Support totaling length of multiple redis lists/regex for Redis List scaler

[madyarini]

Proposal

Hi, I'm trying to scale sidekiq using KEDA
I have different queues handled by a type of sidekiq worker pod

queue:work1
queue:work2

how do i able to say, if the list of jobs in both queues averaging 20, trigger the scaledobject ?
if i do this

triggers:
- listName: queue:work1
   listLength: 10
- listName: queue:work2
   listLength: 10

this means if either average is 10, trigger the scaled object right? its not an aggregation of the average of both queues
it would be great if the scaler supports regex to allow this use case

Use-Case

Scale Sidekiq pro workers using KEDA that's managing different queues

Is this a feature you are interested in implementing yourself?

No

Anything else?

No response

[JorTurFer]

I think that this PR could help with your requirement as it allows performing mathematic operations over different scalers. WDYT?

[madyarini]

which PR are u referring to?

[JorTurFer]

**** I didn't paste the link, my fault :/
I meant this PR

[madyarini]

yes that can help thanks looking forward to it