[SR-Users] Dispatcher algorithm 11 possible priority drifting

[Sergio Charrua]

I noticed the exact same behaviour with my implementation, even though the
priority and rweight are different.
until now, i'm ignoring the "issue". But if there is a fix, I would like to
know too.

*Sérgio Charrua*


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On Thu, Dec 10, 2020 at 10:20 AM Володимир Іванець <volodyaivanets at gmail.com>
wrote:

> Hello all!
>
> We are running Kamailio version 5.3.3 with 16 small Asterisk servers.
> Kamailio uses a dispatcher module to distribute calls. Algorithm #11 is
> selected. All destinations are configured with priority set to 50 and
> attribute to rweight=50.
>
> We noticed that one server constantly receives more calls than others. I
> run a few tests. I was sending 1000 calls to the system. 4 per second. All
> servers except one were getting around 60 calls while the last one - around
> 100.
>
> I then noticed that the server which receives most calls is always last in
> the "kamcmd dispatcher.list" command output. I then changed the order in
> the dispatcher DB table and repeat the test. The other server that now was
> last was getting the most calls.
>
> Does anyone else use algorithm #11 and finds the same thing? Is there
> something additional that I can provide to help with the investigation?
>
> Thanks!
>
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