Understanding Azure Virtual Machine IOPS, throughput and disk latency – Part 2

Continuing on from Part 1 : https://blogs.technet.microsoft.com/andrewc/2016/09/09/understanding-azure-virtual-machine-iops-throughput-and-disk-latency Part 1 showed the IOPS, throughout and latency characteristics of an Azure disk when there was no caching involved. This post covers the impact of caching and premium storage. Test 4 – Read Cache – Standard Disk. We will re-run the tests using the F: drive, which is…

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Understanding Azure Virtual Machine IOPS, throughput and disk latency – Part 1

I’m regularly asked: How best to configure disks in Azure virtual machines for optimal performance. Why a deployed a solution may not be performing at the desired level. When the discussion takes place, we can find: There is not a solid understanding of how Azure disks work and perform. The requirements and characteristics of the…

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