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Status Delivered
Workspace App Connect
Created by Guest
Created on Oct 24, 2022

Tolerance and node-selector support for ACE IS CR

In order to optimise license costs, today ACE IS (Integration Server) pods on CP4I on Openshift run on dedicated worker nodes so that the license cost amounts to the worker node capacity.


We have implemented this using node-selectors on the openshift namespace where ACE pods run. But the issue is other non-ACE pods continue to be scheduled on ACE worker nodes reducing the total available CPUs for ACE.


As per REDHAT the only way to prevent this is to have taints on the worker nodes and then set a corresponding toleration for the taint + node-selector label on the application which in this case amounts to the ACE IS CR/ACE operator is what we think.


These are some examples on how these configs can be applied on application objects just to give an idea:

https://docs.openshift.com/container-platform/4.10/monitoring/configuring-the-monitoring-stack.html#moving-monitoring-components-to-different-nodes_configuring-the-monitoring-stack

https://docs.openshift.com/container-platform/4.10/monitoring/configuring-the-monitoring-stack.html#assigning-tolerations-to-monitoring-components_configuring-the-monitoring-stack

Idea priority Urgent