[SR-Users] Server requirements estimation

[Marat Gareev]

I see. Thanks for the advice, Daniel.

Marat

ср, 17 мар. 2021 г. в 10:28, Daniel-Constantin Mierla <miconda at gmail.com>:

> Hello,
>
> there is no generic magic formula, it depends a lot on the configuration
> file, what modules are used, if the system tracks transactions or dialogs,
> how many records are cached in memory (e.g, lcr or dialplan),
> encryption/decryptionneeds, as well as how many blocking/long time
> operations are done (e.g., http query, db query, ...).
>
> Dimensioning the memory can be done by starting the Kamailio, then get the
> stats and see how much is the startup overhead, then you can push a set of
> users or calls (e.g., 10000 registrations), get again the stats and see how
> much was added, then you should be able to estimate how much is needed
> (e.g., per registration). But even here you have to work with a rough
> estimate, because different UAs have specific behaviour, like larger header
> values (e.g., for a registration Kamailio stores the callid, Contact URI,
> Path headers, ...).
>
> Cheers,
> Daniel
> On 09.03.21 12:30, Marat Gareev wrote:
>
> Hello!
>
> I'm configuring Kamailio proxy and trying to find instructions or
> advises for choosing the following options:
> *Host specific*
>
>    - Number of cores
>    - RAM size
>
> *Kamailio specific*
>
>    - Number of children to fork for the UDP interfaces
>    - Shared memory size
>
> The proxy will not connect to the database, only route INVITEs using the
> dispatcher. The expected load is 70K requests per hour.
>
> Are there any formulas for calculating the parameters?
>
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> --
> Daniel-Constantin Mierla -- www.asipto.comwww.twitter.com/miconda -- www.linkedin.com/in/miconda
> Funding: https://www.paypal.me/dcmierla
>
>
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