I would stick with the smaller swap ... as you say, if the server is swapping a lot, it's better to give it more main memory and let z/VM manage memory paging then let Linux continue swapping.
I always prefer to give less (memory and swap) initially and add more if actual behavior warrants it. No one ever objects to you giving them more - but they will almost always complain if you take anything away. ;-) Note that I'm speaking of virtual servers in general - others may have recommendations specific to Oracle, but in my experience everyone asks for more then they end up needing. Their position is it's easier to get it up front then get it added later.. which in the physical world may be true, but in the virtual world is usually not - it's just a config change. Scott Rohling On Mon, Dec 30, 2013 at 4:43 AM, Levy, Alan <al...@doitt.nyc.gov> wrote: > I have a request for a linux server that will be hosting an oracle data > base. > > The requestor has requested 8G of main memory and 8G of swap (Our normal > server usually has 1.5G of swap - .5 on dasd and 1G on vdisk). > > Does anyone have any thoughts about giving this person 8G of swap ? > > I've been told that if a server is swapping a lot, then it needs more main > memory, not more swap space. > > Are there any recommendations for an oracle server ? > > > ---------------------------------------------------------------------- > For LINUX-390 subscribe / signoff / archive access instructions, > send email to lists...@vm.marist.edu with the message: INFO LINUX-390 or > visit > http://www.marist.edu/htbin/wlvindex?LINUX-390 > ---------------------------------------------------------------------- > For more information on Linux on System z, visit > http://wiki.linuxvm.org/ > ---------------------------------------------------------------------- For LINUX-390 subscribe / signoff / archive access instructions, send email to lists...@vm.marist.edu with the message: INFO LINUX-390 or visit http://www.marist.edu/htbin/wlvindex?LINUX-390 ---------------------------------------------------------------------- For more information on Linux on System z, visit http://wiki.linuxvm.org/
