[ic] CPU upgrade for IC server?
steven at endpoint.com
Wed Jun 17 13:19:25 UTC 2009
> I've optimized quite a bit. These jobs are pretty mature now and just
> take some time when you put them all together. Does this mean I'm
> alright on memory?
> Mem: 1028780k total, 709692k used, 319088k free, 55036k buffers
On a modern Unix system, a snapshot like this does not mean much because the
operating system will allow physical RAM usage to get up to a certain point
without doing any reclamation.
As Jon points out, checking for paging and swapping (either via the si/so fields
in vmstat, or the -B option to sar) is a better measure as those will show you
the rate of paging and swapping. Be aware that if your system has heavy
filesystem activity, you'll see paging, so that's not necessarily a problem.
However, swapping (especially swapping out) is not good, and is normally a sign
that you need more RAM.
End Point Corporation
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