IDG Contributor Network: Doesn’t the Cloud Solve All of My Performance Issues?

IDG Contributor Network: Doesn’t the Cloud Solve All of My Performance Issues?

I have heard it said many times that the cloud can solve all of our performance issues. There are two reasons why this claim is not necessarily true:

  1. A misunderstanding of the difference between performance and scalability.
  2. Performance remains application-dependent.

Performance versus scalability

The terms performance and scalability are sometimes used interchangeably, but in actuality they have very distinct differences. The important distinction between the terms is that performance is a measure of a data point, such as the response time of a request, the amount of CPU or memory that a request needs, etc. Scalability, on the other hand, measures your application’s ability to maintain its performance as load increases. In other words, if you can service a single request in 500ms, can you service 1000 requests at 500ms each or does the response time degrade as your load increases?

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Network World Cloud Computing

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