http://dacxzjk3kq5mmepbdd3ai2ifynlzxsnpl2cnkfhridqfywihrfftapid.onion/help/administration/backup_restore/backup_gitlab.md
It is possible to manually back up Redis .
Elasticsearch is an optional database for advanced search. It can improve search
in both source-code level, and user generated content in issues, merge requests, and discussions. The backup command does not back up Elasticsearch data.