[PLUG] Bloat

Rahul Sundaram sundaram at fedoraproject.org
Wed Oct 1 11:02:10 PDT 2008


Aditya Godbole wrote:
> On Tue, Sep 30, 2008 at 12:10 PM, Shridhar Daithankar
> <ghodechhap at ghodechhap.net> wrote:
>> On Monday 29 September 2008 20:36:17 Aditya Godbole wrote:
>>
>> No. Thing is the memory usage varies with amount of installed RAM, at least in
>> linux. If you have same installation on a 512MB RAM and 128 MB RAM machine and
>> start identical sets of program, the usage won't be identical.
>>
> 
> Quite remarkable. How does this happen? Any pointers to technical details?

Nothing remarkable about it. If you have additional memory and it is not 
being used to a optimum level, it is just wasted resources. Instead 
Linux uses it for caching. So if you are merely checking memory usage 
without taking cache into consideration, you would get misleading 
information.

http://www.redhat.com/magazine/001nov04/features/vm/

Rahul



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