2025-05-28, 10:22 AM
(This post was last modified: 2025-05-28, 11:18 AM by AlienBulls. Edited 1 time in total.)
Hi community,
Yesterday, when I checked my traffic usage on my ISP modem, I noticed that I had around 3.6 TB upload and 2 TB download. Of course, the download traffic includes my YouTube watching, web browsing, Steam, etc.
Currently, I have 8 friends who access my Jellyfin server via Tailscale, but only 2-3 of them actually stream content actively, and I’ve never seen more than 3 people streaming simultaneously. My Lenovo M710q Tiny handles everything well with its 32 GB RAM and hardware transcoding on the Intel i7 7400T. Jellyfin is installed directly on an Ubuntu 24.04 server and my library is about 4 TB.
Yesterday evening, I installed vnstat to track traffic a bit more closely. This morning, I noticed that overnight roughly 600-700 MB was uploaded every hour. I then saw that one client (a Fire TV Stick) from a friend was still connected, even though they weren’t streaming at the time. I’ve seen the same behavior with another friend who uses an Android TV. I suspect the app just isn’t closing properly in the background. After I blocked the Jellyfin user on the friend’s Fire TV Stick, the upload traffic dropped.
Unfortunately, I haven’t found anything similar on Google or in the forums, so I asked ChatGPT what could cause high traffic even when nothing is being streamed. ChatGPT suggested it might be due to screensaver images (which I doubt) or poor image caching (for example, if the Fire TV Stick doesn’t have enough storage). I asked my friend, and since he only has Jellyfin and Netflix installed, I don’t think it’s a storage issue.
The traffic doesn’t really bother me, but it seems unnecessary, and I would like to avoid it if possible.
Has anyone else experienced something similar or know what might be causing this?
Edit: In Jellyfin dashboard I see his client and a TV show at minute 7:46. It's paused.
Yesterday, when I checked my traffic usage on my ISP modem, I noticed that I had around 3.6 TB upload and 2 TB download. Of course, the download traffic includes my YouTube watching, web browsing, Steam, etc.
Currently, I have 8 friends who access my Jellyfin server via Tailscale, but only 2-3 of them actually stream content actively, and I’ve never seen more than 3 people streaming simultaneously. My Lenovo M710q Tiny handles everything well with its 32 GB RAM and hardware transcoding on the Intel i7 7400T. Jellyfin is installed directly on an Ubuntu 24.04 server and my library is about 4 TB.
Yesterday evening, I installed vnstat to track traffic a bit more closely. This morning, I noticed that overnight roughly 600-700 MB was uploaded every hour. I then saw that one client (a Fire TV Stick) from a friend was still connected, even though they weren’t streaming at the time. I’ve seen the same behavior with another friend who uses an Android TV. I suspect the app just isn’t closing properly in the background. After I blocked the Jellyfin user on the friend’s Fire TV Stick, the upload traffic dropped.
Unfortunately, I haven’t found anything similar on Google or in the forums, so I asked ChatGPT what could cause high traffic even when nothing is being streamed. ChatGPT suggested it might be due to screensaver images (which I doubt) or poor image caching (for example, if the Fire TV Stick doesn’t have enough storage). I asked my friend, and since he only has Jellyfin and Netflix installed, I don’t think it’s a storage issue.
The traffic doesn’t really bother me, but it seems unnecessary, and I would like to avoid it if possible.
Has anyone else experienced something similar or know what might be causing this?
Edit: In Jellyfin dashboard I see his client and a TV show at minute 7:46. It's paused.