amr.elsaeed at tedata.net
Tue Oct 16 11:25:06 CEST 2007
Linux version 2.4.21-51.EL (brewbuilder at ls20-bc2-14.build.redhat.com)
(gcc version 3.2.3 20030502 (Red Hat Linux 3.2.3-58))
Amr el-Saeed wrote:
> Dear Alan,
> Thanks for your reply
> first, i have about 200,000 users but there is some thin g in the
> configuration that makes the users connects and disconnects in less
> than 15 minutes , and that makes that huge number of requests
> (it's a temp. situation ) of-course.
> second i tried the configuration you sent.
> the server didn't start, so i guess it OS problem as you said but how
> to fix it ??
> can you help me with that ??
> thanks again
> Alan DeKok wrote:
>> Amr el-Saeed wrote:
>>> the config. was in the first email
>>> I have this configuration
>> ... thread stuff. There's usually a LOT more configuration than that.
>>> start_servers = 20
>>> max_servers = 400
>>> min_spare_servers = 30
>>> max_spare_servers = 60
>> I would suggest setting:
>> start_servers = 400
>> max_servers = 400
>> min_spare_servers = 0
>> max_spare_servers = 400
>> If the server doesn't start with those parameters, it's because your
>> OS doesn't let you start that many threads. In that case, go fix the
>>> i need 10,000 per second
>> I doubt that very much. That's a billion packets per day. Or, it's
>> 500K users logged in all of the time, each of whom is online for only 10
>> There are large ISP's with 10+ million users who see only hundreds of
>> requests per second. You're talking about 100 times that, which is very
>> Please explain why you need such a HUGE number of requests. It may
>> help solve the problem you're seeing. Do you have a billion users in
>> your ISP? Or do you have fewer users than that? How many users do you
>> expect to see online at once? How many minutes are they online for at a
>> Also, most databases can't handle 10k writes per second, (some can't
>> handle 10k *reads* per second). So it's very doubtful that you'll be
>> able to do anything with 10k packets/s, even if the RADIUS server itself
>> can handle them.
>> I'm not aware of a single RADIUS installation on the planet that needs
>> 10K packets per second. And even the ones that handle hundreds to
>> thousands of packets per second split those packets among multiple
>> machines. i.e. If you have a 10M users in your ISP, you can't afford to
>> have everyone go offline because your ONLY RADIUS server died. You will
>> need 4-5 RADIUS servers for service stability, at least.
>> The result is that any one RADIUS machine will normally NEVER handle
>> more than a few hundred packets per second. If you need more than that,
>> your network is designed wrong.
>> Alan DeKok.
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