[GTALUG] optimum swap size

[William Porquet]

I've done both as a hack yes.

W.

On Wed, Feb 27, 2019, 11:51 AM Gary via talk, <talk at gtalug.org> wrote:

> So another 2 gigs of swap wouldn't hurt. Can I use a swap file IN ADDITION
> TO a swap partition?
> /gary
>
> On 19-02-27 10:12 AM, Jason Shaw via talk wrote:
>
> On Wed, Feb 27, 2019 at 7:02 AM Gary via talk <talk at gtalug.org> wrote:
>
>> I have kubuntu 18.04 with 20 gigs ram. Does anyone know what the optimum
>> size swap area that I should have? Currently, my swap partition is 2
>> gigs. Can I increase that by creating a swap file in addition to the
>> swap partition?
>>
>> /gary
>>
>> Is swap size still as relevant as it was a decade ago? On a host with 20G
> RAM, I'd imagine the likelihood of hitting swap being much lower.  Having a
> couple of G available just in case seems like a good idea, but I'm unsure
> if the old (Total RAM * 2)=swap equation still rings true.
>
> *does some quick internet sleuthing*
>
> According to this article:
> https://www.cyberciti.biz/tips/linux-swap-space.html RedHat basically
> says that for CentOS server 7, a minimum of 4G is recommended.  The caveat
> to this is that if your system needs to hibernate/suspend-to-disk, in which
> case you'll want 1.5-2x RAM as swap in order to write in-use memory to disk.
>
> -jason
>
>
>
>
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