I don't know what the threshold for starting back up is. Basically, the server races as hard as it can to get 60 seconds of content transcoded and if it gets that far ahead it stops transcoding (this is called "throttled" in the activity dashboard). Throttle buffer tells the system how far out to transcode before taking a break and waiting for a threshold to drop low enough to get going again. I don't think Plex would automatically create a RAM folder though and /transcode might be the default on Unraid installs? It's most likely a folder within the PMS folder structure on the install drive. My hands-on experience with Unraid is about 0 seconds (maybe less actually) but I do know it's Linux based. There's a good chance a GPU gets hotter then your CPU doing the same thing. They still have to grunt through a lot and put off a bunch of heat along the way. Nvidia GPU transcoding isn't so far ahead of Quick Sync that the GPU practically sits idle or anything. You'd only be moving a bunch of heat generation from the CPU to the GPU, which itself would get hot anyways. If your quick sync is handling the load, then tossing a GPU at the problem won't solve much. If your cooling solution is kinda middling, then toss something bigger at it instead of a discrete GPU. I suppose that depends on your cooling solution though. If it was trying to do that work through the regular CPU core and not through quick sync, it would surely be a hell of a lot hotter, like 80c or more. Is your server actually struggling with the load though? I saw your other comment you note it hits 50-60C temps, which is actually super good and not hot at all. tech support suuuucks even when you are getting paid for it. Maybe suss that out and see if they are doing something weird client end, but yeah. If the folks watching your 4k files that are transcoded down to anything else are not complaining about the image looking like garbage, because the HDR gets run over with a lava flow, then they surely aren't going to put up much effort to try to fix it. Don't let those 1080p watching street vermin borrow your 4k buddy ) This is a classic case of "Split your 4k and 1080p" into separate libraries. Just google "Nvidia patch" and you will find it. Since you have more than 3 users streaming from 4K source videos, get a Pascal or Turning GPU with at least 6 GB VRAM or else your users will experience issues when streaming from your server.ĭo note that you will need a patch to have more than 3 streams on consumer GPUs, no matter what size the VRAM is. Saying 4K streams is actually wrong in this case because as long as the source file is a 4K video, it's being decoded and encoded by the GPU so each active stream from a 4K video will require about 1.3 GB of VRAM even if it's being streamed at 480p. A 1650 with 4 GB VRAM can only fit 3 4K streams in memory and a 1660 with 6 GB can fit 5 4K streams in memory. Memory size on the GPU has more to say than the actual GPU performance as Pascal can do 329 FPS estimated and Turning can do 720 FPS estimated on 4K video, that's 11 and 24 4K 30 FPS video streams simultaneously. Select the 4K to 1080p preset from the drop down list and see how many transcode streams each GPU gives. I highly suggest you check out this chart before you decide on a GPU. Gets rid of hardware on my end, and I get new toys in return :) I also have some old hardware (appletv 4k, just found a chromecast ultra) that I'm going to give my worst offenders as well. Migrating 4k content to new library, not sharing that new library with folks. OR: Just tell users to suck it up and buy new hardware? (I don't really want to do this, also it would mean I have to be tech support for family, and I stopped doing that 20 years ago lol) I was thinking the 1650 super (turing) over the 1660 super mainly because I do not ever have more than 4-5 streams going at the same time, and its only a couple users that have older rokus that are 720p. I was thinking of offloading it with a 1650 super oc or a 1660 Super. I have a quicksync supported cpu (I5 9400) and I notice when I have multiple streams transcoding from 4k to 1080p or 1080p to 720p (depending on the device the user is using), my cpu is really heating up. Please go to the relevant subreddits and support forums, for example: Build help and build shares posts go in their respective megathreads No referral / affiliate links, personal voting / campaigning / funding, or selling posts Welcome to /r/Plex, a subreddit dedicated to Plex, the media server/client solution for enjoying your media! Plex Community Discord Rules Latest Regular Threads: No Stupid Q&A: Tool Tuesday: Build Help: Share Your Build: Submit Troubleshooting Post Files not showing up correctly?
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