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Subject: Re: Memory Usage Date: Mon Nov 03 2014 10:31:00
From: Gryphon To: wkitty42

On 11/03/14, wkitty42 said the following...
 
 wk> On 11/02/14, Gryphon said the following...
 wk>  
 wk>  Gr> This isn't a software question so much as it is a hardware question.

 wk>  Gr> I have an older Acer Aspire R1600.  It came stock with 1MB of ram.  I
 wk>  Gr> running Debian Whezey on it.

 wk>  Gr> Today I install 2 2GB dimms for a total of 4GB.  However, when I do a
 wk>  Gr> top or a memfree, it shows only 3GB.

 wk> 32bit can't recognize over 3gig... you need 64bit for more... that or PAE
 wk> capability i think...

Ok, I thought the upper limit was 4GB for 32-bit distros, not 3GB.

 wk> the way i always tell if i need more memory in a machine is if swap
 wk> space is being used... sometimes it is inevitable like when editing
 wk> monstrous files but genreally speaking, that's been my measure for years...
 wk> i check usage after a boot within minutes of everything being loaded and
 wk> the system settling down... if swap is being used then, then
 wk> it may be time to add some memory... i also check again after a normal
 wk> run of tasks but it can get sketchy...

Well if performance begins to suck, even tho swap isn't being used, would
that point to a lack of memory, or would it be something else?

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