Thumbnail Generation Does Not Trigger Automatically When Uploading New Images

Immich Version: 1.136 (But also occurred in prior versions)
Library: About 8TB
Server: Unraid
Running in: Docker
Docker Image: openvino


I have 2 instances of immich running in 2 different docker containers. One for work media and one for personal.

When I upload new media, say via the browser to my personal instance, it uploads fine, finds duplicates, etc., but upon upload, it doesn't Auto generate the thumbnail. I can see from the browser console that it tries to load it with a 404. Running thumbnail generation manually works fine and adds it no problem.

On my work instance (that has far, far, far less content), thumbnails are instantly generated after every upload, no need to manually run anything.

Nothing in the logs to indicate what might be going on (yes its set to verbose), no image gen failures, etc., and as I said, running it manually works.

Not a huge serious problem, but unexpected and thought I might ask if anyone has any ideas? Stuck image in queue maybe? Redis issue?
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