[CentOS] Postpone/avoid swaping while there is still free RAM.
Barry L. Kline
blkline at attglobal.net
Tue Jun 20 17:51:42 UTC 2006
Alexander Georgiev wrote:
>
> There is plenty of free ram, but the kernel prefers to swap unused
> pages to disk. And later I have to wait for them to be unswapped, the
> Desktop looses its promptness - annoying.
>
> In win2k and winXP there is a registry key property which prevents
> swapping while there is still RAM.
>
> Do you know whether I can achieve the same in linux?
There has been a huge thread concerning this -- maybe even in this list.
Use google and look for "swappiness".
The place to make the change (temporarily) is:
/proc/sys/vm/swappiness
To make it permanent, change /etc/sysctl.conf
Barry
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