IIS 7.0 Windows 2008 R2 64bit performance tuning

I have a website that could potentially have spikes up to 10,000 concurrent hits at a time...  I'll have a dedicated gigabit NIC assigned to the website and up to a gigabit in internet throughput..  With that said..  It's a DotNetNuke v7 website.  I'm using .NET 4.0 dedicated app pool.  I have 6 GB's of memory on the server and the ability to add 2 more.  Currently I have 1 GB free of memory with the currently allocated 6 GBs.  I have 4 x cores @ 2.6GHz each.  The storage array is RAID 10.  

What performance tuning changes do I need to do for this website?
gopher_49Asked:
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Emmanuel AdebayoGlobal Windows Infrastructure Engineer - ConsultantCommented:
Hi,

You will need to set up perfomance monitoring or PAL to get the base line of how your application is performing and where the bottleneck is if there is any.

You can following the link below for ASP.NET Thread Usage/settings
http://blogs.msdn.com/b/tmarq/archive/2007/07/21/asp-net-thread-usage-on-iis-7-0-and-6-0.aspx

Attached is a detail document from MS for performance for various server roles, i hope it will help and guide you to set your parameters.

Regards
Perf-tun-srv-R2.docx
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