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 Multiple instances on single server performance
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Constraint Violating Yak Guru

352 Posts

Posted - 03/19/2013 :  16:29:28  Show Profile  Reply with Quote
AWS offers a very powerful server called the High Memory Cluster Eight Extra Large Instance. The specs are...

244 GiB of memory
88 EC2 Compute Units (2 x Intel Xeon E5-2670, eight-core. Intel Turbo, NUMA)*
240 GB of SSD instance storage
64-bit platform
I/O Performance: Very High (10 Gigabit Ethernet)
EBS-Optimized Available: No
API name: cr1.8xlarge

The problem is that I can't afford a SQL Server Enterprise license. Since standard edition can't use more than 64 GB of memory I'm thinking of buying one of these AWS instances and installing 3 sql server standard edition instances on it (each maxing out memory usage). My concern is about the CPU management across 3 instances of SQL Server. Is this concern warranted?


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