On Sun, Sep 14, 2008 at 04:14:44PM -0400, Mag Gam wrote: > Michael: > > Interesting. That will just not use swap? So, it will FIFO pages into > physical memory? > > > > On Sun, Sep 14, 2008 at 3:29 PM, Michael <[EMAIL PROTECTED]> wrote: > > On Sat, Sep 13, 2008 at 06:28:31PM -0400, Mag Gam wrote: > >> I have a system with 32GB of RAM. The application is designed so it > >> does not do sequential reads and it does random operations. The > >> application memory intensive and I would like it to not swap. I want > >> it to use physical memory as much as possible. Once the memory is read > >> and operated on, I want that page to disappear and not even goto > >> paging status. What is the best VM tuning for this? > > > > Add to /etc/sysctl.conf this string vm.swappiness=0
Not exactly, basically, this setting control how aggressively swapping will be; with zero, your system will stay out of swap as long as it can. You can read more about this setting on lwn[1]. [1] http://lwn.net/Articles/83588/ -- To UNSUBSCRIBE, email to [EMAIL PROTECTED] with a subject of "unsubscribe". Trouble? Contact [EMAIL PROTECTED]
