How to update prometheus/exporters
This adds a how to section on updating prometheus and its exporters, including process information to avoid loss of data.
Closes: https://gitlab.com/gitlab-com/infrastructure/issues/813
Do not update/delete: Banner broadcast message test data
Do not update/delete: Notification broadcast message test data
This adds a how to section on updating prometheus and its exporters, including process information to avoid loss of data.
Closes: https://gitlab.com/gitlab-com/infrastructure/issues/813