[Gllug] performance difference between a swap partition vs a swap file.>>>>>

[Peter Corlett]

On 2 Dec 2009, at 10:46, Alain Williams wrote:
> On Wed, Dec 02, 2009 at 10:39:23AM +0000, James Hawtin wrote:
>> 33GB swap partition sounds insane, perhaps you have a very large  
>> amount of
> I still hear people saying ''I allocate as much swap as I have  
> RAM''. I have never understood this rule of thumb, it *was* probably  
> OK for the very first install of a new system of which you have no  
> clue how much resources it is going to use because you have never  
> seen it before.

That rule of thumb probably dates back to SunOS times, which had a  
fairly primitive VM subsystem that expected each page of RAM to be  
backed by a page of swap.


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