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Re: [Vserver] Re: Container Test Campaign [message #4342 is a reply to message #4333]

Thu, 06 July 2006 10:44

dev
Messages: 1693
Registered: September 2005
Location: Moscow

Senior Member

Gerrit,

>>>>I assuming you are doing your tests on the same system (i.e. same
>>>>compiler/libs/whatever else), and you do not change that system over
>>>>time (i.e. you do not upgrade gcc on it in between the tests).
>>>
>>>
>>>I hope! :)
>>
>>All binaries should be built statically to work the same way inside host/guest or
>>you need to make sure that you have exactly the same versions of glibc and other
>>system libraries. At least glibc can affect perforamnce very much :/
>
>
> Ick - no one builds binaries statically in the real world. And,
> when you build binaries statically, you lose all ability to fix
> security problems in base libraries by doing an update of that library.
> Instead, all applications need to be rebuilt.
>
> Performance tests should reflect real end user usage - not contrived
> situations that make a particular solution look better or worse.
> If glibc can affect performance, that should be demonstrated in the
> real performance results - it is part of the impact of the solution and
> may need an additional solution or discussion.
What I tried to say is that performance results done in different
environments are not comparable so have no much meaning. I don't want us
to waste our time digging in why one environment is a bif faster or slower than another.
I hope you don't want too.

Now, to have the same environment there are at least 2 ways:
- make static binaries (not that good, but easiest way)
- have exactly the same packages in host/VPS for all test cases.

BTW, I also prefer 2nd way, but it is harder.

Thanks,
Kirill

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[Message index]

		Container Test Campaign By: Clement Calmels on Wed, 07 June 2006 14:20
		RE: Container Test Campaign By: mef on Wed, 21 June 2006 19:25
		Re: Container Test Campaign By: serue on Thu, 22 June 2006 11:31
		Re: Container Test Campaign By: Sam Vilain on Thu, 22 June 2006 23:39
		Re: Container Test Campaign By: Cedric Le Goater on Thu, 22 June 2006 21:51
		RE: Container Test Campaign By: mef on Fri, 23 June 2006 07:40
		Re: Container Test Campaign By: Mark Huang on Fri, 23 June 2006 17:31
		RE: Container Test Campaign By: mef on Mon, 26 June 2006 08:57
		RE: Container Test Campaign By: mef on Wed, 21 June 2006 19:25
		RE: Container Test Campaign By: Clement Calmels on Thu, 22 June 2006 16:33
		Re: Container Test Campaign By: Cedric Le Goater on Thu, 22 June 2006 21:39
		Re: Container Test Campaign By: Sam Vilain on Fri, 23 June 2006 03:40
		RE: Container Test Campaign By: mef on Fri, 23 June 2006 07:40
		Re: Container Test Campaign By: Sam Vilain on Sun, 25 June 2006 22:00
		Re: Container Test Campaign By: serue on Thu, 22 June 2006 11:33
		Re: Container Test Campaign By: Clement Calmels on Fri, 30 June 2006 17:28
		Re: [Vserver] Re: Container Test Campaign By: Herbert Poetzl on Sun, 02 July 2006 15:32
		Re: [Vserver] Re: Container Test Campaign By: Clement Calmels on Tue, 04 July 2006 11:10
		Re: [Vserver] Re: Container Test Campaign By: dev on Tue, 04 July 2006 14:32
		Re: [Vserver] Re: Container Test Campaign By: Cedric Le Goater on Tue, 04 July 2006 15:28
		Re: [Vserver] Re: Container Test Campaign By: Herbert Poetzl on Wed, 05 July 2006 12:13
		Re: Container Test Campaign By: Kirill Korotaev on Mon, 03 July 2006 07:49
		RE: Container Test Campaign By: mef on Mon, 03 July 2006 18:23
		Re: Container Test Campaign By: kir on Mon, 03 July 2006 08:14
		Re: Container Test Campaign By: Clement Calmels on Tue, 04 July 2006 09:42
		Re: [Vserver] Re: Container Test Campaign By: kir on Tue, 04 July 2006 12:19
		Re: [Vserver] Re: Container Test Campaign By: Clement Calmels on Tue, 04 July 2006 13:54
		Re: [Vserver] Re: Container Test Campaign By: kir on Tue, 04 July 2006 14:52
		Re: [Vserver] Re: Container Test Campaign By: Cedric Le Goater on Tue, 04 July 2006 15:45
		Re: [Vserver] Re: Container Test Campaign By: Herbert Poetzl on Wed, 05 July 2006 14:02
		Re: Container Test Campaign By: Clement Calmels on Tue, 04 July 2006 12:34
		Re: Container Test Campaign By: Clement Calmels on Tue, 04 July 2006 13:02
		Re: [Vserver] Re: Container Test Campaign By: kir on Tue, 04 July 2006 16:30
		Re: [Vserver] Re: Container Test Campaign By: Clement Calmels on Wed, 05 July 2006 07:40
		Re: [Vserver] Re: Container Test Campaign By: kir on Wed, 05 July 2006 08:34
		Re: [Vserver] Re: Container Test Campaign By: dev on Wed, 05 July 2006 10:43
		Re: [Vserver] Re: Container Test Campaign By: Cedric Le Goater on Wed, 05 July 2006 13:06
		Re: [Vserver] Re: Container Test Campaign By: Gerrit Huizenga on Wed, 05 July 2006 22:37
		Re: [Vserver] Re: Container Test Campaign By: dev on Thu, 06 July 2006 10:44
		Re: [Vserver] Re: Container Test Campaign By: Gerrit Huizenga on Thu, 06 July 2006 14:12
		Re: [Vserver] Re: Container Test Campaign By: dev on Mon, 10 July 2006 08:16
		Re: [Vserver] Re: Container Test Campaign By: Herbert Poetzl on Thu, 06 July 2006 10:54
		Re: [Vserver] Re: Container Test Campaign By: Cedric Le Goater on Wed, 05 July 2006 12:31
		Re: [Vserver] Re: Container Test Campaign By: Herbert Poetzl on Thu, 06 July 2006 10:51
		Re: [Vserver] Re: Container Test Campaign By: dev on Thu, 06 July 2006 11:30
		Container Test Campaign By: Clement Calmels on Tue, 11 July 2006 08:45
		Re: Container Test Campaign By: Kirill Korotaev on Tue, 11 July 2006 09:18
		Re: Container Test Campaign By: Clement Calmels on Wed, 12 July 2006 16:31
		Re: [Vserver] Re: Container Test Campaign By: Herbert Poetzl on Thu, 13 July 2006 02:07

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