Noisy Neighbor Where Art Thou? VM Performance Culprit and Victim Analysis Using CloudPhysics Storage Analytics
In my last blog post I talked about the our new Storage Analytics offering. Here, I want to focus on one of the core features of this product offering — Datastore Contention card.
We all know that virtualization helps to drive up utilization of physical resources, but it also makes resource contention almost inevitable. VMware used the term “noisy neighbor” to denote these resource contention issues. One of the commonly cited barriers for virtualization is the lack of visibility into noisy neighbor issues. Over the years, VMware administrators have trained themselves to spot CPU and memory contention issues. However, detecting datastore contention has always been really hard.
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