R) Xeon(R) CPU           X5650  @ 2.67GHz (2661.34-MHz
> K8-class CPU)
> The disks are a fast SAS 15K RAID, w/ 12G of RAM.

  FreeRADIUS doesn't really access the disk, so that doesn't matter.

  Alan DeKok.

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