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Tip: mount Jellyfin transcode directory to hard drive! (lemmy.dbzer0.com)

submitted 6 months ago by [email protected] to c/selfhosted

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I noticed my home servers SSD running out of space and it ended up being my Jellyfin Docker container which wasn't clearing the directory for transcodes in /var/lib/jellyfin/transcodes correctly.

I simply created a new directory on my media hard drive and bind mounted the above mentioned directory to it. Now Jellyfin got over 1 TB of free space to theoretically clutter. To prevent this I simply created a cronjob to delete old files in case Jellyfin isn't.

@daily /usr/bin/find /path/to/transcodes -mtime +1 -delete

Easy!

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[–] [email protected] 36 points 6 months ago (3 children)

I transcode to ramdisk.

[–] [email protected] 3 points 6 months ago (1 children)

I have like a dozen people using my Jellyfin and sometimes 3-4 people watch something at the same time which results in a lot of transcoding data. At the moment my transcoding directory (which is cleaned every 24 hours) is almost 8 GB big. I don't have the RAM to do this.

[–] [email protected] 9 points 6 months ago (2 children)

Starting with 10.9 you can enable segment deletion so files are cleaned up while still transcoding.

[–] [email protected] 3 points 6 months ago

Im so looking forward to this. When i tried to use tmpfs / ramdisk, the transcoding would simply stop because there was no space left.

[–] [email protected] 1 points 6 months ago (1 children)

Version 10.9 is not even released, right?

[–] [email protected] 3 points 6 months ago

Nope, release target is mid-April currently.

[–] LunchEnjoyer 3 points 6 months ago (2 children)

How is this done? If you don't mind sharing 🤗

[–] [email protected] 5 points 6 months ago

tmpfs is the filesystem you are looking for. You can mount it like any other filesystem in /etc/fstab.

tmpfs /path/to/transcode/dir tmpfs defaults 0 0

[–] [email protected] 4 points 6 months ago* (last edited 6 months ago)

Can just point it to /dev/shm as a transcoding folder, for a quick and dirty way.

Otherwise you'd mount a tmpfs disk.

[–] agent_flounder 1 points 6 months ago (1 children)

I will have to try that once my ram upgrade gets here.

[–] [email protected] 3 points 6 months ago (1 children)

You can restrict the size of the ramdisk so you do not end up killing processes. A large amount of ram is not mandatory.

[–] agent_flounder 1 points 6 months ago

Good to know. Well I have 16G now that should give me plenty to spare.