Recently I have been thinking, talking, and writing about ESX host memory swapping a lot. ESX swaps memory under the same conditions that traditional operating systems do; the application(s) is using more memory than available on the physical hardware. Host swapping is an unavoidable consequence of this condition, whether virtualization is present or not.
Solid State Disks and Host Swapping
December 24th, 2009 Posted in Uncategorized
Dec, 24 2009
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Your Performance Enemy: Host Swapping
December 23rd, 2009 Posted in Uncategorized
Dec, 23 2009
Three times in the past week I have engaged in challenging discussions on host memory swapping and its impact to performance. If you read my article on host swapping and the whitepaper it summarized, you know the deleterious effect on performance caused by host swapping. When reading the paper, one of our most astute customers saw a sentence that gave him pause:
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