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Re: Ideal Swap Partition Size





On Sun, Jan 18, 2009 at 9:57 AM, Roberto Ragusa <mail robertoragusa it> wrote:
Paulo Cavalcanti wrote:
>
> On Sat, Jan 17, 2009 at 9:52 AM, Rahul Tidke <rahul excelize com
> <mailto:rahul excelize com>> wrote:
>
>     Hello,
>      I am configuring a server with 3 GB of RAM; how much swap partition
>     size should I allocate. I think allocating twice of RAM will be
>     waste of HDD space. What is the standard.
>
> If you intend to hibernate, then you need at least the same size of the ram.

And then consider that you may want to hibernate even when the
machine is already using some swap.

I think that if you have 3GB of RAM you have more than 100GB of HD space.
Maybe a lot more, as you say it's a server.
I'd go for 5GB.


As I said before, one can always use an extra swap area via a file.

But if a server would ever need a 5GB of swap, then it is time to buy more ram.
The amount of "data + programs running" should not exceed the amount of available ram,
if one wants a decent performance on a server:

http://www.linux.com/feature/121916


--
Paulo Roma Cavalcanti
LCG - UFRJ

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