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Re: OpenVZ Density [message #32303 is a reply to message #32299]

Wed, 30 July 2008 13:33

dowdle
Messages: 261
Registered: December 2005
Location: Bozeman, Montana

Senior Member

The answer isn't that I don't know... the answer has been clearly given by two people... and to review:

Q: What is the formula for computing maximum container density on a given piece of hardware?

A: There isn't one.

An obvious basic formula would be:

(physical RAM + swap) divided by (amount of ram [or average] you want each container to have) = number of containers

Of course that's just for memory... and given the fact that OpenVZ has about 20-ish resource parameters, 4 or so of which are memory related, that formula would only answer one piece. I'll admit that the memory resource parameters are quite complex and somewhat confusing. There is a wiki page on resource management where they discuss the various memory parameters and give formulas showing what each represents... and they are quite complicated... not by mathematical standards... but by wrapping your head around it standards.

I don't usually come off sounding like a smart ass... but for whatever reason... I have in this thread. Sorry. I hope you can overlook that and make some progress.

--
TYL, Scott Dowdle
Belgrade, Montana, USA

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[Message index]

		OpenVZ Density By: hm2k on Tue, 29 July 2008 15:59
		Re: OpenVZ Density By: dowdle on Wed, 30 July 2008 03:25
		Re: OpenVZ Density By: hm2k on Wed, 30 July 2008 11:20
		Re: OpenVZ Density By: dowdle on Wed, 30 July 2008 12:56
		Re: OpenVZ Density By: hm2k on Wed, 30 July 2008 13:11
		Re: OpenVZ Density By: dowdle on Wed, 30 July 2008 13:33
		Re: OpenVZ Density By: hm2k on Wed, 30 July 2008 13:44
		Re: OpenVZ Density By: dowdle on Wed, 30 July 2008 14:27
		Re: OpenVZ Density By: dowdle on Wed, 30 July 2008 16:25
		Re: OpenVZ Density By: hm2k on Wed, 30 July 2008 16:34
		Re: OpenVZ Density By: JimL on Wed, 30 July 2008 11:56
		Re: OpenVZ Density By: dowdle on Wed, 30 July 2008 13:03
		A better answer By: dowdle on Wed, 30 July 2008 14:54
		Re: OpenVZ Density By: dowdle on Wed, 30 July 2008 19:41

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