[asterisk-users] Load issues using AGI

[Jöran Vinzens]

Hi all,

we have just upgraded from Asterisk 11 to Asterisk 16.
After porting all the config to 16 we figured out some major load problems.

the majority running of our Asterisk instances is still having Asterisk 11
so we can compare load handling on both versions.
On the same hardware configuration we see load differences that Asterisk 16
takes four times the load as Asterisk 11 (on 11 we see load 0.5, on 16 we
see something around 2).

Our asterisk is only handling Calls, so there are no Subscription no
Registration etc.

After some testing we figured out if we eliminate AGI Apps from Dialplan we
reduce the load significantly.
At the moment we have 6 AGI calls for one single call. If we eliminate 3 of
them we reduce the load by half.
I also tried to have the AGI replaced by some fake AGI which returns
immediately to make sure it is not related to long running AGI Scripts but
this made no difference.
I tried to tweaked a bit manipulating the thread limitations in stasis.conf
but it had no significant effect on load.
Also I tried to "decline" all non AGI messages in stasis.conf. It seems it
has very little effect.

Does anyone have similar issues or a solution?
Is there anyone who calls AGI several times during call establishment?

any hin and help would be very much appreciated!

I am happy to share more config and information if it helps to find a
solution.


-- 

Jöran Vinzens - vinzens at sipgate.de


sipgate GmbH - Gladbacher Str. 74 - 40219 Düsseldorf
HRB Düsseldorf 39841 - Geschäftsführer: Thilo Salmon, Tim Mois
Steuernummer: 106/5724/7147, Umsatzsteuer-ID: DE219349391

www.sipgate.de - www.sipgate.co.uk
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