GitLab.com latency monitoring page
Part of https://gitlab.com/gitlab-com/infrastructure/issues/947
Needs federated monitoring https://gitlab.com/gitlab-com/infrastructure/issues/760
The idea is to have one public dashboard to show why GitLab.com is slow, it needs to have:
- Latency of 99% th percentile of requests (OKR goal)
- Number of user sessions
- Number of unicorn processes
- CI builds
- Transaction timings
- HTTP Queue timings
- Things that are now on http://monitor.gitlab.net/dashboard/db/gitlab-status