Re: [gentoo-user] Re: Digest of gentoo-user@gentoo.org issue 281 (19228-19277)

[Volker Armin Hemmann <volker.armin.hemmann@tu-clausthal.de>]

On Tuesday 23 August 2005 18:58, karlos wrote:
> Hi,
>
> I have 2 questions:
>
> 1. How can I change the swap partition after I added some ram to my
> computer e.g. 512 MB. I just wonder in case I want to upgrade WITHOUT
> destroying anything. Do I just have to write another partition table
> and thats it?
>

no, you don't need to. more ram=less swap used (in an ideal world*)

If you need more swap, create a swapfile: dd if=/dev/null of=/tmp/swapfile 
bs=whatyoulike, count=howmuchyouwant

mkswap /tmp/swapfile

swapon /tmp/swapfile

tada, a lot of swap, no partitioning needed.

And with 2.6 a swapfile is not slower than a swap-partition.



*
Well, until two weeks ago I had 512mb ram and 1gig swap.
Even light loaded and swappiness down to 10 - after some hours, there are some 
kb in swap, while there is pretty much free memory - and they are always the 
wrong few kb, making everything sluggish.

I bought additional 512mb - and nothing changed, after some hours, a lot of 
ram is free, but linux insistes on putting hundred and something kb into 
swap.
That is veeeery annoying ;)
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