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Tiered storage configuration optimization

Updated at: 2025-03-14 18:10
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MaxCompute enables you to configure storage tiers for tables or partitions to optimize costs. It offers a feature for tiered storage configuration optimization, which assesses potential for cost reduction in the current region, based on either the default or a custom policy, by analyzing the recent access times of tables. This helps you set up tiered storage policies more effectively.

Function principle

MaxCompute evaluates whether the storage tier of a table or partition can be adjusted from Standard to IA or to long-term storage, based on the default optimization policy or a custom policy, and the recent access time. It then calculates the potential storage cost savings using the storage fees.

Published regions

This feature is available in multiple regions, including China (Hangzhou, Shanghai, Beijing, Shenzhen, Chengdu, Zhangjiakou, Ulanqab, Hong Kong), Japan (Tokyo), Singapore, Malaysia (Kuala Lumpur), Indonesia (Jakarta), and Germany (Frankfurt).

Precautions

  • The feature only considers the storage sizes of tables or partitions. The calculated values may differ from your bill, as it does not account for the storage sizes of other objects, such as recycle bins, resources, and temporary files.

  • Estimations are provided only for storage tier changes from Standard to IA or long-term storage, and from IA to long-term storage. Changes from long-term to Standard or IA storage, or from IA to Standard storage, are not estimated.

  • The cost savings of the default policy assume that IA or long-term storage will not be accessed. Accessing these storage tiers incurs additional fees. Please consider this carefully before optimizing.

Procedure

Default policy cost estimation

  1. Access the Tiered Storage Configuration Optimization page.

    1. Log on to the MaxCompute console and select a region in the upper-left corner.

    2. In the left-side navigation pane, select Intelligent Optimization > Tiered Storage Configuration Optimization to access the Tiered Storage Configuration Optimization page.

  2. View the Storage Cost Optimization Overview.

    Here, you can see the estimated storage cost savings after changing the storage tier based on the default policy, and the projects are listed in descending order of estimated cost savings. This helps you quickly identify which project has the highest potential for cost reduction.

  3. View the project-level Storage Cost Optimization Details. You can see:

    • The estimated storage cost savings for the project after changing the storage tier based on the default policy.

    • Details such as the name, storage capacity, last access time, current and recommended storage tiers, and estimated cost savings for tables or partitions that can be optimized. Those with estimated cost savings less than CNY 0.000001 are not shown.

  4. Configure tiered storage. For more information, see tiered storage.

Custom policy cost estimation

  1. Access the Tiered Storage Configuration Optimization page.

    1. Log on to the MaxCompute console and select a region in the upper-left corner.

    2. In the left-side navigation pane, select Intelligent Optimization > Tiered Storage Configuration Optimization to access the Tiered Storage Configuration Optimization page.

  2. Initiate a custom policy cost estimation.

    1. Select Optimization Evaluation Policy as Custom Policy.

    2. Choose the project you want to evaluate.

    3. Enter the tiered storage transformation policy you want to evaluate.

    4. Click Cost Change Estimation and wait for the estimation to complete.

  3. View the project-level Storage Cost Optimization Details. You can see:

    • The estimated changes in storage and access costs for the project after the storage tier change based on the custom policy.

    • Details such as the name, storage capacity, last access time, data volume accessed in the last 30 days, current storage tier, estimated transformation type, estimated storage and access cost changes, and overall cost change for tables or partitions expected to undergo storage tier changes. Tables or partitions with estimated cost changes less than CNY 0.000001 are not shown.

  4. Configure tiered storage. For more information, see storage resources - tiered storage.

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  • On this page （1）
  • Function principle
  • Published regions
  • Precautions
  • Procedure
  • Default policy cost estimation
  • Custom policy cost estimation
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