tblader wrote:
[2]$ cat /proc/meminfo MemTotal: 7128956 kB MemFree: 2132556 kB Buffers: 556832 kB Cached: 2821408 kB
you do realize, out of that 7GB of ram, 2GB is unused entirely, and 2.8GB is being used as disk cache, another 500MB as buffer space... so in fact program memory usage is down around 2-3GB ?
if you understand that, my apologies. Its just that I've dealt with lots and lots folks who focus entirely on that "MemFree" line without realizing that "Cached" is also available as 'free' space.
btw, you said Oracle. I've heard that if you enable huge pages w/ oracle on large memory x86_64 systems, you get a BIG performance boost. sorry, I don't know the specifics, but there's probably a Oracle MetaLink article on it.
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