Mag Gam wrote:
At my university we have 10 servers. Each server has 8 cores with 32
GIG of memory running Debian 4.0. We have to give these servers to a
different department, and our Dean would like to consiladate 10
servers into 5 servers. The new server will have 16 cores with 64 GIG
of memory. Basically a 2:1 type of deal.
Since we are doing a 2:1, should we expect 2:1 performance? For
instance, most of our applications are heavy compute and memory
intensive applications. Would they run at the same speed, better, or
worse with this new setup? My guess is that same?
Oh, yeah will be running 4.0 :-)
TIA
Too many variables to tell, but it won't be 2:1. That won't be possible
due to resource contention.
If you aren't using your existing cores effectively, you might not see
any performance gain on a server-for-server basis. But for typical
systems, you might expect a 25-50% increase over an existing system.
That is, of course, assuming all other things (CPU speed, hardware cache
sizes, disk speed, etc.) remain the same. Changing those parameters
makes things more complicated.
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