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Copy file name to clipboardExpand all lines: articles/storage/blobs/archive-cost-estimation.md
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@@ -56,19 +56,19 @@ If you use the [Set Blob Tier](/rest/api/storageservices/set-blob-tier) operatio
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You can calculate the storage costs by multiplying the <u>size of the data</u> in GB by the <u>price of archive storage</u>.
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For example (assuming the sample pricing), if you plan to store 10 TB archived blobs, the capacity cost is $0.00099 * 10 * 1024 = $10.14 per month.
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For example (assuming the sample pricing), if you plan to store 10 TB archived blobs, the capacity cost is $0.002 * 10 * 1024 = $20.48 per month.
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#### The cost to rehydrate
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Blobs in the archive tier are offline and can't be read or modified. To read or modify data in an archived blob, you must first rehydrate the blob to an online tier (either the hot cool, or cold tier).
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You can calculate the cost to rehydrate data by adding the <u>cost to retrieve data</u> to the <u>cost of reading the data</u>.
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Assuming sample pricing, the cost of retrieving 1 GB of data from the archive tier would be 1 * $0.02 = $0.02.
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Assuming sample pricing, the cost of retrieving 1 GB of data from the archive tier would be 1 * $0.022 = $0.022.
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Read operations are billed per 10,000. Therefore, if the cost per 10,000 operations is $5.00, then the cost of a single operation is $5.00 / 10,000 = $0.0005. The cost of reading 1000 blobs at standard priority is 1000 * $0.0005 = $0.50.
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Read operations are billed per 10,000. Therefore, if the cost per 10,000 operations is $5.50, then the cost of a single operation is $5.50 / 10,000 = $0.00055. The cost of reading 1000 blobs at standard priority is 1000 * $0.0005 = $0.50.
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In this example, the total cost to rehydrate (retrieving + reading) would be $0.02 + $0.50 = $0.52.
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In this example, the total cost to rehydrate (retrieving + reading) would be $0.022 + $0.50 = $0.52.
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> [!NOTE]
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> If you set the rehydration priority to high, then the data retrieval and read rates increase.
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> [!TIP]
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> To model your costs, open the **Choose Tiers** tab of this [workbook](https://azure.github.io/Storage/docs/backup-and-archive/azure-archive-storage-cost-estimation/azure-archive-storage-cost-estimation.xlsx). You can update the prices and values in that worksheet to estimate your costs.
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The following chart shows the impact on monthly spending given various read percentages. This chart assumes a monthly ingest of 1,000,000 files totaling 10,240 GB in size.
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For example, the second pair of bars assumes that workloads read 100,000 files (**10%** of 1,000,000 files) and 1,024 GB (**10%** of 10,240 GB). Assuming the sample pricing, the estimated monthly cost of cool storage is **$175.99** and the estimated monthly cost of archive storage is **$90.62**.
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This chart shows a break-even point at or around the 25% read level. After that level, the cost of archive storage begins to rise relative to the cost of cool storage.
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The following chart shows the impact on monthly spending given various read percentages. This chart assumes a monthly ingest of 1,000,000 files totaling 10,240 GB in size. Assuming sample pricing, this chart shows a break-even point at or around the 25% read level. After that level, the cost of archive storage begins to rise relative to the cost of cool storage.
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> [!div class="mx-imgBorder"]
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