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How to determine if SQL Server needs more CPU? 

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Even if your application never does any I/O, it's not just the speed of the CPU that dictates performance.
However, such an option raises the problem of how to select appropriate CPU frequency configurations that strike a good balance between cost and execution time performance.
Thus, the total power consumption of a server depends on not only computational devices such as a CPU, but also cooling devices.
Our protocols enable much lower CPU overhead for the database server.
In this paper, we demonstrate how the performance of workloads across different CPU models leads to variability in energy efficiencies, and therefore costs.
Open accessBook ChapterDOI
01 Jan 2015
14 Citations
Saving 1 watt of power at the CPU can easily turn into 1.5 watts of savings after power delivery efficiency losses inside the server, and up to 3 watts in the data center.
Experiments on Microsoft SQL Server show significant performance improvements with minimal overhead.
Proceedings ArticleDOI
Wubi Qin, Qian Wang 
08 Jun 2005
21 Citations
The utilization of scheduling parameters can be generalized to accommodate more sophisticated workload characterization and complicated server environments.
Proceedings ArticleDOI
Bryan E. Veal, Annie Foong 
03 Dec 2007
100 Citations
If this key obstacle is addressed, commercial web server and systems software are well-positioned to scale to a large number of cores.
As our results show, the new plan shapes and execution strategies yield significant performance improvements across the targeted workloads as compared to earlier versions of Microsoft SQL Server.