恢复后头像丢失。如何找回？

[Iceman]

关于这一系列事件的后续：

Improving Instance Performance (Megatopics, Database Size and Extreme Load)

Hi Discourse Community! Recently I have been trying to improve the performance of my Discourse installation and clean up a little since my site has been growing exponentially lately. I have identified two issues, searched about them here but I don’t see a clear answer for some specifics, so I hope that this doesn’t represent much of a bother to anyone. The first issue I have is the DB Size, which is pretty big. I’m running a 4GB Mem/80GB Disk instance on Digital Ocean and the DB is choking t…

https://meta.discourse.org/t/postgresql-12-update/151236/193

我尝试了“在不同 Discourse 实例上进行备份和还原”的方法，现在却遇到了这个问题。我试遍了所有已知的方法（如 Sidekiq 任务、Rebake 等）……是否有任何线索可能说明导致此问题的原因？仅供我尝试找出一些线索。

（有一件事我必须承认，经过这一切，我已经从“嗯，我大概懂一点”进阶到了 PostgreSQL 博士、Redis 博士…… 只需要再掌握 Ruby 和本地开发环境，我就能为社区做些贡献了 :P）