Help Center
DCS Redis Help Documentation
Product Introduction
Overview
Product Advantages
Application Scenarios
Feature Overview
Instance Type
Overview
Differences among Instance Types
Stand-Alone
Active/Standby
Single-Node Cluster
Active/Standby Cluster
Single-Node Cluster
Active/Standby Cluster
Differences between Product Specifications
Differences between Redis Versions
Differences between Redis Enhanced Version and Basic Version
Instance Specifications
Redis 2.8/4.0/5.0 Instances
Redis 6.0/7.0 Instances
Open-Source Command Compatibility
Commands Supported and Disabled by Redis 6.0/7.0
Redis 2.8/4.0/5.0 Open-Source Command Compatibility
Supported and Disabled Commands in Web CLI
Command Restrictions
Instance Command Restrictions
Security
Authentication and Access Control
Data Protection Technologies
Disaster Recovery Policies
Single-AZ HA Within a Resource Pool
Cross-AZ DR Within a Resource Pool
Data Replication
Security Risk Monitoring
Managing Permissions of Master Accounts, Sub-accounts and IAM
Terms
Relationships with Other Services
Billing
Billing Items
Billing Mode
Renewals, Expirations, and Overdue Payments
Unsubscribe
Getting Started
Introduction
Preparing the Environment
Create Instance
Connecting to the Instance
Usage Notes
User Guide
Before You Start
Managing and Using DCS
Introduction to the DCS Redis Console
Limitations
Permission management
Creating a User and Granting Redis Permissions
Create a Redis Custom Policy
Instance Lifecycle Management
Create Instance
Scale Up
Change the type
Unsubscribe
Switching between Pay-as-you-go and Subscription-based
Instance Configuration Management
Modify Configuration Parameters
Modifying an Instance Security Group
Binding an EIP
Modifying Maintenance Time
Creating and Managing an Account
Strong Consistency Configuration
Frontend Configuration
Slow Query Logs
Querying Running Logs
Instance Trustlist Configuration
Instance Tag Configuration
Cache Analysis
Big Key and Hot Key Analysis
Scanning Expired Keys
SSL Settings
Session Management
Connecting to the Instance
Access Restrictions
Redis Login Methods
Viewing the Connection Address
Accessing with redis-cli
Accessing through the Console
Accessing on Clients
Accessing a Redis Instance over the Internet
Operating DCS Instances
Viewing Instance Information
Viewing Redis Cluster Information
Viewing Access Cluster Information
Active/Standby Switchover
Delete Instance Data
Restarting a Module
Instance Backup and Restoration Management
Instructions for Backup and Restoration
Setting a Backup Policy
Manually Backing Up an Instance
Backup and Restoration
Password Management
Instructions on DCS Instance Passwords
Resetting Instance Passwords
Product Monitoring
Instance Metric Monitoring
Top Key Analysis
Scanning Expired Keys
Basic Metric
Node Metric
Client Session
Offline Full Key Analysis
Redis Resource Monitoring
Node Status Monitoring
Frontend Monitoring
Alarm Settings
Application Data Management
Data Migration Guide
Online Migration from Another Cloud
Offline Migration of Redis Cluster from Another Cloud with RedisShake
Migrating Data from Self-Hosted Redis to CT-DCS
Self-Hosted Redis Migration with Redis-cli (AOF)
Self-Hosted Redis Migration with Redis-cli (RDB)
Self-Hosted Redis Cluster Migration with RedisShake
Migration FAQs
Best Practices
Specifications on Using Redis
Inventory Control for Flash Sales
Distributed Sessions
Distributed Locks
Hotspot Data Storage
Ranking Function
Real-Time Counter
Discovery and Handling of Major and Hot Keys
Redis Clients Connected to Redis Through CCSE
Redis Client Retry
Public Network Access over an EIP
Optimizing the Jedis Connection Pool
FAQs
Instance Type/Version
Version Differences
New Features of Redis 4.0
New Features of Redis 5.0
New Features of Redis 6.0
New Features of Redis 7.0
Purchase and Billing
FAQs About Purchase and Billing
Why Can't an IAM User See a New DCS Redis Instance?
Product Features
FAQs About Product Features
What Is the Difference Between DCS Redis and Open Source Redis?
What Are the Basic Monitoring Metrics?
Is Data Persistence Supported?
Operations on Console:
FAQs About Console
What Are the Supported Instance Types?
Redis Usage
FAQs About Redis Usage
What Are the Common Error Codes for a Cluster Client?
Why Does Error Code 20010004 Appear During Command Execution?
What Are the Disk Flushing Policies of Redis?
Do DCS Redis Instances Limit the Size of a Key or Value?
Can I Recover Deleted Data of a DCS Instance?
Why Is CPU Usage of a DCS Redis Instance 100%?
Why Does a Key Disappear in Redis?
Does Redis Support SSL Encrypted Transmission?
How Do I Disable SSL for a Redis Instance?
Why Is the Capacity or Performance of a Shard of a Redis Cluster Instance Overloaded when That of the Instance Is Still Below the Bottleneck?
What Clients Can I Use for Redis Clusters in Different Programming Languages?
Network and Connection
FAQs About Network and Connection
How Do I Check the Network Connection Between an ECS and a Redis Instance?
Troubleshooting of Redis Connection Problems
How Do I Access a Redis Instance Through Redis Desktop Manager?
How Do I Configure a Security Group?
How Do I Use the telnet Command to Check the Connection to the Service Port of Redis?
What Should Be Noted When Using Redis for Pub/Sub?
How Do I Check the Network Connection Between an ECS and a Redis Instance?
What Can I Do If a Lettuce 6.x Client Have Authentication Errors?
Expansion and Type Change
Active/Standby Switchover
Monitoring and Alarms
Redis Commands
Big/Hot Key Analysis and Expired Key Scan
Agreements
eSurfing Cloud Distributed Cache Service Agreement
Distributed Message Service for Redis Service Level Agreement
Help Center
DCS Redis Help Documentation
Agreements
eSurfing Cloud Distributed Cache Service Agreement
eSurfing Cloud Distributed Cache Service Agreement
2024-08-09 03:44:57
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