Further discussion about throughput and any questions you may have

This issue is to continue the conversation from https://gitlab.com/gitlab-org/gitlab-ce/issues/52404. Here's a doc to support this discussion. We will use the doc to capture some of the take aways from here. https://docs.google.com/document/d/1OgDxVSiCary2lZNFXxmmP7DZtOX-G28pUXEgFLbdxBk/edit#

cc/ @gitlab-com/backend-managers @ClemMakesApps @andr3 @timzallmann