We are using the below to scale runner on azure AKS
https://support.atlassian.com/bitbucket-cloud/docs/autoscaler-for-runners-on-kubernetes/
1. min CPU and memory for runner: 1000m and 2 gb ram
2. the 5 linux nodes online each with 4 cpu and 8 gb ram
when we increase the number of runners as below:
parameters: