Best Practices-Data Transmission Service - 天翼云

Data Transmission Service

Product Overview

What Is Data Transmission Service

Supported Databases

Technical Architecture and How DTS Works

Security

Data Protection

Security Risk Monitoring

Related Services

Getting Started

Preparation Overview

Creating an eSurfing Cloud Account and Completing Real-name Verification

From an On-premises Database to an eSurfing Cloud Database

Connecting to eSurfing Cloud over the Internet

From a Third-party Cloud Database to an eSurfing Cloud Database

Connecting to eSurfing Cloud over the Internet

From an eSurfing Cloud Database to an eSurfing Cloud Database

Connecting Resources in the Same VPC over the VPC Network

Connecting Resources in the Same Resource Pool but Different VPCs Through VPC Peering

Connecting Resources from Different Resource Pools over the Internet

From an ECS-hosted Self-managed Database to an eSurfing Cloud Database

Connecting Resources in the Same VPC over the VPC Network

Connecting Resources in the Same Resource Pool but Different VPCs Through VPC Peering

Connecting Resources from Different Resource Pools over the Internet

Prerequisites for DDL Operations for Synchronizing Incremental Data from a PostgreSQL Database

User Guide

Data Migration

Migration Solution Overview

To the Cloud

Migrating Data from a MySQL Database to Another MySQL Database

Migrating Data from a PostgreSQL Database to Another PostgreSQL Database

Purchasing, Renewal, and Unsubscription

Purchasing a Data Migration Instance

Renewing a Data Migration Instance

Unsubscribing from a Data Migration Instance

Configuring and Editing an Instance

Configuring a Data Migration Instance

Editing a Migration Instance

Migration Object Management

Object Name Mapping

Viewing Mappings

Instance Management

Viewing Migration Progress

Viewing Migration Information

Viewing Migration Logs

Using the Data Audit Feature to Compare Migration Items

Viewing Migration Details

Lifecycle Management

Instance Status Description

Starting or Resuming Migration Tasks for Migration Instances

Pausing Migration Tasks for Migration Instances

Monitoring and Alarms

Performance Monitoring

Configuring and Viewing Alarms

Connectivity Diagnostics

Data Synchronization

Synchronization solution overview

To the Cloud

Synchronizing Data from a MySQL Database to Another MySQL Database

Purchasing, Renewal, and Unsubscription

Configuring and Editing an Instance

Configuring a Synchronization Instance

Editing a Synchronization Instance

Managing Synchronization Objects

Instance Management

Viewing Synchronization Progress

Viewing Synchronization Details

Viewing Synchronization Logs

Using the Data Audit Feature to Compare Synchronization Items

Viewing Synchronization Details

Lifecycle Management

Instance Status Description

Starting or Resuming Synchronization Tasks for Synchronization Instances

Pausing a Synchronization Instance

Monitoring and Alarms

Connectivity Diagnostics

FAQs

Service Information

FAQ About Network Security

FAQ About Permissions

FAQ About Data Migration

FAQ About Data Synchronization

FAQ About Data Comparison

FAQ About Common Operations

FAQ About Billing

FAQ About Latency

Best Practices

Best Practice Overview

Migrating Data from a Third-party Cloud MySQL Database to an RDS MySQL Database

Creating a VPC and a Security Group

Creating an RDS MySQL Instance

Preparing for MySQL Instances on Other Cloud Platforms

Migrating Data from an On-premises MySQL Database to an RDS MySQL Database

Migrating Data from a Third-party Cloud PostgreSQL Database to an RDS PostgreSQL Database

Migrating Data from an On-premises PostgreSQL Database to an RDS PostgreSQL Database

Security Whitepaper

DTS Security Whitepaper

Troubleshooting

Troubleshooting Methods for Failed Precheck

Migrating/Synchronizing Data from a MySQL Database to Another MySQL Database

Migrating/Synchronizing Data from a PostgreSQL Database to Another PostgreSQL Database

Error Cases

Summary of Error Cases

Task Configuration Cases

Maximum Number of Objects to Be Migrated Exceeded

Struct Migration/Synchronization Cases

Object to Be Migrated Already Exists in the Destination Database: xxx already exists

Dependent Object Not Exist: xxx does not exist

Invalid Default Value for Fields: Invalid default value for xxx

Full Data Migration/Synchronization Cases

Destination Table Initialization Error: getColumnList error

Destination Database Is Read-only: super-read-only

Insufficient Disk Space on Destination Database: No space left on device

Insufficient Disk Space on Destination Database: The table xxx is full

Lock Exception in Destination Database: Lock wait timeout exceeded

Memory Overflow: OutOfMemoryError

Database Connection Failure: Communications link failure

Too Many Database Connections: Too many connections

Incremental Data Migration/Synchronization Cases

Table Not Exist in DML Statement Synchronization: Table xxx doesn't exist

Inserted Data Column Not Exist: unknown column 'xxx' in field list

Incremental DDL Statement Synchronization Error: Table xxx already exists

Incremental Migration/Synchronization Node Not Started: no live node

I/O Error While Pulling Incremental Data: EOF encountered

Document Download

Product Document

Related Agreements

eSurfing Cloud Open Beta Test (OBT) Product Service Agreement

Help Center Data Transmission Service Best Practices

Best Practice Overview
Migrating Data from a Third-party Cloud MySQL Database to an RDS MySQL Database
Migrating Data from an On-premises MySQL Database to an RDS MySQL Database
Migrating Data from a Third-party Cloud PostgreSQL Database to an RDS PostgreSQL Database
Migrating Data from an On-premises PostgreSQL Database to an RDS PostgreSQL Database