(RADIATOR) performance question

[julio.prada at bt.es]

Hi all,

we noticed that the performance bottleneck was due to the database in most
of the cases(Postgre, mysql, oracle...) and tunning the db could help to
improve it.

Another thing is the radpwtst behavior. As we saw the radpwtst launches, for
example, 1000 requests, one after other. Whether it doesn't obtain answer
for the first request the next will not be sent and so on.

That not will simulate the NASes behavior because they are not waiting for
response between AAA requests. 

So a helpful tool could be a radpwtst able to send requests without waiting
time between requests (-nowait option).

regards,
jules



-----Mensaje original-----
De: radiator [mailto:radiator at osiris-it.nl]
Enviado el: viernes 18 de mayo de 2001 11:00
Para: radiator at open.com.au
Asunto: (RADIATOR) performance question


Hi,

on my previous question I was told to take a look at the database design
(indexes) to speed up performance.

Now what if I have just configured the radiator with the basic examples
from the goodies directory ?

In that case I have :

- an empty accounting table
- a subscribers table with just one entry

When now the radpwtst -iterations 1000 is run I guess I should see
numbers that should represent the best performance there is to achieve
because the accounting table contains NO indexes which is the fastest
for insertion of records (you don't need to update the indexes when a
record is inserted) and the subscribers table only contains 1 record so
that should not be difficult to lookup.

I found that on a Sparc Ultra-II 300  with postgresql 7.1 about 12
requests a second can be handled which is rather low. The documentation
chapter 24 says that a P-III-500 with Radhat linux does 70 requests a
second, so I guess that a Sparc-Ultra-II-300 should be able to get near
that number too.

Who would share some thoughts ?

Thanks,


Feite Brekeveld

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