[TriLUG] Memory Monitor on a Redhat system

[Andrew C. Oliver]

Michael Tharp wrote:
> Robert Dale wrote:
>   
>> I was curious about PAE (highmem option in the kernel) and did some
>> searching.  While everything I managed to find did say that linux
>> could address 64gb, processes were still bound to 3gb user (+ 1gb
>> kernel = 4gb).  I'd be interested to see references to processes being
>> able to address more or programs that are PAE-aware.
>>
>>     
> I'm sure it would be technically feasible for a program to either be
> aware of PAE directly, or to request swappable pages through a
> transparent API, so that the program could work with more than the 3GB
> limit. I don't, however, know of any such implementation, and generally
> it's easier to just move to a 64-bit OS ;)
>   
http://www.togaware.com/linux/survivor/Memory.html

Again though...let's say Java *could* use PAE itself...  
Still...parallel GC over paged non-contiguous memory?  The result would 
not be very "family friendly" I think.

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