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add explicit warning about Azure ReadWrite disk caching #421

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nwoolmer merged 1 commit into from
Apr 20, 2026
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add explicit warning about Azure ReadWrite disk caching #421

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8 changes: 8 additions & 0 deletions documentation/deployment/azure.md
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Expand Up @@ -53,6 +53,14 @@ compilation and SIMD optimizations are limited on ARM. Use `x86_64` instances.

### Storage

:::caution

Be extremely cautious when enabling [Disk Caching](https://learn.microsoft.com/en-us/azure/virtual-machines/premium-storage-performance#disk-caching). You should not use `ReadWrite` caching for the database files under any circumstances, as it breaks the consistency guarantess that the database relies on. Microsoft explicitly discourages its use for [database deployments](https://learn.microsoft.com/en-us/azure/azure-sql/virtual-machines/windows/storage-configuration?view=azuresql&utm_source=chatgpt.com&tabs=windows2016#new-vms).

Failing to follow this instruction may put your data at risk of corruption,

:::

**Premium SSD v2 (recommended):**

| Workload | Size | IOPS | Throughput |
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