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  1. I've been running Emby in a VM on Hyper-V for a couple of years now. Recently I've been trying to resolve some disk activity/latency issues that have been causing delays while loading and moving around in Emby from various clients. I think I've finally found my solution and wanted to share what I learned on the off chance it might help someone else. Long story short, move the cache/metadata/transcode-temp directory to a separate virtual hard disk (vhd). I noticed that when an Emby client would take a long time to load or start to timeout, disk activity on the server would jump noticeably. I also found that running the disk cleanup task would cause the same kind of usage. While monitoring the disk performance in task manager and resource monitor I would see that disk activity would max out, the disk queue length would be around .90 - 1.5 and average response time for the disk would hit 500ms. All this even though the disk throughput was only being reported at about 500kbps. I had two vhdx's on the VM, a Fixed size Disk for C: and another Fixed size disk for D: which is where shows are recorded. The first thing I did to try and improve the situation was reconfigure my Hyper-V's host storage as a Raid 10 array instead of Raid 5. This helped a little but not significantly and the issues were still present. I kept monitoring disk usage and noticed that the cache directory was being accessed rather frequently so I decided to move the Emby cache to a different disk. I added a third 10gb Fixed size disk and changed the cache path. This helped a little but I would still see performance issues when the Library.db was being accessed heavily. After looking into if I could move the Library.db to a different directory (and finding out it would be rather difficult) I noticed that the Metadata directory would show up frequently so I decided to move that instead. I moved the metadata location to the same drive as the cache and after refreshing the metadata in my libraries I finally noticed a significant improvement in performance. I also decided to move the transcoding-temp directory to the third drive as well just to cover all my bases. I originally did not think that moving the cache/metadata directories to a different virtual disk would make a difference since all the VHD's were on the same physical volume. But doing just that appears to have resolved my issue and now I regret not doing it sooner, I've been running performance tests since making the changes and so far I have not been able to re-produce my original performance issues with a variety of different clients including FireTV/Web/Theater. My Emby clients are much more responsive and not having to sit around and wait while browsing my music library is refreshing. And if I never see that VolleyError timeout message again I'll be very happy. I'm going to keep a close eye on my disk utilization and performance for the next few days but wanted to share what I was experiencing and what I did in case anyone else runs into the same issue. Also, on a side note, I did try enabling Quality of Service Management on the Virtual Disks but it ended up making the situation worse. I'm also not sure if this solution applies to only Hyper-V or also VMware. I'm not running VMware ESXi at home so I can't say for certain. But if you are running Emby in VMware and are having a similar issue then maybe this will help you as well.
  2. Hi Everyone, sorry for the long-winded post: I have approximately, 5 remote users that may be transcoding at any given time, plus 3 possible direct streams in my house, then mobile phone/tablet usage, maybe a couple at a time max (but rare, at least for now) I know there are a lot of posts where people are asking what kind of server to use, and if their server is good enough, my question(s) are different. First I will give an idea of my previous servers so you can see where I have been, so we can understand better, where I would like to go: 1.) I started with a Drobo FS (for Media) with single drive redundancy, and a Dell Poweredge R610 running a Plex server (this worked well for a few years), but I did need to rebuild Plex now and again, and setup all my coverart/other metadata a few times. (not fun). 2.) I moved to a Drobo 5N (with a cache drive) I initially tried the Plex server built into the Drobo 5N, but the server was too slow, so I went back to the Dell and used the Drobo just for the Media 3.) I lost all the Drobo files because a second drive failed during a rebuild. rip. So I moved to a Synology DS1815+ (maxed the RAM on it, 2 drive redundancy) I upgraded my Plex server to an HP DL360 G6 with 128 GB RAM and 2x Xeon 5650 (got it for cheap through my work) Eventually I lost all my metadata (not media) on Plex because a SAS drive failed. 4.) I created an iSCSI LUN on my Synology and put Plex on that (so I don't have to worry about losing the VMs/MetaData), tried that for a while, but it was too slow. (At this point I decided to switch from Plex to Emby for features as well) 5.) So FINALLY (sorry for the long post again) I ended up with my DL360 running ESXi, with an Emby VM, and a seperate torrent VM (always behind VPN). Basiclly, The DL360 isn't working anymore, it is currently in my garage, and during the summer, it sounds like a jet taking off, and the fans die often. The only place I can move it is the basement, and that doesn't fit there (it's GIANT), so I need to build a PC, and I figured I would futureproof a bit, and move away from enterprise to avoid the expensive replacement equipment. (Fans, and SAS drives). I am not sure if I should continue on the ESXi route (compatibility with non-enterprise parts seems to be annoying, and the VMWare matrix is a nightmare, at least to me), or maybe run something like FreeNAS or UnRAID (Emby Container). I don't want to go the UnRAID/FreeNAS route, only to find out that I have taken a step-back in performance (like the Drobo and the Synology server application was). However, I do like the idea of getting four M.2 500GB NVMe drives running the OS, so I never have to worry again about losing my VMs(or containers)/metadata. OR just install a linux server OS, then run all my servers as containers on that. I see that I can set a GPU to passthrough to an Emby container in UnRAID, and get GPU transcoding. So that seems like a perk. So, I am curious what everyone thinks about potential hardware setup, and what my best option may be for the OS to take advantage of said hardware. I am putting this post in hardware, because the hardware I am buying is going to change depending on what OS(s) can take advantage of it (give best performance). When it's all said and done, I'll want a full replacement for the Emby Server (currently ESXi VM) and my torrent server (ESXi VM) and a couple other servers (Home assistant, Minecraft, whatever else I am playing with). With the best possible performance. How much RAM do you think? (like 32 or 64 DDR4 will be way faster than the 128GB that I hardly use currently) Intel CPU (probably, right?), Nvdia Video card seems to be a good choice (around 2070 looks fine)...? RAID on SSD or NVMe, at the OS level? Is this just going ridiculously overkill? Can anyone help with some ideas please? I would really appreciate any insight to help me make some decisions before it starts getting too hot in the garage. Thank you!
  3. good afternoon, I am looking to enable hardware transcoding on my new emby server, as my current server just isnt cutting it anymore. I read over the Wiki but it appears to be a little outdated. So I figure id just ask here. 1. Is a nvidia GTX 660TI an adequate card for hardware transcoding? I need a minimum of 2 simultaneous streams. Its a Kepler GPU so it is capable of NVENC. but how many simultaneous streams can it handle? Also, what about a GTX730? id prefer to use the 730 if possible as its a single slot card and would use less space and power. 2. What is the proper procedure to enable hardware transcoding with an nvidia card? I have read the Wiki, but it seems like it might be outdated. If not please correct me. Thank You
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