https://tools.pingdom.com/#!/cOKg2F/https://gitlab.com/gitla...
For example, take a look at the drop in response time in the middle of last month: http://stats.pingdom.com/81vpf8jyr1h9/1902794/2016/07
We've focused on speeding up some more common pages (Issues, MRs, etc.), but still a ways to go for the rest of the application!
Ceph should make a big difference once we get GitLab.com running on it in a few months, the reason the commits page specifically is so slow is because our current infrastructure is bottlenecked by filesystem-heavy interactions (e.g. getting all the recent git commits for a repository).
Ceph issues are here: https://gitlab.com/gitlab-com/infrastructure/issues?scope=al...
GitLab.com is too slow. We're working on it here: https://gitlab.com/gitlab-com/infrastructure/issues/59