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#1 tkreidy OFFLINE  

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Posted 31 March 2020 - 01:49 PM

I have a lot of questions I need some help on.  My current dedicated server:

 

i3-6320, Asus Z170-E, 16 GB G-Skill DDR4 2400, Quatro P2000, WD Black 5 TB, WD Red 10 TB, WD Red 8 TB- Windows 10 Pro (No SSD)

 

I have (13) users, around 2,500 movies (2/3 DVD- 1/3 BR), 14,000 songs, few hundred TV Shows

 

I have a 1 Gbs Fios to my house- both up and down.

 

I am having problems with simultaneous streaming.  A few weeks ago I could get at least 6 streams (1 local and 5 remote) going without any issues.  Maybe more, I never really tried to see how many I could get at once.  This maybe caused by Covid-19 and everyone clogging the internet.  Not sure.

I just want to make the system work to the best it can be, so:

 

1. Should I install a 1 TB NVME SSD to help the system run more smoothly?  Will it vastly help?

2. Are there Windows services I can shut down to eliminate anything I don't need to run?  I really don't want to change OS.

3. Are there any settings in the Nvidia Control Panel that will boost the use of the GPU vs. the CPU for the Emby Server?

4. Would more RAM help?

5. Change settings on the Emby Server to improve overall performance?  I have hardware acceleration set to the Quatro. 

 

If the CPU is maxed out, I am getting ready to retire my daily driver computer and could install the CPU/MoBo/RAM in the Server.  That system is:

 

i7-3820, Asrock X79 Extreme, 32 GB DDR 3 1600, and Reuse the Quatro P2000, hard drives, and add a SSD?

 

The I3-6320 has a benchmark of 6047

The i7-3820 has a benchmark of 8990

 

Or, take the new rig I built in December to be my replacement server until I completely took a left turn on energy efficiency and built:

 

i9-9900K, Asus Maximus Hero XI Z390, 32 GB DDR 4 3200, Sabrent Rocket 1 TB M.2 NVME, MSI RTX 2060 Super

 

And use the above for my server?  It has a benchmark of 20215. 

 

I look forward to getting some answers.

Thank you.

 

@Doofus

@daedalus

@ginjaninja

@maegibbons

@arrbee99

@cayars



#2 cayars OFFLINE  

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Posted 31 March 2020 - 02:35 PM

The first question I'd ask is when these people are playing videos, how are they being played?  Are they Direct Playing, Direct Streaming or being Transcoded?

 

I too and many others have noticed the internet much slower than normal.  Many more people using the internet on smaller "pipes" working from home then when working at companies.  Many more people not doing work and just "surfing" the Internet as well.  So I'm sure this plays into it a bit as well.



#3 arrbee99 OFFLINE  

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Posted 31 March 2020 - 03:56 PM

There used to be something about subtitles and burning them in and that using quite a bit of power. But not sure if thats still a Emby thing, and your users would have to suddenly acquire a taste for such things.



#4 cayars OFFLINE  

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Posted 01 April 2020 - 01:28 AM

@softworkz can you comment on the state of subtitles?



#5 Luke OFFLINE  

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Posted 01 April 2020 - 01:37 AM

We support burning in subtitles with hardware transcoding.



#6 cayars OFFLINE  

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Posted 01 April 2020 - 01:53 AM

Yea, I was just wondering if softworkz could comment on the subtitles we support without transcoding vs those that need transcoding and any options/gotchas or container issues with them.  I could then put that info in a knowledge base article if appropriate.



#7 softworkz OFFLINE  

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Posted 01 April 2020 - 02:59 AM

Yea, I was just wondering if softworkz could comment on the subtitles we support without transcoding vs those that need transcoding and any options/gotchas or container issues with them.  I could then put that info in a knowledge base article if appropriate.

 

We can burn in all kinds of subtitles during transcoding.

 

Which subtitle formats are supported without transcoding depend on the client. I think it would be great to have some kind of "support matrix" for this, but I got only partial knowledge in that area...



#8 cayars OFFLINE  

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Posted 01 April 2020 - 03:12 AM

Dang client hardware always mucking things up.  LOL

 

I could see putting a matrix together a tough little project that would end up with a lot of notes attached. Example, a video that direct plays fine on it's own but when subs are activated cause everything to transcode due to the original format of the file.  In this case the admin would be far better off using the built in features of Emby Server to download a text based subtitle for videos that doesn't require any transcoding.

 

Emby has tons of built in features to solve lots of problems if used. :)

 

It's probably best to leave this one go as Emby Server will handle the subtitles the best it can either direct or with transcoding if needed.  If users follow the current guides and download text based subs for their videos this becomes a mute point. :)



#9 ginjaninja OFFLINE  

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Posted 01 April 2020 - 04:02 AM

I look forward to getting some answers.

 

in terms of current performance, I would review the load on the subsystems you are aware emby uses (Connectivity, CPU, RAM, DISK,)  and see if any of them are 'high'.

It should be possible to identify if one or more of them are under high load. if there is a subsystem you dont know how to evaluate, then ask away , this could prove  useful to learn how others monitor capacity.

 

 

in terms of why the load/performance seems to have changed, i dont have any bright ideas.

i wonder if any of the reporting plugins provide insight into the historical server usage? maybe then can trawl past logs so some data may still be available.

 

it may be worth describing the testing method, symptoms in a bit more detail (what is slow, how is it slow, under what conditions), it may help others to advise on the likely subsystems under load.

 

as a general rule, i would expect a fast ssd to perform significantly better for general browsing (due to latency) but have less of an impact on viewing performance where magnetic can keep up with the sequential read/writes of transcoding/serving (to a point).

Back of a fag packet (never analysed myself) 10 streams reading at 10Mbps (avg bitrate of my content) and writing at 4Mbps (average bitrate of my client) = 140Mbps  (<20MB/s)- magnetic can keep up with that.

Someone who understands the trancoding process better might offer a better rule of thumb.

still you dont need to wonder about these things, windows provides lots of metrics to review capacity/load and you can see for yourself.



#10 tkreidy OFFLINE  

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Posted 01 April 2020 - 04:45 PM

Thank you all for responding and contributing ideas that may solve my issue.  I actually have the "Allow subtitle extraction on the fly" unchecked in the Transcoding settings.   Not sure if this keeps clients from doing it anyway.  In Handbrake I burn in forced subtitles only.  Last night several family members were able to watch Ford v Ferrari without any problems (three simultaneous streams).  Earlier yesterday- late afternoon- I ran a few Speed Test on my connection speed and was getting around half of what I am paying for.  I think it is everyone home board streaming movies and games that is causing the speed drop.

 

I will continue to monitor the system and see if everything improves.

 

Thank you all again.



#11 tkreidy OFFLINE  

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Posted 01 April 2020 - 04:48 PM

The first question I'd ask is when these people are playing videos, how are they being played?  Are they Direct Playing, Direct Streaming or being Transcoded?

 

I too and many others have noticed the internet much slower than normal.  Many more people using the internet on smaller "pipes" working from home then when working at companies.  Many more people not doing work and just "surfing" the Internet as well.  So I'm sure this plays into it a bit as well.

 

Most clients are direct streaming.  I have noticed sometimes one of the clients will be listed as transcoding and the reason was the bit rates didn't match, or something like that.



#12 cayars OFFLINE  

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Posted 01 April 2020 - 05:15 PM

Sounds like you have a good handle on things.






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