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    ApsaraDB for Redis

    • Release notes
    • Notices
      • 2020 to present
        • Vulnerability CVE-2021-3711: Buffer overflow vulnerability of OpenSSL
        • Sales of ApsaraDB for Redis hybrid-storage instances are discontinued
        • Announcement: performance monitoring upgraded
        • [Notice] Official version of the audit log feature for ApsaraDB for Redis released
        • The DescribeMonitorItems operation supported by ApsaraDB for Redis is phased out
        • ApsaraDB for Redis 2.8 instances are phased out
        • API operations for cache analysis will be upgraded
        • Upgraded performance monitoring
        • Deprecated alarm metrics in Cloud Monitor
      • Early notification
        • Deprecated standalone instances
    • Product Introduction
      • What is ApsaraDB for Redis?
      • Overview and selection of ApsaraDB for Redis
        • Select ApsaraDB for Redis instances
        • Comparison between ApsaraDB for Redis and self-managed Redis
        • Comparison between ApsaraDB for Redis Enhanced Edition (Tair) and ApsaraDB for Redis Community Edition
        • Feature
        • Scenarios
        • Disaster recovery
      • ApsaraDB for Redis Enhanced Edition (Tair)
        • Overview
        • Performance-enhanced instances
        • Persistent memory-optimized instances
        • Storage-optimized instances
        • Hybrid-storage instances (phased out)
      • Architectures
        • Overview
        • Standard master-replica instances
        • Cluster master-replica instances
        • Read/write splitting instances
        • Features of proxy servers
      • Instance specifications
        • Overview
        • Community Edition
          • Master-replica standard instances
          • Master-replica cluster instances
          • Read/write splitting instances
        • Enhanced Edition
          • Performance-enhanced standard instances
          • Performance-enhanced cluster instances
          • Performance-enhanced read/write splitting instances
        • Cloud Disk Enhanced Edition
          • Persistent memory-optimized instances
          • Storage-optimized instances
        • Phased-out specifications
          • Read/write splitting cluster instances (retired)
          • Hybrid-storage standard instances (retired)
          • Hybrid-storage cluster instances (retired)
          • Retired instance types
      • Commands
        • Overview
        • Commands supported by Community Edition
        • Commands supported by Enhanced Edition
          • Limits on commands supported by ApsaraDB for Redis Enhanced Edition (Tair)
          • New commands supported by performance-enhanced instances of ApsaraDB for Redis Enhanced Edition (Tair)
          • CAS and CAD commands
          • TairString commands
          • TairHash commands
          • TairGIS commands
          • TairBloom commands
          • TairDoc commands
          • TairZSET commands
        • Redis commands developed by Alibaba Cloud
        • Limits on commands supported by cluster instances
        • Limits on the commands supported by read/write splitting instances
      • Supported parameters
      • Version description
        • Features of ApsaraDB for Redis major versions
          • Feature updates of ApsaraDB for Redis 5.0
          • Features of ApsaraDB for Redis 4.0
        • Release notes of minor versions
          • ApsaraDB for Redis Enhanced Edition (Tair)
          • ApsaraDB for Redis Community Edition (Tair)
          • ApsaraDB for Redis proxy servers
      • Terms
    • Pricing
      • Billable items and prices
      • Billing method
      • Expiration, overdue payments, and renewal
      • Configuration change
    • Quick Start
      • Overview
      • Step 1: Create an ApsaraDB for Redis instance
      • Step 2: Configure whitelists
      • Connect to an ApsaraDB for Redis instance
      • Manage ApsaraDB for Redis instances
    • Data Migration And Synchronization
      • Migrate data
        • Overview
        • Migrate data from on-premises Redis to ApsaraDB for Redis
          • Migrate data from a self-managed Redis database to an ApsaraDB for Redis instance
          • Use redis-shake to migrate data from a self-managed Redis database to Alibaba Cloud
          • Use redis-shake to migrate the data of a self-managed Redis database from a backup file to an ApsaraDB for Redis instance
          • Use redis-shake to migrate data from on-premises Codis or Redis to ApsaraDB for Redis
          • Synchronize data from a Codis cluster hosted on ECS to an ApsaraDB for Redis instance
          • Synchronize data from Twemproxy Redis on ECS to ApsaraDB for Redis
          • Use AOF files to migrate data
        • Migrate data between ApsaraDB for Redis instances
          • Migrate data between ApsaraDB for Redis instances by using Redis-shake
        • Migrate data from a third-party database to ApsaraDB for Redis
          • Migrate data from an Amazon ElastiCache for Redis cluster to an ApsaraDB for Redis instance
          • Migrate data from SSDB to ApsaraDB for Redis
          • Migrate data from Google Cloud Memorystore for Redis to ApsaraDB for Redis
        • Verify data after migration
      • Data Synchronization
        • Overview of data synchronization
        • Synchronize data from on-premises Redis to ApsaraDB for Redis
          • Synchronize data from a user-created Redis cluster to an ApsaraDB for Redis cluster instance
          • Synchronize data from a self-managed Redis database hosted on ECS to an ApsaraDB for Redis instance
          • Synchronize data from a Codis cluster hosted on ECS to an ApsaraDB for Redis instance
          • Synchronize data from Twemproxy Redis on ECS to ApsaraDB for Redis
          • Use ssdb-port to synchronize data from SSDB to ApsaraDB for Redis
        • Synchronize data between ApsaraDB for Redis instances
          • Synchronize data in one direction between ApsaraDB for Redis instances
          • Configure two-way data synchronization between ApsaraDB for Redis Enterprise Edition instances
          • Synchronize data between ApsaraDB for Redis cluster instances across Alibaba Cloud accounts
      • FAQ about data migration and data synchronization
    • User Guide
      • Console logon
      • Limits
      • RAM-based access control
        • Service linked roles in ApsaraDB for Redis
        • Authorize RAM users to manage ApsaraDB for Redis instances by using system policies
        • Authorize RAM users to manage ApsaraDB for Redis instances by using custom policies
      • Manage events
        • Query history events
        • Query and manage pending events
        • FAQ about pending events
        • Subscribe to event notifications
      • Manage instances
        • Instance states and impacts
        • Lifecycle management
          • Lifecycle of an ApsaraDB for Redis instance
          • Change the configurations of an instance
          • Adjust the number of shards for an ApsaraDB for Redis instance
          • Restart an instance
          • Change the billing method to subscription
          • Renew an instance
          • Upgrade the major version
          • Update the minor version
          • Release instances
          • Manage ApsaraDB for Redis instances in the recycle bin
        • Manage bandwidth
          • Enable bandwidth auto scaling
          • Adjust the bandwidth of an ApsaraDB for Redis instance
        • Network connection management
          • Change the VPC or vSwitch of an ApsaraDB for Redis instance
          • Change the network type from classic network to VPC
          • Change the endpoint or port number of an ApsaraDB for Redis instance
          • Apply for a public endpoint
          • Release public endpoints
          • Enable the direct connection mode
          • Release a direction connection endpoint
          • Obtain the number of available IP addresses in the vSwitch where an ApsaraDB for Redis instance is deployed
          • Modify the expiration date of a classic network endpoint
          • Release a classic network endpoint
        • System Parameters
          • Modify the parameters of an ApsaraDB for Redis instance
          • Common Parameter Adjustment Cases
        • High availability
          • Causes and impacts of master-replica switchovers
          • Manually switch workloads from a master node to a replica node
          • Restart or rebuild a proxy server
          • Upgrade proxy servers
        • Tag management
          • Create a tag
          • Filter ApsaraDB for Redis instances by tag
          • View tags bound to an instance
          • Remove or delete a tag
        • Specify a maintenance window
        • Migrate an instance across zones
        • Export the instance list
      • Security management
        • Create and manage database accounts
        • Change or reset the password
        • Configure whitelists
        • Configure SSL encryption for an ApsaraDB for Redis instance
        • Enable TDE
        • Enable password-free access
      • Connection management
        • View endpoints
        • Use DMS
        • Use redis-cli
        • Use a Redis client
        • Connect to an ApsaraDB for Redis instance that has SSL encryption enabled by using a client
        • Use a private endpoint to connect to an ApsaraDB for Redis instance
        • Use the Sentinel-compatible mode to connect to ApsaraDB for Redis instances
        • Use a public endpoint to connect to an ApsaraDB for Redis instance
        • Connect an ECS instance to an ApsaraDB for Redis instance in different types of networks
      • Data management
        • Manage ApsaraDB for Redis instances by using DMS
        • Delete data
      • Performance monitoring
        • Monitoring metrics
          • Query monitoring data
          • Metrics
          • Display only specified metrics (previous)
          • Modify the data collection interval (previous)
        • Performance of queries
          • Performance trends
          • Add a performance trend chart
          • View performance metrics in real time
          • Instance sessions
          • Slow queries
        • Diagnose instances
          • Create a diagnostic report
          • Analyze a diagnostic report
        • Alert settings
      • Log management
        • Audit logs (new version)
          • Enable the new audit log feature
          • Query audit logs
          • Query historical hotkeys
          • Download audit logs
          • Subscribe to audit log reports
        • Audit logs (previous version)
          • Enable an earlier version of the audit log feature
          • Query audit logs for earlier versions
          • Filter audit logs of earlier versions
          • Set the retention period for audit logs of earlier versions
        • Query slow logs
        • Query active logs of an instance
        • Use slow logs to troubleshoot timeout issues
      • Backup and recovery
        • Backup and restoration solutions
        • Automatic or manual backup
        • Download backup files
        • Restore data from a backup set to a new instance
        • Restore data to a point in time by using the data flashback feature
        • Use redis-port to restore data
        • Use the redis-shake tool to back up data
        • Use redis-shake to restore data
      • FAQ
        • Product features
          • Which version of Redis is ApsaraDB for Redis compatible with?
          • What is the relationship between ApsaraDB for Redis and Redis?
          • Redis CSRF vulnerability analysis and security measures available for ApsaraDB for Redis
          • What commands and operations of ApsaraDB for Redis are compatible with Redis?
          • Does ApsaraDB for Redis support distributed cluster instances?
          • Can an ApsaraDB for Redis instance be configured with multiple replica nodes?
          • Does an ApsaraDB for Redis instance have limits on CPU processing capability, data transmission bandwidth, and the number of connections?
          • How many databases does a single ApsaraDB for Redis instance support?
          • Do all ApsaraDB for Redis instances have master and replica nodes?
          • Does ApsaraDB for Redis support read-only replica nodes?
          • Does ApsaraDB for Redis support failovers between master and replica nodes?
        • Database connections
          • How can I connect to an ApsaraDB for Redis instance by using redis-cli?
          • Do I need a password to connect to an ApsaraDB for Redis instance?
          • Do I need to install Redis on an ECS instance to use ApsaraDB for Redis?
          • Does ApsaraDB for Redis support Redis clients such as Jedis?
          • Can I upgrade or downgrade a subscription instance?
        • Using the database
          • Does ApsaraDB for Redis support Bloom filters?
          • What is the size of each database on an ApsaraDB for Redis instance, and how can I choose databases?
          • How can I import sample data to ApsaraDB for Redis?
          • Why do I receive an SMS message or email indicating that a failover is triggered?
          • Can I restore the deleted data of an ApsaraDB for Redis instance?
          • How can I monitor an ApsaraDB for Redis instance? Does the system automatically generate alerts when the capacity is reached?
          • Why is the memory usage of a new ApsaraDB for Redis instance not equal to 0?
        • Data persistence
          • Data persistence
          • Does ApsaraDB for Redis support data persistence?
        • Set parameters
          • Does ApsaraDB for Redis support changing configuration parameters?
          • Can I modify the REDIS_SHARED_INTEGERS parameter in ApsaraDB for Redis?
        • Expiration policy
          • How does ApsaraDB for Redis evict data by default?
    • Global Distributed Cache
      • Overview
      • Limits
      • Create a distributed instance
      • Add a child instance to a distributed instance
      • Release a distributed instance
      • Check the synchronization latency between child instances
      • Configure an alert rule to monitor the synchronization latency of child instances
      • Test the synchronization latency between child instances in different regions
    • Performance Troubleshooting And Tuning
      • Troubleshoot high CPU utilization on an ApsaraDB for Redis instance
      • Troubleshoot the high memory usage of an ApsaraDB for Redis instance
      • Troubleshoot high traffic usage on an ApsaraDB for Redis instance
      • Use proxy query cache to address issues caused by hotkeys
      • Query big keys and hotkeys by using the key analysis feature
      • Use the cache analysis feature to display details about big keys
    • Best Practices
      • Development and O&M standards for ApsaraDB for Redis
      • Retry mechanisms for Redis clients
      • Best Practices for Redis Enhanced Edition
        • Monitor user trajectories by using TairGIS
        • High-performance distributed locks
        • Concurrency control and optimistic locking
        • Rate limiter
        • TairHash memory consumption and expiration policies
      • Best Practices for All Editions
        • Migrate MySQL data to ApsaraDB for Redis
        • Rankings of online game players sorted by score
        • Correlation analysis on E-commerce store items
        • Publish and subscribe to messages
        • Pipeline
        • Process transactions
        • Discover and resolve the hotkey issue
        • ApsaraDB for Redis supports Double 11 Shopping Festival
        • Use ApsaraDB for Redis to build a business system that can handle flash sales
        • Read/write splitting in Redis
        • JedisPool optimization
        • Analyze hotkeys in a specific sub-node of a cluster instance
        • Use ApsaraDB for Redis to build a broadcasting channel information system
        • Parse AOFs
        • Query hotkeys in Redis 4.0
        • Analyze memory usage of ApsaraDB for Redis
        • Automatically add or remove ECS instances to or from a whitelist of an ApsaraDB for Redis instance
    • Performance White Paper
      • Master-replica cluster edition
        • Test environment
        • Test utility
        • Test command and metric
        • Test results
      • Performance-enhanced instances of ApsaraDB for Redis Enhanced Edition (Tair)
        • Test environment
        • Test utility
        • Test method
        • Test results
      • Persistent memory-optimized instances of ApsaraDB for Redis Enhanced Edition (Tair)
        • Test environment
        • Test tool
        • Test method
        • Test results
      • Storage-optimized instances of ApsaraDB for Redis Enhanced Edition (Tair)
        • Test environment
        • Test utility
        • Test method
        • Test results
    • API And SDK Reference
      • Quick start
      • API reference
        • Quick start to the ApsaraDB for Redis API
        • Make API requests
          • Call the ApsaraDB for Redis API by using Alibaba Cloud SDK for Java
          • Use Alibaba Cloud CLI to call API operations
        • Request and response structures
          • Request structure
          • Common parameters
          • Responses
          • Digital signature
        • RAM authentication
        • List of operations by function
        • Lifecycle management
          • DescribeRegions
          • DescribeZones
          • DescribeAvailableResource
          • CreateInstance
          • CreateInstances
          • Create a persistent memory-optimized or storage-optimized instance
          • ModifyInstanceSpec
          • ModifyNodeSpec
          • AddShardingNode
          • DeleteShardingNode
          • TransformToPrePaid
          • DeleteInstance
          • CreateGlobalDistributeCache
          • MigrateToOtherZone
        • Instance management
          • DescribeInstances
          • DescribeInstanceAttribute
          • DescribeGlobalDistributeCache
          • DescribeEngineVersion
          • DescribeRoleZoneInfo
          • DescribeClusterMemberInfo
          • DescribeTasks
          • DescribeDBInstanceNetInfo
          • EnableAdditionalBandwidth
          • ModifyInstanceAttribute
          • ModifyResourceGroup
          • DescribeLogicInstanceTopology
          • ModifyInstanceMaintainTime
          • ModifyInstanceMajorVersion
          • ModifyInstanceMinorVersion
          • RestartInstance
          • FlushExpireKeys
          • FlushInstance
          • SwitchInstanceHA
          • RemoveSubInstance
        • Connection management
          • SwitchNetwork
          • ModifyInstanceNetExpireTime
          • ModifyDBInstanceConnectionString
          • AllocateInstancePublicConnection
          • ReleaseInstancePublicConnection
          • AllocateDirectConnection
          • ReleaseDirectConnection
          • DescribeIntranetAttribute
        • Renewal Management
          • DescribePrice
          • RenewInstance
          • DescribeInstanceAutoRenewalAttribute
          • ModifyInstanceAutoRenewalAttribute
          • RenewAdditionalBandwidth
        • Account management
          • DescribeAccounts
          • CreateAccount
          • GrantAccountPrivilege
          • ModifyAccountDescription
          • ModifyAccountPassword
          • Reset a password
          • DeleteAccount
        • Backup and restoration
          • CreateBackup
          • DescribeBackupTasks
          • DescribeBackupPolicy
          • ModifyBackupPolicy
          • DescribeBackups
          • RestoreInstance
        • Monitoring management
          • DescribeMonitorItems
          • DescribeHistoryMonitorValues
        • Log management
          • ModifyAuditLogConfig
          • DescribeAuditLogConfig
          • DescribeAuditRecords
          • DescribeRunningLogRecords
          • DescribeSlowLogRecords
        • Network security
          • DescribeSecurityIps
          • ModifySecurityIps
          • DescribeSecurityGroupConfiguration
          • ModifySecurityGroupConfiguration
          • DescribeInstanceSSL
          • ModifyInstanceSSL
          • ModifyInstanceVpcAuthMode
        • TDE
          • ModifyInstanceTDE
          • DescribeInstanceTDEStatus
          • DescribeEncryptionKeyList
          • DescribeEncryptionKey
          • CheckCloudResourceAuthorized
        • Parameter Management
          • DescribeParameterTemplates
          • DescribeInstanceConfig
          • DescribeParameters
          • ModifyInstanceConfig
        • Tag management
          • ListTagResources
          • TagResources
          • UntagResources
        • Troubleshooting
          • Cache analysis and key analysis
          • CreateCacheAnalysisTask
          • DescribeCacheAnalysisReport
          • DescribeCacheAnalysisReportList
        • O&M task management
          • DescribeActiveOperationTask
          • ModifyActiveOperationTask
        • Additional description of parameters
          • Instance types
          • Description of the Instances parameter
          • MonitorKeys
          • API error center
          • Description of the Instances parameter in the DescribePrice API operation
      • SDK reference
        • Quick start to the ApsaraDB for Redis SDK
        • OpenAPI SDKs
        • Redis SDKs
    • FAQ
 
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    Console logon

    Last Updated: Sep 18, 2021

    Before using ApsaraDB for Redis, you must register an Alibaba Cloud account and log on to the Alibaba Cloud console.

    Procedure

    1. Sign up with Alibaba Cloud.
    2. Log on to the ApsaraDB for Redis console.
    Previous: FAQ about data migration and data synchronization Next: Limits

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