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+-- Forum: Support (https://forum.jellyfin.org/f-support)
+--- Forum: Troubleshooting (https://forum.jellyfin.org/f-troubleshooting)
+--- Thread: CPU (/t-cpu)
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RE: CPU - TheDreadPirate - 2024-10-17
Go to the path you mounted /config for the jellyfin container. There will be a log folder with a log named log_20241017.log. Copy and paste the contents of that into pastebin.com.
RE: CPU - thbkk - 2024-10-21
Hello, here is the protocol. This time it happened while watching a movie. The CPU spike and the delay of the movie started at 11pm (23:00).
It could be that the fast forward option of the movie was used around that time. Actually, it is a direct play. So I thought the fast forward shouldn't have any effect.
Here the logs: Log
The movie was running via jellyfin but with external Player VLC
RE: CPU - TheDreadPirate - 2024-10-21
Jellyfin is just sending the file. Not transcoding or remuxing. No trickplay or chapter image extraction. The only thing I see is the webhook notifications. Try disabling that plugin and see if that changes anything.
RE: CPU - thbkk - 2024-10-21
(Yesterday, 12:31 PM)TheDreadPirate Wrote: Jellyfin is just sending the file. Not transcoding or remuxing. No trickplay or chapter image extraction. The only thing I see is the webhook notifications. Try disabling that plugin and see if that changes anything.
Look row 19-27. There are warnings and this matches with the CPU PEAKS at this time
RE: CPU - TheDreadPirate - 2024-10-21
I see that, but I don't see how sending a file unmodified would do that. The only thing that makes sense is if you have other stuff going on that would consume memory bandwidth or network bandwidth or disk IO.
Without transcoding, but the CPU is still peaking, indicates that some data path is saturated and the CPU is struggling to move data around fast enough.
RE: CPU - thbkk - 2024-10-21
Ok, let me investigate it. But the peaks only appear when using jellyfin. I will switch the arr stack to a mini server with more power.
What do you recommend for Jellyfin. Jellyfin in a separated LXC proxmox or all in one VM with docker container?
RE: CPU - TheDreadPirate - 2024-10-21
Is the current docker instance in a VM? Or Docker on the host OS?
Order of preference.
1) Direct install on bare metal OS
2) Docker install on bare metal OS
3) Direct install in LXC
And a distant last
4) Docker install in VM
With the limited performance of the RPi4 you really need to minimize overhead that virtualization causes. Docker and LXCs minimize a lot of that since they use the host kernel while VMs use their own kernel with virtualized hardware, introducing a lot of overhead.