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TDSQL-C for MySQL
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    Creating Serverless Cluster

    Last updated: 2024-04-25 12:16:40
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      This document describes how to create a serverless cluster in the TDSQL-C for MySQL console.

      Prerequisite

      To make a purchase, you need to complete identity verification first. For more information, see Identity Verification Guide.

      Directions

      1. Log in to the purchase page and complete the Database Configuration settings.
      Parameter
      Description
      Instance Mode
      Select Serverless.
      Database Engine
      Select MySQL.
      Region
      Select a region for database deployment.
      Currently, the serverless billing mode is supported only in Guangzhou, Shanghai, Beijing, Nanjing, Hong Kong (China), Silicon Valley, Virginia, Singapore,Tokyo and Seoul regions. If you need to use it in other regions, submit a ticket for assistance.
      Source AZ
      Select an AZ for deployment. Specific AZs in the selected region are shown on the actual purchase page.
      Multi-AZ Deployment
      Select whether to enable multi-AZ deployment. If Yes is chosen, the option for a secondary availability zone will appear.
      Secondary Availability Zone
      By default, this feature is disabled. Upon enabling multi-AZ deployment, you may select your standby availability zone. For regions and availability zones that support multi-AZ deployment, please refer to the Multi-AZ Deployment section. For the most up-to-date supported regions and availability zones, see the purchase page for accurate information.
      Transfer Linkage
      It is "High IO" by default.
      Network‍
      For performance and security considerations, only VPC network is supported currently. CVM instances can communicate with TDSQL-C instances only in the same VPC.
      Database Version
      MySQL 5.7 and 8.0 are supported.
      Serverless Architecture
      Supports the selection of either a Single-Node or Cluster architecture.
      Single-node architecture: The cluster contains only one read-write instance. After purchase, you can switch to a Cluster architecture by adding read-only instances through configuration adjustments in the console.
      Cluster architecture: The cluster comprises one read-write instance and 1 to 8 optional read-only instances.
      Compute Unit
      Select the upper and lower limits of the TDSQL-C compute unit (CCU), and the instance will be automatically and elastically scaled within the selected resource range.
      CCU is the computing and billing unit for the serverless mode. A CCU is approximately equal to 1 CPU core and 2 GB memory. The number of CCUs used in each billing cycle is the greater of the number of CPU cores used by the database and 1/2 of the memory size. For more information, see Compute Unit.
      Single-node architecture: It is only necessary to configure the computational power range for the read-write instance.
      Cluster architecture: It is required to configure the computational power range for the read-write instance, select the number of read-only instances within the read-only group (1 - 8), and set the computational power range for the read-only instances.
      Auto-Pause
      Configure the automatic pause time of the instance. If there is no connection to access the database within the set time, the instance will be automatically paused, with billing stopped.
      2. Complete the Specification Billing configuration and click Next.
      Note:
      Total serverless cluster fees = compute node fees + storage space fees = serverless computing power price number of CCUs + storage space price storage space.
      Parameter
      Description
      Compute Billing Mode
      Resource pack (monthly subscription) and pay-as-you-go billing are supported.
      The compute resource pack will be used preferably for the deduction of actual usage of pay-as-you-go products. When the pack is used up, the resource usage will be pay-as-you-go. Compute resource packs are deducted based on the actual CCU used per second. The resource pack mode is more cost-effective and flexible than the pay-as-you-go option.
      Compute resource pack (displayed when selecting Resource Pack in the compute billing mode)
      You can bind all valid compute resource packs available in the selected region under the current account. If no resource pack is available, you can purchase a resource package first.
      Storage Billing Mode
      Resource pack (monthly subscription) and pay-as-you-go billing are supported.
      ‌The storage resource pack will be used preferably for the deduction of actual usage of pay-as-you-go products. When the pack is used up, the resource usage will be pay-as-you-go. Storage resource packs are deducted based on the actual storage used per hour. The resource pack mode is more cost-effective and flexible than the pay-as-you-go option.
      Storage resource pack (displayed when selecting Resource Pack in the storage billing mode)
      You can bind all valid storage resource packs available in the selected region under the current account. If no resource pack is available, you can purchase a resource package first.
      3. Select the number of clusters. You can batch purchase multiple clusters of the same specification. Then, click Next.
      4. Complete the Basic Info and Advanced Configuration settings, confirm the fees, and click Buy Now.
      Basic Info
      Parameter
      Description
      Cluster Name
      Set a name for the cluster now or later. It must contain less than 60 letters, digits, or symbols (-_.).
      Admin Username
      It is root by default.
      Password
      The password can contain 8–64 characters in at least three of the following character types: uppercase letters, lowercase letters, digits, and symbols ~!@#$%^&*_-+=|\\(){}[]:;',.?/.
      Default Character Set
      UTF8, GBK, LATIN1, and UTF8MB4 are supported.
      Custom Port
      It is 3306 by default and can be customized.
      Advanced Configuration
      Parameter
      Description
      Security Group
      Select or create a security group.
      Parameter Template
      Select or create a parameter template.
      Table Name Case Sensitivity
      Select Case-Insensitive or Case-Sensitive.
      Project
      Specify a project for the cluster to be created.
      Alarm Policy
      Select or create an alarm policy.
      Tag
      Add a tag to facilitate resource categorization and management.
      Terms and Conditions
      Read and indicate your consent to the terms and conditions.
      5. After the purchase is completed, you will be redirected to the cluster list. After the status of the cluster becomes Running, it can be used normally.
      Note:
      If only the compute resource pack is bound, the compute nodes of the serverless cluster will be deducted by using the bound compute resource pack, while the storage nodes will be billed on a pay-as-you-go basis.
      If only the storage resource pack is bound, the storage nodes of the serverless cluster will be deducted by using the bound storage resource pack, while the compute nodes will be billed on a pay-as-you-go basis.
      If both the compute and storage resource packs are bound, both the compute and storage nodes of the serverless cluster will be deducted by using the bound compute and storage resource packs.
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