Speed is essential for a tool like GitLab that people use intensely. We've made great progress in having better monitoring to see what the cause is. For 9.1 we've scheduled many more performance improvements https://gitlab.com/gitlab-org/gitlab-ce/issues?scope=all&utf... than we were able to complete in 9.0 https://gitlab.com/gitlab-org/gitlab-ce/issues?scope=all&utf...