update upgrade guide with backup, db specific commands, config changes, ... (!4068) · 合并请求 · 王权利 / large · 极狐GitLab

王权利请求将github/fork/bbodenmiller/update-upgrade-guide合并到5-2-stable 5月 25, 2013

Created by: bbodenmiller

...check, and restore

Closes #4047