How to Increase an Azure ZCA Resources Properly
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Summary
An administrator may need to increase their Azure ZCA's resources.
Steps
Make sure the proper instance type and size (in the relevant series) is being selected. Some do have more compute resources, but their storage related resources are more limited.
For instance, when upgrading from 'Standard_D4s_v3' (16GB of RAM / 4 vCPUs), it is recommended to upgrade in the same criteria of the instance's series, or better. For instance, upgrade to: 'Standard_D8s_v3' (32GB of RAM / 8 vCPUs), in the same series, rather than the same compute resource in-terms of capacity, but from a different instance series, for instance: 'Standard_B8ms' (Also 32GB of RAM / 8 vCPUs).
But when looking deeper into the specifics, namely the storage throughput and the IOPS, there is a big difference in numbers:
Size | vCPU | Memory: GiB | Temp storage (SSD) GiB | Max data disks | Max cached and temp storage throughput: IOPS / MBps (cache size in GiB) | Max uncached disk throughput: IOPS / MBps |
Standard_D8s_v3 |
|
8 |
32 |
64 |
16 |
16000 / 128 (200) |
12800 / 192 |
Size | vCPU | Memory: GiB | Temp storage (SSD) GiB | Base CPU Perf of VM | Max CPU Perf of VM | Initial Credits | Credits banked / hour | Max Banked Credits | Max data disks | Max cached and temp storage throughput: IOPS / MBps | Max uncached disk throughput: IOPS / MBps | Max NICs |
Standard_B8ms |
8 |
32 |
64 |
135% |
800% |
240 |
81 |
1944 |
16 |
4320 / 50 |
4320 / 50 |
4 |