May 23, 20188 yr Hey, my Plex container is not using full CPU when transcoding or optimizing. I can only transcode ~25Mbps HEVC to 10Mbps x264. More than that requires a lot of buffering. It uses ~15-35% of the CPU. Same while using HW and SW transcoding. I have a i5 8600T processor, it has ~11100 passmarks. A Ryzen 1700X with ~14600 passmarks can transcode 85Mbps HEVC (SW) without a problem. However the Ryzen does not run Plex in a docker, it runs Plex in a VM on Proxmox.
May 24, 20188 yr 12 hours ago, kakmoster said: it runs Plex in a VM on Proxmox Do you run VMs on the i5? Have you excluded unRaid (and therefore docker) from executing on certain cores?
May 24, 20188 yr Author 32 minutes ago, Squid said: Do you run VMs on the i5? Have you excluded unRaid (and therefore docker) from executing on certain cores? I don't run any VMs on this machine. Running dockers only. Cadvisor, couchpotato, r(u)torrent, Plex, qbittorrent, sonarr and taitulli. Edited May 24, 20188 yr by kakmoster
May 24, 20188 yr Author 5 hours ago, Squid said: Do you run VMs on the i5? Have you excluded unRaid (and therefore docker) from executing on certain cores? It seems that when Plex is transcoding a video with .pgs subtitles it only uses 1-2 cores or something like that. I tried transcoding a movie with .srt subtitles and now I can transcode a 86Mbps 4k HEVC to 12Mbps 1080p x264 file without any problem! EDIT: 122,7 Mbps 4k HEVC to 12Mbps 1080p x264 works great with 95-98% cpu utilization! 916Mbps file was out of the question! Edited May 24, 20188 yr by kakmoster
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