Re: Problems with swapping

["Mindaugas Riauba" <mind bi lt>]

> >   Why to swap in/out when there is >3GB of data in cache? The single
running
> > task
> > is Oracle. sysctl settings are default.
> >
> >   What could I tune or where to read about reducing swapping?
>
> http://people.redhat.com/nhorman/papers/papers.html

  Not much. From what I understood I tried to change vm.pagecache from
"1 15 100" to "1 15 50" but it does not seem to help much.

  I found (http://openacs.org/forums/message-view?message_id=190696) that
on SLES there is sysctl vm.vm_mapped_ratio which seems to be directly
influencing
swappiness. But there is no such sysctl on RHES.

  Mindaugas