I cannot understand why they do not tell you to subtract the amount of RAM you plan to use for SGA before you make those calculations. Also, disk is cheap, so why would you ever want to have less than about 4 GB of swap (says the guy who used to cobble together a *lot* of .50 g and .75 gig disk drives to make under a dozen 7 GB databases that were called a VLDB.) (Could I please have 10 MB for each SGA sir? Please?) Regards, mwf _____ From: oracle-l-bounce@xxxxxxxxxxxxx [mailto:oracle-l-bounce@xxxxxxxxxxxxx] On Behalf Of kathy duret Sent: Wednesday, May 13, 2009 3:08 PM To: oracle-l@xxxxxxxxxxxxx Subject: OEL 5.2 Oracle 10g database and swap I had always used the rule of thumb for putting 1.5 swap to RAM on Linux Servers We are installing OEL 5.2, 10G 3 node RAC cluster with 64G of RAM. When I looked at the Metalink install doc 421038.1 it says: Between 1024 MB and 2048 MB 1.5 times the size of RAM Between 2049 MB and 8192 MB Equal to the size of RAM More than 8192 MB 0.75 times the size of RAM Has anyone installed this and what are you using. Have you also used hugepages? Thanks, Kathy