parallel-fs-ops.template.yml (2.8 KB) Let’s talk about a scaling problem that becomes painfully obvious once a Discourse site accumulates a large upload library. What used to take minutes for a chown command to run across a huge uploads directory now takes seconds! Background Discourse rebuilds c…

Nice. I guess that’s why S3 and CDN are things.

Yup. But not everyone wants to add that complexity. I kind of am using S3/R2/B2 via using JuiceFS. That way it mounts locally like a real file system, and no worries. And then Cloudflare caches the assets that way automagicallly.

Should this instead be a PR that changes the templates doing the chown?

Yes please! I’ve moved this out of Wiki and back to Support > Self-hosting , since it’s not really a pattern we want to encourage everyone to handle manually. If there’s a safe performance improvement we can make in the upstream template, let’s do that! I don’t think we’d want to override the syste…

Let’s try a simpler version first. This doesn’t run anything in parallel, but it does skip the chown for files which already have the correct permissions. It’s a pattern that we’re already using elsewhere in discourse_docker: PERF: Skip chown for f…

Just saw this and saw the PR. Definitely a nice compromise but huge perf gain for sure. It’s always the little things… :wink:

重建百万级上传数据耗时太长？试试添加这个模板！

支持安装

NateDhaliwal (Nate Dhaliwal) 2026年八月17日 23:02 2

不错。我想这就是为什么 S3 和 CDN 存在的原因吧。

話題		回覆	觀看
Make rebuild with many uploads more efficient? Support	3	593	2020年三月13日
Stuck @ CHOWN for /var/www/discourse Self-hosting	15	2910	2018年五月31日
Skipping an step in discourse rebuild Support	1	499	2020年九月19日
Slow Discourse Rebuild on a VM with slow disks Self-hosting	7	1203	2021年二月12日
Этот файл слишком большой Self-hosting	29	651	2026年五月4日

重建百万级上传数据耗时太长？试试添加这个模板！

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