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          • Scaling Options for GaussDB(DWS) with a Coupled Storage-Compute Architecture - GaussDB(DWS)

            Scaling Options for GaussDB(DWS) with a Coupled Storage-Compute Architecture - GaussDB(DWS)

            EVS provides storage resources. An EVS disk is attached to each DN. All ECSs in a GaussDB(DWS) cluster are within the same VPC to ensure high-speed connections between them.

            Help > GaussDB(DWS) > Best Practices > Cluster Management
          • Does a GaussDB(DWS) Snapshot Have the Same Function as an EVS Snapshot? - GaussDB(DWS)

            Does a GaussDB(DWS) Snapshot Have the Same Function as an EVS Snapshot? - GaussDB(DWS)

            For details, see section "EVS Snapshot (OBT)" in the Elastic Volume Service Product Description. Parent topic: Backup and Restoration

            Help > GaussDB(DWS) > User Guide(ME-Abu Dhabi Region) > FAQs > Backup and Restoration
          • Backup and Restoration - GaussDB(DWS)

            Backup and Restoration - GaussDB(DWS)

            Does a GaussDB(DWS) Snapshot Have the Same Function as an EVS Snapshot?

            Help > GaussDB(DWS) > FAQs
          • DWS 3.0 Decoupled Storage and Compute Usage Suggestions and Performance Optimization - GaussDB(DWS)

            DWS 3.0 Decoupled Storage and Compute Usage Suggestions and Performance Optimization - GaussDB(DWS)

            Recommended EVS disk space: Utilizing the aforementioned algorithm can be complex. It is advisable to configure the total EVS disk space to match the total data volume after compression, assuming a compression ratio of 5x.

            Help > GaussDB(DWS) > Best Practices > Decoupled Storage and Compute
          • Does a GaussDB(DWS) Snapshot Have the Same Function as an EVS Snapshot? - GaussDB(DWS)

            Does a GaussDB(DWS) Snapshot Have the Same Function as an EVS Snapshot? - GaussDB(DWS)

            For more information about snapshots, see EVS Snapshots. Parent topic: Backup and Restoration

            Help > GaussDB(DWS) > FAQs > Backup and Restoration
          • Disk Capacity Expansion of an EVS Cluster - GaussDB(DWS)

            Disk Capacity Expansion of an EVS Cluster - GaussDB(DWS)

            Disk Capacity Expansion of an EVS Cluster Context As customer services evolve, disk space often becomes the initial bottleneck. In scenarios where other resources are ample, the conventional scale-out process is not only time-consuming but also resource-inefficient.

            Help > GaussDB(DWS) > User Guide > GaussDB(DWS) Cluster O&M > Changing GaussDB(DWS) Cluster Specifications
          • Before You Start: High Availability and Reliability Requirements - GaussDB(DWS)

            Before You Start: High Availability and Reliability Requirements - GaussDB(DWS)

            to the CNs, which then send it back to the application. 3 OS layer OS installed for GaussDB(DWS) clusters This layer provides the running foundation, OS, file system, and network services for GaussDB(DWS). 4 VM layer VM where GaussDB(DWS) clusters are located This layer provides EVS

            Help > GaussDB(DWS) > User Guide > Creating a GaussDB(DWS) Cluster
          • Learn How to Select a GaussDB(DWS) Region and AZ - GaussDB(DWS)

            Learn How to Select a GaussDB(DWS) Region and AZ - GaussDB(DWS)

            Each region has its own shared public services (ECS, EVS, OBS, VPC, EIP, and IMS). Regions are either common or dedicated. A common region provides common cloud services available to all tenants.

            Help > GaussDB(DWS) > FAQs > Product Consulting
          • Solution to High Disk Usage and Cluster Read-Only - GaussDB(DWS)

            Solution to High Disk Usage and Cluster Read-Only - GaussDB(DWS)

            Cloud data warehouse + SSD cloud disk: Expand the disk capacity by referring Disk Capacity Expansion of an EVS Cluster.

            Help > GaussDB(DWS) > Troubleshooting > Cluster Performance
          • How Do I Determine When to Perform Node Flavor Change, All Specification Change, Scale-Out, or Scale-In for GaussDB(DWS)? - GaussDB(DWS)

            How Do I Determine When to Perform Node Flavor Change, All Specification Change, Scale-Out, or Scale-In for GaussDB(DWS)? - GaussDB(DWS)

            Elastic specification change is supported only for storage-compute coupled clusters that use ECSs and EVS disks. You can choose Change node flavor to enable elastic specification change.

            Help > GaussDB(DWS) > FAQs > Cluster Management
          • What Are the Differences Between GaussDB(DWS) Cloud SSDs and Local SSDs? - GaussDB(DWS)

            What Are the Differences Between GaussDB(DWS) Cloud SSDs and Local SSDs? - GaussDB(DWS)

            The differences between cloud SSDs and local SSDs are as follows: Cloud SSDs Cloud SSDs use EVS as storage media and can be scaled out as data grows. This is more flexible. Cloud SSDs are not bound to the ECS flavor.

            Help > GaussDB(DWS) > FAQs > Cluster Management
          • Changing GaussDB(DWS) Cluster Specifications - GaussDB(DWS)

            Changing GaussDB(DWS) Cluster Specifications - GaussDB(DWS)

            Changing GaussDB(DWS) Cluster Specifications Using the Elastic Specification Change Changing All Specifications Disk Capacity Expansion of an EVS Cluster Parent Topic: GaussDB(DWS) Cluster O&M

            Help > GaussDB(DWS) > User Guide > GaussDB(DWS) Cluster O&M
          • Bills - GaussDB(DWS)

            Bills - GaussDB(DWS)

            Similarly, you can calculate the EVS list price for the other periods. Discounted Amount Discounts offered for cloud services, for example, commercial discounts, partner authorized discounts, and promotional discounts. It is the discounted amount based on the list price.

            Help > GaussDB(DWS) > Billing
          • Restoring a GaussDB(DWS) Cluster Snapshot - GaussDB(DWS)

            Restoring a GaussDB(DWS) Cluster Snapshot - GaussDB(DWS)

            Extreme SSD and Extreme SSD V2 can only be selected for clusters that use ECS for computing and EVS for storage. You can modify cluster parameters. For details, see Table 1. The values of other parameters are the same as those of the original cluster by default.

            Help > GaussDB(DWS) > User Guide > GaussDB(DWS) Cluster O&M > Backing Up and Restoring a GaussDB(DWS) Cluster > Restoring a GaussDB(DWS) Cluster
          • Syntax of Fine-Grained Permission Policies - GaussDB(DWS)

            Syntax of Fine-Grained Permission Policies - GaussDB(DWS)

            *:get*", "evs:*:list*", "evs:*:create*", Supported: Projects Enterprise projects Deleting a DR backup "dws:disasterRecovery:delete" "dws:*:get*", "dws:*:list*", "ecs:*:get*", "ecs:*:list*", "ecs:*:delete*", "vpc:*:get*", "vpc:*:list*", "vpc:*:delete*", "evs:*:get*", "evs:*:list*"

            Help > GaussDB(DWS) > User Guide > Preparations
          • Backup and Restoration - GaussDB(DWS)

            Backup and Restoration - GaussDB(DWS)

            Does a GaussDB(DWS) Snapshot Have the Same Function as an EVS Snapshot? Parent topic: FAQs

            Help > GaussDB(DWS) > User Guide(ME-Abu Dhabi Region) > FAQs
          • How Do I Determine Whether a GaussDB(DWS) Cluster Uses the x86 or Arm Architecture? - GaussDB(DWS)

            How Do I Determine Whether a GaussDB(DWS) Cluster Uses the x86 or Arm Architecture? - GaussDB(DWS)

            48 384 Arm ECS/storage-compute decoupling EVS dws2.m6.4xlarge.8 16 128 x86 ECS/EVS dws2.m6.8xlarge.8 32 256 x86 ECS/EVS dws2.m6.16xlarge.8 64 512 x86 ECS/EVS dws2.km1.4xlarge.8 16 128 Arm ECS/EVS dws2.km1.6xlarge.8 24 192 Arm ECS/EVS dws2.km1.8xlarge.8 32 256 Arm ECS/EVS dws2.km1.12xlarge

            Help > GaussDB(DWS) > FAQs > Cluster Management
          • Changing All Specifications - GaussDB(DWS)

            Changing All Specifications - GaussDB(DWS)

            Extreme SSD and Extreme SSD V2 can only be selected for clusters that use ECS for computing and EVS for storage. Read the nodes and select Confirmed. Click Resize Cluster Now. Click Submit.

            Help > GaussDB(DWS) > User Guide > GaussDB(DWS) Cluster O&M > Changing GaussDB(DWS) Cluster Specifications
          • Creating a GaussDB(DWS) Custom Policy - GaussDB(DWS)

            Creating a GaussDB(DWS) Custom Policy - GaussDB(DWS)

            *:get*", "evs:*:list*", "evs:*:create*", "evs:*:delete*" ] } ] } Example 2: using wildcard character (*) For example, the following policy has all operation permissions on

            Help > GaussDB(DWS) > User Guide > Preparations
          • How Do I Select a GaussDB(DWS) Region and AZ? - GaussDB(DWS)

            How Do I Select a GaussDB(DWS) Region and AZ? - GaussDB(DWS)

            Each region has its own shared public services (ECS, EVS, OBS, VPC, EIP, and IMS). Regions are either common or dedicated. A common region provides common cloud services available to all tenants.

            Help > GaussDB(DWS) > FAQs > Product Consulting
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