discourse是通过1panel的容器部署的，并设置了反向代理进行访问。网站主要用于个人知识管理使用，没有开放注册，只有我一人在线。vps性能是10 vCore (ARM64)，16 GB RAM，512 GB NVMe。 discourse日志中频繁出现以下类似错误警告： DistributedMutex(“memoize_lock_post##2f7d40f44a4b0fa66a711ca8f2ff9278fed9fa72”): held for too long, expected max: 1 secs, took an extra 1 secs activesuppo…

This is probably not caused directly by the reverse proxy. For API-created posts, Discourse uses DistributedMemoizer around PostsController#create to avoid duplicate API post creation. That memoizer uses a Redis-backed DistributedMutex with a very short validity time of 1 second. The warning means …

谢谢您的回复。我这个网站主要用于个人知识管理使用，没有开放注册，只有我一人在线。vps性能是10 vCore (ARM64)，16 GB RAM，512 GB NVMe。我觉得性能上应该没问题了。 1、API 请求是否成功，并且只创建了一个帖子？是的，API发帖成功，并且只创建一个帖子。 2、从客户端角度看，API 请求耗时多久？这个应该怎么查询？我不太了解。 3、在 API 发帖期间，CPU、内存、交换空间或磁盘 I/O 是否已饱和？我查看了一下监控记录，API发帖时，以上资源使用未饱和 4、Redis 和 Postgres 是否位于同一容器/主机内，且运行正常？是…

刚才我把ai插件关掉，通过api发帖，日志中没有出现警告。再开启ai插件，重新通过api发帖，日志中也没有出现警告。我再观察测试一下。

Thanks, that extra detail is useful. Since you are running on ARM64, that may be relevant. Discourse’s ARM/aarch64 container support has historically had some special handling compared with x86_64, so I would mention that clearly in the topic title or first post. The AI plugin result is also inter…

目前测试来看，警告日志的出现与是否启用了discourse ai无关

Thanks for testing that. In that case I would not treat the AI plugin as the likely cause. It may just have been a coincidence, or the disable/re-enable cycle may have changed some transient state temporarily. The most useful next thing to capture is probably the request timing and the pattern of …

今日没有进行发帖，日志中也出现了一次警告 DistributedMutex("memoize_lock_post##59c6dac7790176d15fddc068dea5f734b254f591"): held for too long, expected max: 1 secs, took an extra 1 secs activesupport-8.0.5/lib/active_support/broadcast_logger.rb:218:in 'block in ActiveSupport::BroadcastLogger#dispatch' activesupport-8…

以下是两张图片是连续日志，出现这个警告比较频繁了~:rofl: [image] [image]

日志中频繁出现DistributedMutex错误警告

支持

sniper756 2026 年5 月 14 日 12:11 6

我关闭一段时间 discourse ai 看看是否还出现这个警告

话题		回复	浏览量
Discourse not using much RAM Self-hosting server-resources	31	1662	2021 年8 月 8 日
Due to extreme load, this is temporarily being shown to everyone... when it's not really the case Self-hosting server-resources	19	1762	2023 年7 月 21 日
Discourse installation has been getting slower and slower and slower Self-hosting server-resources	37	1802	2023 年5 月 15 日
Load average ×2 since last upgrade Bug activitypub	6	203	2026 年2 月 26 日
Job exception: DistributedMutex::MaximumAttemptsExceeded Support	3	466	2023 年6 月 1 日

日志中频繁出现DistributedMutex错误警告

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