I hope the upgrade helps. Certainly the upcoming GitLab 8.5 will contain a lot of speedups <a href="https:&#x2F;&#x2F;gitlab.com&#x2F;gitlab-com&#x2F;operations&#x2F;issues&#x2F;42" rel="nofollow">https:&#x2F;&#x2F;gitlab.com&#x2F;gitlab-com&#x2F;operations&#x2F;issues&#x2F;42</a> as long as you are not memory constrained.