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Lower variance


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Sanjay Singh
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Join Date: Sep 2016
Old 03-09-2021 , 03:05   Lower variance
Reply With Quote #1

How can I get low variance?
I am getting var around ~0.0020

How servers are getting ~0.0003

I tried installing this kernel
https://github.com/MikkelDK/GameServerKernel

But it Didn't lowered my variance , may be I am missing something ?

Please help
Thank you.
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ThePwnt
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Join Date: Feb 2009
Location: Denmark
Old 03-09-2021 , 03:39   Re: Lower variance
Reply With Quote #2

Depends on your CPU.

The kernel can't give you low variance =)

So you need to install this:
Code:
apt-get install tuned -y && tuned-adm profile latency-performance
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Sanjay Singh
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Join Date: Sep 2016
Old 03-09-2021 , 03:56   Re: Lower variance
Reply With Quote #3

Quote:
Originally Posted by ThePwnt View Post
Depends on your CPU.

The kernel can't give you low variance =)

So you need to install this:
Code:
apt-get install tuned -y && tuned-adm profile latency-performance
I tried it but still same var
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ThePwnt
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Old 03-09-2021 , 03:59   Re: Lower variance
Reply With Quote #4

Quote:
Originally Posted by Sanjay Singh View Post
I tried it but still same var
Let me guess, you are using GoogleCloud/AWS or DO? - Since you didn't post what CPU you're using.

You need a better CPU before it will work.

You need between 3Ghz to 5Ghz.

Last edited by ThePwnt; 03-09-2021 at 03:59.
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Sanjay Singh
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Old 03-09-2021 , 04:01   Re: Lower variance
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Quote:
Originally Posted by ThePwnt View Post
Let me guess, you are using GoogleCloud/AWS or DO? - Since you didn't post what CPU you're using.

You need a better CPU before it will work.

You need between 3Ghz to 5Ghz.
Yes I use aws and it do have 3.6Ghz and I can confirm server running in aws get low var I have checked some of those servers.
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ThePwnt
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Old 03-09-2021 , 04:04   Re: Lower variance
Reply With Quote #6

Quote:
Originally Posted by Sanjay Singh View Post
Yes I use aws and it do have 3.6Ghz and I can confirm server running in aws get low var I have checked some of those servers.
Well, I can confirm, it will not help you. Because of limited GHz. (If you don't get low sv/var = my kernel/rates will not help with it)

So you need to try build-your-own-kernel.

Last edited by ThePwnt; 03-09-2021 at 04:05.
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Sanjay Singh
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Old 03-09-2021 , 04:07   Re: Lower variance
Reply With Quote #7

Quote:
Originally Posted by ThePwnt View Post
Well, I can confirm, it will not help you. Because of limited GHz. (If you don't get low sv/var = my kernel/rates will not help with it)

So you need to try build-your-own-kernel.
I don't find there is issue with kernel but I guess I missing something else which is also need to be done as I tried before long and it worked for me I got low var perfectly.
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ThePwnt
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Old 03-09-2021 , 04:09   Re: Lower variance
Reply With Quote #8

Quote:
Originally Posted by Sanjay Singh View Post
I don't find there is issue with kernel but I guess I missing something else which is also need to be done as I tried before long and it worked for me I got low var perfectly.
Hmm. maybe something is missing.

I can't say what it is. Since I don't use AWS/DO/Google-Cloud.

Last edited by ThePwnt; 03-09-2021 at 04:09.
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TomL.
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Join Date: Oct 2017
Location: Germany
Old 03-09-2021 , 09:35   Re: Lower variance
Reply With Quote #9

Use a dedicated server with a decent cpu and you will have a much better performance and all options for optimization.
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raj kaul
Senior Member
Join Date: Mar 2018
Location: www.lotgaming.xyz
Old 03-09-2021 , 10:15   Re: Lower variance
Reply With Quote #10

you canít get LOW VAR on shared/cloud hosted vps , buy a dedicated machine if you want low var and better performance
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