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vSphere High Performance Essentials by Christian Stankowic

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Summary

In this chapter, you learned how vSphere utilizes memory resources. You now know how TPS, swapping, ballooning, and compression influences the running workloads on our virtual infrastructure. We should always size the ESXi hosts in a way that they don't need to utilize memory compressing and swapping; make sure that they always have enough physical memory resources to meet the running workload's requirements.

Let's summarize the important best practices of memory management once again:

  • Do not disable the page sharing or balloon driver, make sure to use the latest VMware Tools version on all the VMs
  • Carefully specify the memory limits, reservations, and VM memory sizes
  • Utilize the shares in order to define relative priorities when memory contention ...

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