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            Help Center/Data Warehouse Service/FAQs/Cluster Management
            Updated on 2025-10-11 GMT+08:00
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            Cluster Management

            • How Can I Clear and Reclaim the DWS Storage Space?
            • Why Does the Used Storage Capacity of DWS Decrease Significantly After Scale-Out?
            • How Is the Disk Space or Capacity of DWS Calculated?
            • How Do I Set the Session Threshold When Creating Alarm Rules for DWS in Cloud Eye?
            • How Do I Determine Whether a DWS Cluster Uses the x86 or Arm Architecture?
            • How Do I Do If the DWS Scale-Out Check Fails?
            • How Do I Determine Whether to Add CNs to a DWS Cluster or Scale Out the Cluster?
            • How Do I Determine When to Perform Node Flavor Change, All Specification Change, Scale-Out, or Scale-In for DWS?
            • How Do I Choose Between a Small-Specification Multi-Node DWS Cluster and a Large-Specification Three-Node DWS Cluster with Identical CPU Cores and Memory?
            • What Are the Differences Between DWS Cloud SSDs and Local SSDs?
            • What Are the Differences Between Hot Data Storage and Cold Data Storage in DWS?
            • How Do I Do If the DWS Scale-In Button Is Unavailable?

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