[Opensim-users] Hosting a medium-sized grid

[Dahlia Trimble]

Looks to me like you have almost 5 gb free ram.

http://www.linuxatemyram.com/


On Fri, Sep 19, 2014 at 9:07 AM, Jeff Kelley <opensim at pescadoo.net> wrote:

> I'm porting a grid from a home PC to a server.
>
> The grid is 40 regions large, 16 simulators, 5 to 10 avatars.
>
> It runs today on a i7-2700K (8,921 PassMarks), 16Gb home PC.
>
> A quick test on a 16Gb Xeon gives these stats:
>
> top - 17:49:03 up 14 days,  7:04, 19 users,  load average: 0.40, 0.64, 0.77
> Tasks: 208 total,   2 running, 206 sleeping,   0 stopped,   0 zombie
> %Cpu(s):  9.8 us,  1.5 sy,  0.0 ni, 88.4 id,  0.2 wa,  0.0 hi,  0.0 si,
> 0.0 st
> KiB Mem:  16483288 total, 16185604 used,   297684 free,   456872 buffers
> KiB Swap:   523260 total,    29192 used,   494068 free.  4718744 cached Mem
>
>              total       used       free     shared    buffers     cached
> Mem:           15G        15G       318M        37M       446M       4.5G
> -/+ buffers/cache:        10G       5.2G
> Swap:         510M        28M       482M
>
>
> The grid runs quite well but 16Gb is a little short, so I will go for a 24
> or 32Gb machine. This is (obviously, or I won't ask here) a non-profit
> project, on a personal budget.
>
> Here is my dilemma : in the target price range, I can have two machines:
>
> - Two Xeon E5530 (7,723 PassMarks), 8 core total, 24Gb, rotating disk
> - Single Xeon E3 1225v2 (6,844 PassMarks), 4 core, 32Gb, 3x120Gb SSD
>
> Should I favour CPU over memory? Memory over SSD?
>
> Which one would you pick?
>
>
>
> -- Jeff
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>
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