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Distributed Cache Service

  • Service Overview
  • Permissions Management
  • Getting Started
  • Operating DCS Instances
  • Managing DCS Instances
  • Backing Up and Restoring DCS Instances
  • Migrating Data with DCS
  • Managing Passwords
  • Parameter Templates
  • Monitoring
  • Auditing
  • Data Migration Guide
  • FAQs
    • Client and Network Connection
    • Redis Usage
      • Why Is CPU Usage of a DCS Redis Instance 100%?
      • Can I Change the VPC and Subnet for a DCS Redis Instance?
      • Why Aren't Security Groups Configured for DCS Redis 4.0 and Later Instances?
      • Do DCS Redis Instances Limit the Size of a Key or Value?
      • Can I Obtain the Addresses of the Nodes in a Cluster DCS Redis Instance?
      • Why Is Available Memory Smaller Than Instance Cache Size?
      • Does DCS for Redis Support Multiple Databases?
      • Does DCS for Redis Support Redis Clusters?
      • Does DCS for Redis Support Sentinel?
      • What Is the Default Data Eviction Policy?
      • What Should I Do If an Error Occurs in Redis Exporter?
      • Why Is Redisson Distributed Lock Not Supported by DCS Proxy Cluster Redis 3.0 Instances?
      • Can I Customize or Change the Port for Accessing a DCS Instance?
      • Can I Modify the Connection Addresses for Accessing a DCS Instance?
      • Does DCS Support Cross-AZ Deployment?
      • Why Does It Take a Long Time to Start a Cluster DCS Instance?
      • Does DCS for Redis Provide Backend Management Software?
      • Can I Recover Data from Deleted DCS Instances?
      • Why Is "Error in execution" Returned When I Access Redis?
      • Why Does a Key Disappear in Redis?
      • Explaining and Using Hash Tags
      • Will Cached Data Be Retained After an Instance Is Restarted?
    • Redis Commands
    • Instance Scaling and Upgrade
    • Monitoring and Alarm
    • Data Backup, Export, and Migration
    • Big/Hot Key Analysis and Expired Key Scan
    • Master/Standby Switchover
  • Glossary
  • Change History
  • User Guide
  • FAQs
  • Redis Usage

Redis Usage¶

  • Why Is CPU Usage of a DCS Redis Instance 100%?

  • Can I Change the VPC and Subnet for a DCS Redis Instance?

  • Why Aren't Security Groups Configured for DCS Redis 4.0 and Later Instances?

  • Do DCS Redis Instances Limit the Size of a Key or Value?

  • Can I Obtain the Addresses of the Nodes in a Cluster DCS Redis Instance?

  • Why Is Available Memory Smaller Than Instance Cache Size?

  • Does DCS for Redis Support Multiple Databases?

  • Does DCS for Redis Support Redis Clusters?

  • Does DCS for Redis Support Sentinel?

  • What Is the Default Data Eviction Policy?

  • What Should I Do If an Error Occurs in Redis Exporter?

  • Why Is Redisson Distributed Lock Not Supported by DCS Proxy Cluster Redis 3.0 Instances?

  • Can I Customize or Change the Port for Accessing a DCS Instance?

  • Can I Modify the Connection Addresses for Accessing a DCS Instance?

  • Does DCS Support Cross-AZ Deployment?

  • Why Does It Take a Long Time to Start a Cluster DCS Instance?

  • Does DCS for Redis Provide Backend Management Software?

  • Can I Recover Data from Deleted DCS Instances?

  • Why Is "Error in execution" Returned When I Access Redis?

  • Why Does a Key Disappear in Redis?

  • Explaining and Using Hash Tags

  • Will Cached Data Be Retained After an Instance Is Restarted?

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last updated: 2025-06-16 13:23 UTC - commit: 5832be8bdb09a6c08dee28549aee7c97d2178fb2
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  • Redis Usage
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