If you are using MySQL as a database, remove `reaping_frequency` from you database.yml to prevent crashes. [Relevant commit](https://gitlab.com/gitlab-org/gitlab-ce/commit/5163a8fcb9cfd63435560fda00173b76df2ccc93).
#### HTTPS? Disable gzip
If you are using HTTPS, disable gzip as in [this commit](https://gitlab.com/gitlab-org/gitlab-ce/commit/563fec734912d81cd7caea6fa8ec2b397fb72a9b) to prevent BREACH attacks.
#### Turn on asset compression
To improve performance, enable gzip asset compression as seen [in this commit](https://gitlab.com/gitlab-org/gitlab-ce/commit/8af94ed75505f0253823b9b2d44320fecea5b5fb).