We're switching to Rugged (https://github.com/gitlabhq/gitlab_git#move-from-grit-to-rugged https://github.com/gitlabhq/gitlab_git#move-from-grit-to-rug...) and

We're switching to Rugged (https://github.com/gitlabhq/gitlab_git#move-from-grit-to-rugged https://github.com/gitlabhq/gitlab_git#move-from-grit-to-rug...) and it does perform better. But a current GitLab instance should not be sluggish, even with grit.