Increasing performance by tuning swappiness

Dan Winship dwinship at redhat.com
Mon Sep 24 16:00:45 EDT 2007


Chris Ball wrote:
> Hi,
> 
>    > Any thoughts on this subject?
> 
> Yes:  we don't use swap.

Not quite; we don't have anywhere to swap *dirty* pages to, but the 
kernel can still swap out shared library code pages and stuff like that, 
because they already exist on disk so it can just read them back from 
there if it needs them later.

-- Dan



More information about the Devel mailing list