Performance enhancement on Azure Premium SSD Disks

Microsoft has announced SSD bursting capabilities. This means that Premium SSD disks can achieve higher peak loads than the maximum IOPS with a new maximum of 3500 IOPS and a bandwidth up to 170 MiB/s. Together with this announcement Microsoft also announced new disk sizes (4, 8 & 16 GiB)

Explanation

With the new bursting disks you can achieve up to 30 times the provisioned bandwidth, which will give better performance for spiky workloads. Disk bursting is based on a credit system. You will receive bursting credits when traffic is below the provisioned limit. Let me try to explain it using a simple chart.

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