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  "description": "Microsoft Fabric's OneLake introduces storage tiers (hot, cool, cold) and updates operation reporting by including tier names, consolidating proxy/redirect operations, and grouping by workspace in the Capacity Metrics app. Billing rates remain unchanged. Changes start April 1, 2026; item-level de...",
  "path": "/m365-message-center/message/mc1259829/",
  "publishedAt": "2026-03-24T01:00:05.000Z",
  "site": "https://blog.tophhie.cloud",
  "tags": [
    "Fabric Capacity Metrics app",
    "configure OneLake diagnostics",
    "OneLake compute consumption",
    "Install the Microsoft Fabric capacity metrics app | Microsoft Fabric | Microsoft Learn",
    "OneLake compute and storage consumption | OneLake | Microsoft Fabric | Microsoft Learn",
    "OneLake diagnostics | OneLake | Microsoft Fabric | Microsoft Learn",
    "Microsoft Fabric Roadmap",
    "OneLake, the OneDrive for data | OneLake | Microsoft Fabric | Microsoft Learn"
  ],
  "textContent": "**[Introduction]**\n\nWe're introducing **OneLake storage tiers**(hot, cool, and cold) in _Microsoft Fabric_. As part of this rollout, we are updating how OneLake compute operations appear in your capacity billing. These updates improve clarity and align reporting with the new storage tier model. **There is no change to billing rates.**\n\n_Key updates include_\n\n  * **Operation names include the storage tier.** For example, “ _OneLake Read via Proxy_ ” becomes “ _OneLake Read (Hot)_.”\n  * **Proxy and Redirect operations are consolidated.** Operations previously reported separately will appear under a single operation name. Because consumption rates are the same, this has **no billing impact**.\n  * **Operations are reported at the workspace level.** A new OneLake item in the __ Fabric Capacity Metrics app groups operations by workspace instead of individual items. For item-level detail, use OneLake diagnostics to understand usage across Fabric and non-Fabric workloads.\n\n\n\nUnits of measure and consumption rates remain unchanged.\n\n**[When this will happen]**\n\n  * Operation name updates **begin April 1, 2026**.\n  * Operation consolidation and Metrics app updates will roll out over the following weeks.\n\n\n\n**[How this affects your organization]**\n\n_Who is affected_\n\n  * All organizations using Microsoft Fabric with OneLake storage and capacity billing\n\n\n\n _What will happen_\n\n  * **Operation names** will include the applicable storage tier (for example, “Hot”):\n  * **Proxy and Redirect operations** will appear under a single consolidated operation name:\n  * **OneLake operations** will be grouped by workspace under a new OneLake item in the Fabric Capacity Metrics app.\n  * **Item-level compute reporting** will move to OneLake diagnostics.\n\n\n\nThe following example illustrates how the report now appears:\n\nThere is **no change** to billing rates or your total costs.\n\n_Operation name changes:_\n\n**[What you can do to prepare]**\n\n  * **Review any custom analytics or automation.** Update operation names in reports, dashboards, and scripts to align with the new naming convention **before April 1, 2026**.\n  * **Plan for workspace-level reporting.** If you rely on item-level operation details in the _Capacity Metrics app_ , configure OneLake diagnostics to maintain that granularity.\n  * Review the documentation for OneLake compute consumption in _Microsoft Fabric_.\n  * Share with your helpdesk and reporting teams if they monitor capacity or cost analytics.\n\n\n\nNo other action is required.\n\n**Learn more:**\n\n  * Install the Microsoft Fabric capacity metrics app | Microsoft Fabric | Microsoft Learn\n\n  * OneLake compute and storage consumption | OneLake | Microsoft Fabric | Microsoft Learn\n  * OneLake diagnostics | OneLake | Microsoft Fabric | Microsoft Learn\n  * **OneLake storage tiers** - Microsoft Fabric Roadmap\n  * OneLake, the OneDrive for data | OneLake | Microsoft Fabric | Microsoft Learn\n\n\n\n**[Compliance considerations]**\n\nNo compliance considerations identified. Review as appropriate for your organization.\n\n**[Support]**\n\nFor assistance, contact your Microsoft account team or visit Microsoft Fabric support.",
  "title": "MC1259829: Changes to OneLake operation reporting in Microsoft Fabric",
  "updatedAt": "2026-03-24T01:00:05.358Z"
}