[GTALUG] optimum swap size

[Gary]

This is good to know.
/gary

On 19-02-27 12:10 PM, William Porquet wrote:
> I've done both as a hack yes.
>
> W.
>
> On Wed, Feb 27, 2019, 11:51 AM Gary via talk, <talk at gtalug.org 
> <mailto: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
>>     <mailto: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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