GeminiDB
GeminiDB
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What's New
Function Overview
Product Bulletin
Vulnerability Notice
Vulnerability Fixing Policies
Version Description
Version Information
GeminiDB Redis API
GeminiDB Cassandra Version Information
Release Notes
Kernel Versions of GeminiDB Redis API
Service Overview
What Is GeminiDB?
System Architecture
Highlights
Typical Application Scenarios
Security
Shared Responsibilities
Identity Authentication and Access Control
Data Protection
Audit
Resilience
Risk Monitoring
Fault Recovery
Billing
Permissions
User Permissions
Regions and AZs
Related Services
Logging In to the GeminiDB Console
Change History
GeminiDB Redis API
Service Overview
What Is GeminiDB Redis API?
Highlights
Application Scenarios
Compatible APIs and Versions
Instance Specifications
Instance Statuses
Getting Started with GeminiDB Redis API
Getting to Know GeminiDB Redis API
Buying and Connecting to a Cluster Instance
Working with GeminiDB Redis API
Permission Management
Creating a User and Granting GeminiDB Redis API Permissions
Custom Policies of GeminiDB Redis API
Billing Management
Renewing Instances
Changing Pay-per-Use to Yearly/Monthly
Changing Yearly/Monthly to Pay-per-Use
Unsubscribing from a Yearly/Monthly Instance
Buying a GeminiDB Redis Instance
Buying a GeminiDB Redis Cluster Instance
Instance Connection and Management
Connection Methods
Connecting to a GeminiDB Redis Instance on the DAS Console
Connecting to a GeminiDB Redis Instance Over a Private Network
Connecting to an Instance Using a Load Balancer Address (Recommended)
Connecting to an Instance Using a Private Domain Name
Connecting to an Instance Using a Private IP Address
Connecting to a GeminiDB Redis Instance Over a Public Network
Connecting to an Instance Using an EIP
Connecting to an Instance Using a Public Domain Name
Connection Information Management
Configuring Security Group Rules for a GeminiDB Redis Instance
Viewing the IP Address and Port Number of a GeminiDB Redis Instance
Binding an EIP to a GeminiDB Redis Instance
Encrypting Data over SSL for a GeminiDB Redis Instance
Connecting a GeminiDB Redis Instance over SSL
Changing the Security Group of a GeminiDB Redis Instance
Configuring Private Network Access to a GeminiDB Redis Instance
Data Migration
Overview of the Redis Data Migration Solution
Migrating the Alibaba Cloud Database Redis/Tair To GeminiDB Redis
Migrating Data from Redis to GeminiDB Redis API Using Redis-Shake
(Recommended) Importing Data to Restore RDB Files to a GeminiDB Redis Instance
From Kvrocks to GeminiDB Redis API
From Pika to GeminiDB Redis API
From SSDB to GeminiDB Redis API
From LevelDB to GeminiDB Redis API
From Kvrocks to GeminiDB Redis API
Migration from an AWS ElastiCache for Redis Database to a GeminiDB Redis Instance
Verifying Redis Data Consistency After Migration
Instance Lifecycle Management
Restarting a GeminiDB Redis instance
Exporting Instance Information
Deleting a Pay-per-Use Instance
Recycling an Instance
Modifying Instance Settings
Modifying a GeminiDB Redis Instance Name
Changing the Administrator Password of a GeminiDB Redis Database
Changing the CPU and Memory Specifications of an Instance
Adding Instance Nodes
Deleting Instance Nodes
Manually Scaling Up Storage Space
Data Backup
Overview
Managing Automated Backups
Managing Manual Backups
Data Restoration
Restoration Methods
Restoring Data to a New Instance
CTS Audit
Key Operations Supported by CTS
Querying Traces
Viewing Metrics and Configuring Alarms
GeminiDB Redis Instance Metrics
Configuring Alarm Rules
Viewing Metrics
Configuring a Dashboard for a GeminiDB Redis Instance
Tag Management
MySQL Memory Acceleration
Memory Acceleration Overview
Enabling and Using Memory Acceleration
Modifying and Deleting a Memory Acceleration Rule
Viewing and Removing Mappings
FAQs
Most Asked Questions
About GeminiDB Redis API
What Are the Differences Between GeminiDB Redis API, Open-Source Redis, and Other Open-Source Redis Cloud Services?
How Is the Performance of GeminiDB Redis API Compared with Open-Source Redis?
What Redis Versions and Commands Are Compatible with GeminiDB Redis API? Whether Application Code Needs to Be Refactored for Connecting to a Redis Client?
Can Data Be Migrated from Open-Source Redis to GeminiDB Redis API? What Are the Precautions?
What Is the Availability of a GeminiDB Redis Instance?
Are Total Memory and Total Capacity of a GeminiDB Redis Instance the Same? What Is the Relationship Between Memory and Capacity?
How Do I Select Proper Node Specifications and Node Quantity When Purchasing a GeminiDB Redis Instance?
How Does GeminiDB Redis API Persist Data? Will Data Be Lost?
What Is the Memory Eviction Policy of GeminiDB Redis API?
Does GeminiDB Redis API Support Modules Such as a Bloom Filter?
Billing
What Are the Differences Between Yearly/Monthly and Pay-per-use Billing Mode?
Can I Switch Between Yearly/Monthly and Pay-per-Use Payments?
Database Usage
Why Is the Key Not Returned Using Scan Match?
How Do I Process Existing Data Shards After Migrating Workloads to GeminiDB Redis API?
Does GeminiDB Redis API Support Fuzzy Queries Using KEYS?
Does the GeminiDB Redis API Support Multiple Databases?
Why the Values Returned by Scan Operations Are Different Between GeminiDB Redis API and Open-Source Redis 5.0?
Why Are Error Messages Returned by Some Invalid Commands Different Between GeminiDB Redis API and Open-Source Redis 5.0?
How Do I Resolve the Error "CROSSSLOT Keys in request don't hash to the same slot"?
How Many Commands Can Be Contained in a GeminiDB Redis Transaction?
Which Commands Require Hashtags on GeminiDB Redis Cluster Instances?
What Should I Do If "ERR unknown command sentinel" Is Displayed?
How Long Does It Take to Add GeminiDB Redis Nodes at the Same Time? What Are the Impacts on Services?
What Are the Differences Between Online and Offline Specification Changes of GeminiDB Redis Nodes? How Long Will the Changes Take? What Are the Impacts on Services?
Can I Download Backups of a GeminiDB Redis Instance to a Local PC and Restore Data Offline?
What Is the Data Backup Mechanism of GeminiDB Redis API? What Are the Impacts on Services?
Why Does the CPU Usage Remain High Despite Low Service Access Volume on a GeminiDB Redis Preferential Instance with 1 CPU and 2 Nodes?
Why Does the Number of Keys Decrease and Then Become Normal on the Monitoring Panel on the GUI of GeminiDB Redis API?
Why Is CPU Usage of GeminiDB Redis Nodes Occasionally High?
When Does a GeminiDB Redis Instance Become Read-Only?
Database Connection
How Do I Connect to a GeminiDB Redis Instance?
How Do I Use Multiple Node IP Addresses Provided by GeminiDB Redis API?
How Does Load Balancing Work in GeminiDB Redis API?
How Can I Create and Connect to an ECS?
Can I Change the VPC of a GeminiDB Redis Instance?
How Do I Access a GeminiDB Redis Instance from a Private Network?
Do I Need to Enable Private Network Access Control for a Load Balancer After Setting a Security Group?
Backup and Restoration
How Long Can a GeminiDB Redis Instance Backup Be Saved?
Memory Acceleration
Will All Data Be Cached to GeminiDB Redis Instances After Memory Acceleration Is Enabled and MySQL Database Data Is Updated?
If Memory Acceleration Is Enabled, GeminiDB Redis Instance Data Increases Continuously. Do I Need to Scale Out the Capacity? How Do I Manage Cached Data?
Is Memory Acceleration Recommended When Customers' Service Data Can Be Synchronized Between MySQL and Redis? In Which Scenarios Can Memory Acceleration Be enabled?
How Long Is the Latency of Synchronization from RDS for MySQL to GeminiDB Redis API? What Factors Affect the Latency?
Will the Source MySQL Database Be Affected After Memory Acceleration Is Enabled?
GeminiDB Redis Instances with Memory Acceleration Enabled Needs to Process a Large Number of Binlogs in a Short Period of Time. Will a Large Number of Resources Be Occupied and Online Services Be Affected?
Instance Freezing, Release, Deletion, and Unsubscription
GeminiDB Influx API
Service Overview
What Is GeminiDB Influx API?
Compatible APIs and Versions
Instance Specifications
DB Instance Statuses
Usage Specifications and Suggestions
Getting Started with GeminiDB Influx API
Getting Started with GeminiDB Influx API
Buying and Connecting to a Cluster Instance
Working with GeminiDB Influx API
Permissions Management
Creating a User Group and Assigning Permissions
Custom Policies
Buying a GeminiDB Influx Instance
Buying a GeminiDB Influx Cluster Instance
Instance Connection and Management
Connection Methods
Connecting to a GeminiDB Influx Instance on the DAS Console
Connecting to a GeminiDB Influx Instance over a Private Network
Connecting to an Instance Using a Load Balancer Address (Recommended)
Connecting to an Instance Using a Private IP Address
Connecting to a GeminiDB Influx Instance over a Public Network
Connecting to a GeminiDB Influx Instance Using Programming Languages
Connecting to a GeminiDB Influx Instance Using Go
Connecting to a GeminiDB Influx Instance Using Java
Connecting to a GeminiDB Influx Instance Using Python
Connection Information Management
Setting Security Group Rules for a GeminiDB Influx Instance
Binding an EIP
Changing the Security Group of a GeminiDB Influx Instance
Encrypting Data over SSL for a GeminiDB Influx Instance
Migrating Data
Instance Lifecycle Management
Restarting a GeminiDB Influx Instance
Deleting a Pay-per-Use Instance
Recycling an Instance
Instance Modifications
Changing a GeminiDB Influx Instance Name
Changing the Administrator Password of a GeminiDB Influx Database
Changing CPUs and Memory of an Instance
Adding Instance Nodes
Manually Scaling Up Storage Space of a GeminiDB Influx Instance
Database Commands
Supported Commands
Cold and Hot Data Separation
Enabling Cold Storage
Cold and Hot Data Separation
Scaling Up Cold Storage
Data Backup
Overview
Managing Automated Backups
Managing Manual Backups
Data Restoration
Restoration Methods
Restoring Data to a New Instance
Parameter Management
Modifying Parameters of GeminiDB Influx Instances
Creating a Parameter Template
Viewing Parameter Change History
Exporting a Parameter Template
Comparing Parameter Templates
Replicating a Parameter Template
Resetting a Parameter Template
Applying a Parameter Template
Viewing Application Records of a Parameter Template
Modifying a Parameter Template Description
Deleting a Parameter Template
CTS
Key Operations Supported by CTS
Querying Traces
Viewing Metrics and Configuring Alarms
GeminiDB Influx Metrics
Configuring Alarm Rules
Viewing Metrics
Billing Management
Renewing Instances
Changing Pay-per-Use to Yearly/Monthly
Changing Yearly/Monthly to Pay-per-Use
Unsubscribing from a Yearly/Monthly Instance
Managing Tags
FAQs
Product Consulting
What Do I Need to Note When Using GeminiDB Influx API?
What Does the Availability of GeminiDB Influx Instances Mean?
Can GeminiDB Influx API Convert Multiple Columns to Multiple Rows?
How Much Data Can a GeminiDB Influx Instance Hold?
Can I Access GeminiDB Influx Instances Using Grafana?
How Do I Use GeminiDB Influx Hints?
What Do I Do If Error "select *" query without time range is not allowed Is Reported?
Billing
What Are the Differences Between Yearly/Monthly and Pay-per-use Billing Mode?
Can I Switch Between Yearly/Monthly and Pay-per-Use Payments?
Database Connection
How Can I Create and Connect to an ECS?
Can I Change the VPC of a GeminiDB Influx Instance?
How Do I Connect to a GeminiDB Influx Instance Locally?
How Do I Connect to a GeminiDB Influx Instance Using Grafana?
Backup and Restoration
How Long Can a GeminiDB Influx Instance Backup Be Saved?
Regions and AZs
Can Different AZs Communicate with Each Other?
Can I Change the Region of a GeminiDB Influx Instance?
Instance Freezing, Release, Deletion, and Unsubscription
GeminiDB Cassandra API
Service Overview
What Is GeminiDB Cassandra API?
Compatible APIs and Versions
Instance Specifications
Instance Statuses
Database Constraints
Basic Design
Database Objects
Access and Connection Pools
Batches
Queries
Getting Started with GeminiDB Cassandra API
Getting Started with GeminiDB Cassandra API
Buying and Connecting to an Instance
Working with GeminiDB Cassandra API
Permissions Management
Creating a User and Assigning Permissions
Creating a Custom Policy
Buying a GeminiDB Cassandra Instance
Instance Connection and Management
Connection Methods
Connecting to a GeminiDB Cassandra Instance on the DAS Console
Connecting to a GeminiDB Cassandra Instance over a Private Network
Connecting to a GeminiDB Cassandra Instance over a Public Network
Connecting to a GeminiDB Cassandra Instance Using Java
Connecting to a GeminiDB Cassandra Instance Using Go
Connection Information Management
Setting Security Group Rules for a GeminiDB Cassandra Instance
Binding an EIP to a GeminiDB Cassandra Instance
Viewing the IP Address and Port Number of a GeminiDB Cassandra Instance
Importing and Exporting Data by Running COPY
Instance Lifecycle Management
Restarting Instances
Deleting Instance
Recycling an Instance
Instance Modifications
Changing an Instance Name
Resetting the Administrator Password
Changing CPUs and Memory of an Instance
Adding and Deleting Instance Nodes
Overview
Adding Instance Nodes
Manually Deleting Instance Nodes
Scaling Storage Space
Overview
Manually Scaling Up Storage Space
Automatically Scaling Up Storage Space
Intra-region DR
Creating a DR Instance
Deleting the DR Relationship
Cross-region Dual-active DR
Overview
Creating a Dual-Active Relationship
Deleting a Dual-active Relationship
Data Backup
Overview
Managing Automated Backups
Managing Manual Backups
Managing Cross-Region Backups
Data Restoration
Restoration Methods
Restoring Data to a New Instance
Restoring a Backup to a Specific Point in Time
Parameter Management
Modifying Parameters of GeminiDB Cassandra Instances
Creating a Parameter Template
Viewing Parameter Change History
Exporting a Parameter Template
Comparing Parameter Templates
Replicating a Parameter Template
Resetting a Parameter Template
Applying a Parameter Template
Viewing Application Records of a Parameter Template
Modifying a Parameter Template Description
Deleting a Parameter Template
CTS
Key Operations Supported by CTS
Querying Traces
Viewing Metrics and Configuring Alarms
GeminiDB Cassandra Instance Metrics
Configuring Alarm Rules
Viewing Metrics
Enterprise Project
Overview
Managing Quotas
Billing Management
Renewing Instances
Changing Pay-per-Use to Yearly/Monthly
Changing Yearly/Monthly to Pay-per-Use
Unsubscribing from a Yearly/Monthly Instance
Managing GeminiDB Cassandra Instance Tags
FAQs
Product Consulting
What Should I Pay Attention to When Using GeminiDB Cassandra API?
What Is GeminiDB Cassandra Instance Availability?
Billing
What Are the Differences Between Yearly/Monthly and Pay-per-use Billing Mode?
Can I Switch Between Yearly/Monthly and Pay-per-Use Payments?
Database Usage
Why Does the Overall Instance Performance Deteriorate When QPS Increases After the Batch Size Is Decreased?
What Can I Do if Error "field larger than field limit (131072)" Is Reported During Data Import?
What Should I Pay Attention to When Creating a GeminiDB Cassandra Table?
How Do I Detect and Resolve BigKey and HotKey Issues?
How Do I Set Up a Materialized View?
How Do I Use a Secondary Index?
How Do I Set Paging Query with Java?
Database Connection
What Can I Do If Spark Failed to Connect to Cassandra?
What Can I Do If an Error Occurs When I Use Java Driver and a Mapped IP Address to Connect to a Database?
How Can I Create and Connect to an ECS?
Can I Change the VPC of a GeminiDB Cassandra Instance?
Backup and Restoration
How Long Does GeminiDB Cassandra Store Backup Data?
Instance Freezing, Release, Deletion, and Unsubscription
GeminiDB (DynamoDB API Compatible) Instance
What Is GeminiDB (DynamoDB API Compatible)?
Connecting to a GeminiDB (DynamoDB API Compatible) Instance
API Compatibility
Migration from DynamoDB to GeminiDB (DynamoDB API Compatible)
API Reference
Before You Start
API Overview
Calling APIs
Making an API Request
Authentication
Returned Values
Quick Start
APIs v3.1
API Versions and Specifications
Querying Instance Specifications
Backup and Restoration
Querying Backups
Querying an Automated Backup Policy
Parameter Configuration
Obtaining Parameter Templates
APIs v3
API Versions
Querying API Versions
Querying Version Information of an API
Versions and Specifications
Querying Version Information
Instances
Creating an Instance
Deleting an Instance
Querying Instances and Details
Scaling Up Storage Space of an Instance
Adding Nodes for an Instance
Deleting Instance Nodes
Obtaining Sessions of a Node
Querying Session Statistics of an Instance Node
Closing Sessions of an Instance Node
Changing Specifications of an Instance
Resetting the Administrator Password of an Instance
Editing the Name of an Instance
Changing the Security Group of an Instance
Upgrading Minor Version
Changing a Database Port
Modifying High-Risk Commands
Setting the Maintenance Period of an Instance
Backups and Restorations
Querying Backups
Querying an Automated Backup Policy
Configuring an Automated Backup Policy
Querying the Time Window When a Backup Can Be Restored
Querying the Recycling Policy
Modifying the Recycling Policy
Querying Instances in the Recycle Bin
Parameter Configuration
Creating a Parameter Template
Modifying Parameters in a Parameter Template
Applying a Parameter Template
Modifying Parameters of a Specified Instance
Querying Instance Parameter Settings
Obtaining Parameters of a Specified Parameter Template
Deleting a Parameter Template
Tags
Querying an Instance by Tag
Adding or Deleting Resource Tags in Batches
Querying Tags of an Instance
Quotas
Querying Quota
Historical APIs
Instance Specifications
Parameter Templates
Obtaining Parameter Templates
Tags
Querying an Instance by Tag
Permission Policies and Supported Actions
Introduction
GeminiDB Actions
Appendixes
Abnormal Request Results
Status Codes
Error Codes
Obtaining a Project ID
Metrics
Events Supported by Event Monitoring
Change History
SDK Reference
SDK Overview