<!--IssueSummary start--> <details> <summary> Everyone can contribute. [Help move this issue forward](https://handbook.gitlab.com/handbook/marketing/developer-relations/contributor-success/community-contributors-workflows/#contributor-links) while earning points, leveling up and collecting rewards. </summary> - [Close this issue](https://contributors.gitlab.com/manage-issue?action=close&projectId=278964&issueIid=296931) </details> <!--IssueSummary end--> From https://gitlab.com/gitlab-org/gitlab/-/issues/216442, we added multi-threaded uploads for fog-aws, but no such thing exists for fog-google. We may need to implement this ourselves, using `gsutil` as an inspiration. See https://github.com/googleapis/google-cloud-ruby/issues/8147 for more details.