Quickly Creating an Instance

Last updated:2025-12-23 14:43:10

Quickly Creating an Instance

Last updated: 2025-12-23 14:43:10

Overview
This document describes how to purchase and configure a TencentDB for Redis® instance.
Prerequisites
You have registered a Tencent Cloud account and completed identity verification.
Click here to register a Tencent Cloud account
Click here to complete identity verification.
You have determined a region and AZ for the instance. For more information, see Regions and AZs.
You have determined the specification and performance requirements of the instance. For more information, see Memory Edition (Standard Architecture) and Performance.
You have determined a VPC and security group for the instance. For more information, see Virtual Private Cloud and Configuring Security Groups for TencentDB.
To deploy the instance across multiple AZs in the same region, learn more about the architecture of multi-AZ deployment first.
To support read/write separation, learn more about how it is implemented first.
You have checked out the billing details of the instance. For more information, see Billing Overview. Database fees for one hour will be frozen when you create a pay-as-you-go database. Make sure that your account balance is sufficient before making a purchase.
Directions
1. Log in to the TencentDB for Redis® purchase page with your Tencent Cloud account.
2. Configure the instance as needed based on the parameter descriptions below:
Parameter
Required
Description
Billing Mode
Yes
Pay-as-you-go is supported. For more information, see Billing Overview.
Region
Yes
Select the region where the instance located, ensuring it matches the region of the CVM instance; otherwise, it cannot communicate directly via the private network.
Instance Edition
Yes
Redis Edition: A high-performance version built upon the open-source Redis storage engine.  
Memcached Edition: A version based on the Memcached storage engine.  
ValKey Edition: A version utilizing the ValKey storage engine.
Compatible Version
Yes
Redis Edition: Compatible with Redis versions 7.0, 6.2, 5.0, 4.0, and 2.8. Please note that Redis 2.8 is no longer available for purchase. We recommend selecting version 4.0 or higher. If you require version 2.8, kindly submit a ticket to request access.
Memcached Edition: Compatible with the Memcached protocol version 1.6.
ValKey Edition: Compatible with ValKey 8.0 version.
Architecture
Yes
Select the product deployment architecture. For detailed information, please refer to：
Redis Edition: Select the standard architecture.
Memcached Edition: Only the cluster architecture is supported.
ValKey Edition: Supports both standard and cluster architectures.
Memory Capacity
Yes
Select the minimum capacity for the standard architecture to quickly experience.
Replica Quantity
Yes
Choose 1 (1 master, 1 replica).
Specs Preview
-
Preview the selected specification and the supported maximum number of connections and maximum network throughput to verify whether they meet your expectations.
Network
Yes
Currently, only VPC is supported.
AZ
Yes
Choose whether to enable multi-availability zone deployment; for a quick experience, this is not required.
IPv4 Network
Yes
Select the VPC and subnet. We recommend that you select the same VPC in the same region as the CVM instance to be connected to.
Port
Yes
Custom port number: keep the default settings.
Redis Memory Edition: The default port number is 6379.
Memcached Edition: The default port number is 11211.
ValKey Edition: The default port number is 6379.
Security Group
Yes
Set security group rules to control the inbound traffic to your database.
Set security group rules to control the inbound traffic to your database. You can either select a security group from the Existing Security Groups drop-down list or click Custom Security Groups to create one and set inbound rules. For more information, see Configuring Security Group.
After selecting a security group from the drop-down list, click Preview Rules to learn about the protocol rules and policies of this security group.
Instance Name
Yes
Supports Chinese, letters, and digits with a length less than 60, including hyphens (-) and underscores (_).
Setting  password 
Yes
Select the authentication method, and select the Passwordless Authentication.
Terms of Service
Yes
Click Terms of Service to fully understand the use of Cloud Database Service content, service fees, usage rules, intellectual property, and other related service terms.
Click Service Level Agreement to understand the agreement that must be complied with when using TencentDB for Redis®.
Check the box I have read and agree to the Terms of Service and Service Level Agreement.
3. After verifying that the parameters are correctly configured, click Buy Now. After the purchase success message is displayed, click Go to Console. After the instance becomes Running in the status , you can use it normally.
Related Operations
Use a CVM instance to directly access the private network address of the TencentDB instance. For more information, see Connecting to TencentDB for Redis® Instance.

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Parameter	Required	Description
Billing Mode	Yes	Pay-as-you-go is supported. For more information, see Billing Overview.
Region	Yes	Select the region where the instance located, ensuring it matches the region of the CVM instance; otherwise, it cannot communicate directly via the private network.
Instance Edition	Yes	Redis Edition: A high-performance version built upon the open-source Redis storage engine. Memcached Edition: A version based on the Memcached storage engine. ValKey Edition: A version utilizing the ValKey storage engine.
Compatible Version	Yes	Redis Edition: Compatible with Redis versions 7.0, 6.2, 5.0, 4.0, and 2.8. Please note that Redis 2.8 is no longer available for purchase. We recommend selecting version 4.0 or higher. If you require version 2.8, kindly submit a ticket to request access. Memcached Edition: Compatible with the Memcached protocol version 1.6. ValKey Edition: Compatible with ValKey 8.0 version.
Architecture	Yes	Select the product deployment architecture. For detailed information, please refer to： Redis Edition: Select the standard architecture. Memcached Edition: Only the cluster architecture is supported. ValKey Edition: Supports both standard and cluster architectures.
Memory Capacity	Yes	Select the minimum capacity for the standard architecture to quickly experience.
Replica Quantity	Yes	Choose 1 (1 master, 1 replica).
Specs Preview	-	Preview the selected specification and the supported maximum number of connections and maximum network throughput to verify whether they meet your expectations.
Network	Yes	Currently, only VPC is supported.
AZ	Yes	Choose whether to enable multi-availability zone deployment; for a quick experience, this is not required.
IPv4 Network	Yes	Select the VPC and subnet. We recommend that you select the same VPC in the same region as the CVM instance to be connected to.
Port	Yes	Custom port number: keep the default settings. Redis Memory Edition: The default port number is 6379. Memcached Edition: The default port number is 11211. ValKey Edition: The default port number is 6379.
Security Group	Yes	Set security group rules to control the inbound traffic to your database. Set security group rules to control the inbound traffic to your database. You can either select a security group from the Existing Security Groups drop-down list or click Custom Security Groups to create one and set inbound rules. For more information, see Configuring Security Group. After selecting a security group from the drop-down list, click Preview Rules to learn about the protocol rules and policies of this security group.
Instance Name	Yes	Supports Chinese, letters, and digits with a length less than 60, including hyphens (-) and underscores (_).
Setting password	Yes	Select the authentication method, and select the Passwordless Authentication.
Terms of Service	Yes	Click Terms of Service to fully understand the use of Cloud Database Service content, service fees, usage rules, intellectual property, and other related service terms. Click Service Level Agreement to understand the agreement that must be complied with when using TencentDB for Redis^®. Check the box I have read and agree to the Terms of Service and Service Level Agreement.

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Overview

Prerequisites

Directions

Related Operations