you can also flush the swap with a swapoff -a wait till it flushes then swapon -a Johnny Hughes wrote: > Jerry Geis wrote: >> Hi all, >> >> I used to use centos 4.5 on an AMD 4800+ with 2GIG ram. >> Now I use centos 5.1 on AMD 6400+ with 4GIG RAM. >> >> The system responsiveness is different between the two. >> I noticed that centos 5.1 seems to be swapping programs out >> of memory at times resulting in slowness (perceived by me). >> >> I played with swappiness (/proc/sys/vm/) setting to 10, then 1 then 0. >> Still resulted in the same perceived slowness. >> Today I did swapoff -a and now the system obviously does not swap >> anything out all all. I thought thats what swappiness of 0 would have >> done. >> >> Are others experiencing this also? The perceived slowness maks the older >> system with less RAM and slower CPU "seem" faster. >> >> Any suggestions on other things to try? > > When you reset swappiness, how did you do it. > > The way that I have had the most luck in is editing /etc/sysctl.conf and > adding: > > vm.swappiness=10 > > (or in your case, 0) > > and then: > > sysctl -p /etc/sysctrl.conf > > You would need to then make the things already swapped out come back > (will happen over time) .. but rebooting is easier and faster. > > That should work ... but will not prevent all swapping. > > > ------------------------------------------------------------------------ > > _______________________________________________ > CentOS mailing list > CentOS at centos.org > http://lists.centos.org/mailman/listinfo/centos -- Registered Microsoft Partner My "Foundation" verse: Isa 54:17