Chapter 13. Memory Counters
We covered CPU in depth in the previous chapter. Let's now take a trip down memory lane. We will take the same approach we did with CPU. The following topics will be covered in this chapter:
- VM memory counters
- ESXi memory counters
- Cluster memory counters
- Memory counters for higher-level objects
Memory – not such a simple matter
Memory differs from CPU as it is a form of storage. Unlike CPU, which executes instructions as they enter it, memory keeps information for a much longer period of time. We are comparing nanoseconds to seconds (or longer, up to months, depending on the uptime of your VM). Information is stored in memory in standard block sizes, typically 4 KB or 2 MB. Each block is called a page. At the lowest level, ...
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