Chapter 5. Capacity Monitoring

Capacity management changes drastically with virtualization. In this chapter, we will learn why it is one of the areas that are greatly impacted by virtualization. We will cover the following topics:

  • The changes in capacity management
  • How you should perform capacity management
  • How many resources are consumed by the SDDC itself
  • When peak utilization is not what it actually is
  • How you should perform capacity management
  • VM rightsizing

Some well-meaning but harmful advice

Can you figure out why the following statements are wrong? They are all well-meaning pieces of advice on the topic of capacity management. I'm sure you have heard them, or even given them.

Regarding cluster RAM:

  • We recommend a 1:2 overcommit ratio between physical ...

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