How to download and Install Nutanix X-ray on an AHV cluster
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How to run vdbench benchmark on any HCI with X-Ray
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Many storage performance testers are familiar with vdbench, and wish to use it to test Hyper-Converged (HCI) performance. To accurately performance test HCI you need to deploy workloads on all HCI nodes. However, deploying multiple VMs and coordinating vdbench can be tricky, so with X-ray we provide an easy way to run vdbench at scale. […]
Measuring CPU performance with X-Ray and pgbench.
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An X-ray workload for measuring application density
X-Ray scenario to demonstrate Nutanix ILM behavior.
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Specifically a customer wanted to see how performance changes (and how quickly) as data moves from HDD to SSD automatically as data is accessed. The access pattern is 100% random across the entire disk. In a hybrid Flash/HDD system – “cold” data (i.e. data that has not been accessed for a long time) is moved […]
HCI Performance testing made easy (Part 4)
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What happens when power is lost to all nodes of a HCI Cluster? Ever wondered what happens when all power is simultaneously lost on a HCI cluster? One of the core principles of cloud design is that components are expected to fail, but the cluster as a whole should stay “up”. We wanted to […]
HCI Performance testing made easy (Part 3)
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Creating a HCI benchmark to simulate multi-tennent workloads HCI deployments are typically multi-tennant and often different nodes will support different types of workloads. It is very common to have large resource-hungry databases separated across nodes using anti-affinity rules. As with traditional storage, applications are writing to a shared storage environment which is necessary to […]
HCI Performance testing made easy (Part 2)
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A simple benchmark for Random Reads, Random Writes, Sequential Reads, Sequential Writes.
HCI Performance testing made easy (Part 1)
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How to create a customized performance test using X-ray.