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Amazon SimpleDB Developer Guide by Prabhakar Chaganti, Rich Helms

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Chapter 8. Tuning and Usage Costs

SimpleDB queries can be tuned in order to provide the best performance as well as cost effectiveness. In order to perform any kind of tuning, we need to first examine the concept of BoxUsage provided as a part of the response to every SimpleDB request. In this chapter, we will discuss the BoxUsage and look at how it varies for different kinds of SimpleDB operations. We will also look at usage costs and usage activity reports that are provided by AWS. We will also talk about the concept of partitioning.

BoxUsage

Each request made to SimpleDB returns a BoxUsage value as part of the response. This response indicates the amount of system resources that were utilized by that specific operation. This value can be used ...

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