HA for application and applicationset controller

[BarAshkenazi]

Is your feature request related to a problem?

Following closed issue:
#1246
This is still missing

Related helm chart

argo-cd

Describe the solution you'd like

Implement and describe high availability of the application-/applicationset controller.
https://argo-cd.readthedocs.io/en/stable/operator-manual/high_availability/#argocd-application-controller

Describe alternatives you've considered

No response

Additional context

No response

[pdrastil]

Hi @BarAshkenazi there is no HA support for application controller. As stated in values.yaml if you use more replicas it will shard the load between StatefulSets. The ApplicationSet controller supports leader election if you deploy more replicas via values.

[github-actions]

This issue has been automatically marked as stale because it has not had recent activity. It will be closed if no further activity occurs. Thank you for your contributions.