https://bugzilla.redhat.com/show_bug.cgi?id=1975716

 
Describe the issue:
In OCP 4.x documentation we would need to have a guide for scaling, performance and capacity guide for cluster logging so that it helps the customer to size the Logging cluster.

Suggestions for improvement:
Creating a similar Guide as cluster monitoring would help.
https://docs.openshift.com/container-platform/4.6/scalability_and_performance/scaling-cluster-monitoring-operator.html