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I'm running several Linux-based VMs (vApps, actually) that have varying amounts of memory assigned to them. Some have databases, some web servers, etc. While some are using less than 40% of their assigned memory, a few are consistently using over 90%, and one is also using 15% of it's swap space. I'd like to re-balance the memory allocations and try to get them all using roughly the same fraction, but what should I aim for? 90%? 75%?

I'd like to do this in one outage, so I'm guessing I need to add extra space to the one using 15% of its swap space (the others are generally less than 1%). Should I just add 15% of my swap space size to the memory allocation, or should I pro-rate it somehow?

Thanks.

ewwhite
  • 201,205
samwyse
  • 123

1 Answers1

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Memory allocation in VMware is a complex topic. It really can't be distilled to a "allocate X amount" per machine. You really have to look at utilization inside the VMs as well as from the host, cluster and and resource pool levels.

Can you give a specific situation or scenario that you need help with? What is the layout of your cluster?

ewwhite
  • 201,205