Sanjay, I second Andrew and Nuno's suggestion on configuring swap to 3/4th of physical RAM. I have seen "out of space" errors pre-dominantly with under configured swap setting. Could you please increase it and see if it works now. Regards Amit On Fri, May 7, 2010 at 8:24 PM, Yong Huang <yong321@xxxxxxxxx> wrote: > > As for huge pages, you need to configure just a little bit more than > > what you need for the SGA (PGA won't use huge pages). For example, if > > you want to use an SGA of 30gb, you'd configure huge pages to be > > 30gb + a few tens of MBs to allow for a bit of overhead. > > > > Harel > > I agree. It's better to make sure the HugePages memory covers all > instances simultaneously running on the box, including ASM if available. > HugePages is guaranteed to be locked in physical memory regardless its > version. Any unused bit of it is wasted. I have some write-up about this > topic at > > http://yong321.freeshell.org/oranotes/HugePages.txt > > By the way, 50GB SGA on a 64GB box is not a wise decision as others > said. Every bit of increase in PGA is benefitial for hashing (but not > sorting) when it's in one-pass phase, common to a data warehouse. > > Yong Huang > > > > -- > //www.freelists.org/webpage/oracle-l > > >