Hello, I just migrated to R2 and everything went perfectly. All images have the S3 CDN URL link. However, I noticed an issue: avatars are taking a long time to load. On average, it takes about 3 to 4 seconds, whether I’m clicking on a user’s avatar or looking inside a post. Is this expected?

don’t clear your browser or cloudflare caches anymore - when you run rake avatars:refresh for that many users, it doesn’t happen instantly. but rather it puts thousands of jobs into sidekiq to process in the background, which can take several hours depending on your server’s cpu. sorry about that, i…

Ok, I think something else is going on. I have nothing in my queues. But if I click on any user’s avatar, this shows up in ‘tail -f log/production.log’: Sent file /var/www/discourse/tmp/avatar_proxy/3689d91eb5e1013beef831c585b5e62edeeecbd6.jpeg (0.2ms)

[图片] David_Ghost: /var/www/discourse/tmp/avatar_proxy/3689d91eb5e1013beef831c585b5e62edeeecbd6.jpeg (0.2ms) oh wow ok. this is likely a smoking gun and points to a different issue. avatar_proxy in the logs usually means discourse is refusing to serve the avatar directly from cloudflare R2 CD…

[图片] Lilly: pick a username with a slow loading avatar u = User.find_by_username("the_selected_username") u.user_avatar.custom_upload.url the url i get shows the s3 cdn URL, and i can open the image in the browser. I will pass the S3 for now, as i dont really need it at this time. and i am…

I’ve finished further testing and can confirm the issue is not related to R2. The same behavior (slow-loading avatars on posts and when clicking on a username) persists even with a properly configured AWS S3. It is also not a firewall issue, as “ufw status” confirms that the firewall is currently di…

Do you have both site and s3 CDNs configured?

Yes, i’m using both. The bucket is connected with cloudfront for the s3 cdn url, and the same for discourse cdn url For the r2 tests, i was not using discourse cdn url.

[图片] David_Ghost: Yes, i’m using both. Except not on the one that doesn’t work? [图片] David_Ghost: For the r2 tests, i was not using discourse cdn url. And the R2 with no discourse CDN is where you’re having trouble? I won’t pretend that I understand exactly what your issue is or just…

[图片] pfaffman: Again, I don’t promise that I understand and haven’t looked at the code, but a guess is that these are getting served by the Discourse CDN, and Discourse then counts on subsequent requests to pull from the CDN. I think this explains why it doesn’t work (or works slowly) on the R2 …

Do they not have Discourse CDNs? If they don’t, I’m wrong. If they do, then it may be that not having a Discourse CDN (when you have an s3 bucket?) causes this issue. But it seems weird that avatars would behave differently with S3 than without it.

头像迁移到 S3 兼容的 R2 后加载时间过长

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David_Ghost 2026 年7 月 4 日 07:00 25

你好，

今天还是没有任何进展。但我刚刚发现 /admin/users 页面有错误。可能是有什么东西在对我进行速率限制？有时会出现 504 错误：

话题		回复	浏览量
Problems with avatar uploads due to S3 changes Support	21	3668	2018 年10 月 17 日
How are avatars stored and accessed? Support	6	2059	2016 年11 月 18 日
Slowness in loading Avatars on `meta.discourse.org` Bug	7	1625	2015 年12 月 16 日
User cannot use custom avatar with Amazon S3 Bug	41	6806	2015 年3 月 21 日
Avatars lost after restore. How to get them back? Support	59	5810	2020 年5 月 24 日

头像迁移到 S3 兼容的 R2 后加载时间过长

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