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Re: But why is the RAM gone?! [message #26682 is a reply to message #26681]

Wed, 30 January 2008 19:39

kir
Messages: 1645
Registered: August 2005
Location: Moscow, Russia

Senior Member

I run this script on my notebook (1G RAM, running Gentoo kernel at the moment, i.e. no VEs, no OpenVZ) and this is what it shows:

pssum: 445684 used: 321684 diff: -124000

I suspect that process RSS is not counting the memory used by kernel on behalf of the process, plus there's memory used by kernel itself. So sum of all RSS only gives you the lower estimation.

Such memory not accounted by RSS (neither 'cached' nor 'buffers' columns of /proc/meminfo) includes page tables, network buffers and other different kernel objects. I am not a kernel expert myself but will try to ask one tomorrow.

In any case, this can't work as an indication of a problem.

Kir Kolyshkin

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[Message index]

		But why is the RAM gone?! By: HubertD on Wed, 30 January 2008 11:39
		Re: But why is the RAM gone?! By: maratrus on Wed, 30 January 2008 14:34
		Re: But why is the RAM gone?! By: HubertD on Wed, 30 January 2008 15:01
		Re: But why is the RAM gone?! By: HubertD on Wed, 30 January 2008 18:41
		Re: But why is the RAM gone?! By: kir on Wed, 30 January 2008 19:39
		Re: But why is the RAM gone?! By: HubertD on Thu, 31 January 2008 08:18
		Re: But why is the RAM gone?! By: xemul on Fri, 01 February 2008 10:27
		Re: But why is the RAM gone?! By: HubertD on Fri, 01 February 2008 12:03
		Re: But why is the RAM gone?! By: xemul on Fri, 01 February 2008 12:50
		Re: But why is the RAM gone?! By: HubertD on Fri, 01 February 2008 13:03
		Re: But why is the RAM gone?! By: HubertD on Mon, 04 February 2008 11:47
		Re: But why is the RAM gone?! By: rickb on Mon, 04 February 2008 17:44
		Re: But why is the RAM gone?! By: xemul on Tue, 05 February 2008 11:46
		Re: But why is the RAM gone?! By: HubertD on Tue, 05 February 2008 15:52
		Re: But why is the RAM gone?! By: HubertD on Wed, 06 February 2008 11:58
		Re: But why is the RAM gone?! By: xemul on Wed, 06 February 2008 13:25
		Re: But why is the RAM gone?! By: HubertD on Wed, 06 February 2008 14:47
		Re: But why is the RAM gone?! By: HubertD on Wed, 06 February 2008 17:43
		Re: But why is the RAM gone?! By: xemul on Thu, 07 February 2008 10:26
		Re: But why is the RAM gone?! By: HubertD on Thu, 07 February 2008 12:52
		Re: But why is the RAM gone?! By: HubertD on Thu, 07 February 2008 22:58
		Re: But why is the RAM gone?! By: den on Fri, 08 February 2008 13:04

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