Max top end computer for Freebsd to run on
mark at msen.com
Sat Jun 8 02:31:26 UTC 2013
On 6/7/2013 7:52 PM, lokadamus at gmx.de wrote:
> On 02.06.2013 22:34, Fbsd8 wrote:
>> I'm a sub second speed freak. What is the max number of cpu's and
>> memory size that Freebsd can handle? Can it handle 16 4ghz cpu's and
>> 32gb of memory? I need a gaming server with some really big balls for
>> hundreds of jails. Money is not a deciding factor here, horse power is.
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> Looks like there is set up to 128 maxcpu (or no limit) since FBSD 9.0.
> Memory i don't know.
> With 64Bit it should many ram avaible.
In theory, max RAM would be 18446744073709551616 bits (2^64) I know it
is possible to configure a system with 64 cores (4 x 16-core cpus).
However, I haven't seen definitive tests on scaling that far. Last I
saw, somewhere in the 6 to 8 core range, you really hit the point of
diminishing returns. If you are doing lots of jails, I would suggest
splitting up 'sets' of jails and limiting them to run on a group of
specific cores. In the above configuration, you could have 8 groups of
8 cpu-cores, each handling a specific set of jails.
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