On Saturday 08 February 2003 11:38 am, Gregory K. Meyer, CPA wrote: > On Saturday 08 February 2003 11:24 am, Russ wrote: > > Hi All, > > > > I understand that the swap partition should be about twice that of your > > physical ram. I have 256megs and when I allow MD to partition itself, > > that is the size of the swap partition it makes. Shouldn't it be 512? > > > > I seem to remember (from previous tries in the past) that there was an > > issue of Linux not reading all the ram. There was a file that the person > > was directed to and told to edit it to what his ram was. Does anyone out > > there know what I am talking about? > > The rule I follow is > > 2x RAM when physical RAM is 128MB or less; > 1x RAM when physical RAM is 256MB but greater than 128; > never a bigger swap than 256MB > > In monitoring, I have never had my swap usage get above 80MB when my > physical RAM was 256MB. When I increased physical RAM to 512MB, I never > use the swapfile at all, and I run a lot of stuff at the same time. > > Once you get past 256MB, you really don't put enough stuff in memory to > require a swap file at all (for desktop use anyway).
I forgot to answer your question. That issue used to occur with older hardware. The kernel needs to be booted with a mem= parameter to tell it how much memory existed. You added it to the append line in /etc/lilo.conf. I doubt that is your problem though, see my prior e-mail. But if you want to check type cat /proc/meminfo which will output info about your memory to the screen. You can check to see how much memory the kernel thinks you have. -- Greg
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