tencent cloud

Data Transfer Service

Release Notes and Announcements
Release Notes
Announcements
Product Introduction
Overview
Data Migration
Data Sync
Data Subscription (Kafka Edition)
Strengths
Supported Regions
Specification Description
Purchase Guide
Billing Overview
Configuration Change Description
Payment Overdue
Refund
Getting Started
Data Migration Guide
Data Sync Guide
Data Subscription Guide (Kafka Edition)
Preparations
Business Evaluation
Network Preparation
Adding DTS IP Addresses to the Allowlist of the Corresponding Databases
DTS Service Permission Preparation
Database and Permission Preparation
Configuring Binlog in Self-Built MySQL
Data Migration
Databases Supported by Data Migration
Cross-Account TencentDB Instance Migration
Migration to MySQL Series
Migrating to PostgreSQL
Migrating to MongoDB
Migrating to SQL Server
Migrating to Tencent Cloud Distributed Cache
Task Management
Data Sync
Databases Supported by Data Sync
Cross-Account TencentDB Instance Sync
Sync to MySQL series
Synchronize to PostgreSQL
Synchronization to MongoDB
Synchronize to Kafka
Task Management
Data Subscription (Kafka Edition)
Databases Supported by Data Subscription
MySQL series Data Subscription
Data Subscription for TDSQL PostgreSQL
MongoDB Data Subscription
Task Management
Consumption Management
Fix for Verification Failure
Check Item Overview
Cutover Description
Monitoring and Alarms
Supported Monitoring Indicators
Supported Events
Configuring Metric Alarms and Event Alarms via the Console
Configuring Indicator Monitoring and Event Alarm by APIs
Ops Management
Configuring Maintenance Time
Task Status Change Description
Practical Tutorial
Synchronizing Local Database to the Cloud
Creating Two-Way Sync Data Structure
Creating Many-to-One Sync Data Structure
Creating Multi-Site Active-Active IDC Architecture
Selecting Data Sync Conflict Resolution Policy
Using CLB as Proxy for Cross-Account Database Migration
Migrating Self-Built Databases to Tencent Cloud Databases via CCN
Best Practices for DTS Performance Tuning
FAQs
Data Migration
Data Sync
FAQs for Data Subscription Kafka Edition
Regular Expressions for Subscription
Error Handling
Common Errors
Failed Connectivity Test
Failed or Alarmed Check Item
Inability to Select Subnet During CCN Access
Slow or Stuck Migration
Data Sync Delay
High Data Subscription Delay
Data Consumption Exception
API Documentation
History
Introduction
API Category
Making API Requests
(NewDTS) Data Migration APIs
Data Sync APIs
Data Consistency Check APIs
(NewDTS) Data Subscription APIs
Data Types
Error Codes
DTS API 2018-03-30
Service Agreement
Service Level Agreements
DocumentaçãoData Transfer ServiceData SyncDatabases Supported by Data Sync

Databases Supported by Data Sync

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Última atualização: 2026-03-30 16:12:41

Scenario Overview

Data Sync refers to the real-time sync of data between two data sources. A sync task is performed continuously. After a task is created, the data will be continuously synchronized (almost in real time) to keep consistency between the source and target databases.
Data Sync and Data Migration share basic features. Data Sync supports simultaneous data writing to both source and target databases and features such as data conflict resolution, dynamic task configuration adjustments, and the construction of complex topologies, making it more convenient for users to manage long-term tasks.
Tencent Cloud DTS supports data sync tasks with self-built databases, TencentDB databases, and third-party cloud databases as the source or target databases. Typical scenarios are described as follows.
Scenario
Description
Cloud-Local Sync
Synchronize databases such as self-built databases in local IDCs, self-built databases on CVM. Reverse synchronization is supported to achieve two-way synchronization between cloud and local databases.
Cross-Cloud Sync
DTS can sync a third-party cloud database to TencentDB instances to achieve dual-cloud sync.
Cross-TencentDB Instance Sync
DTS can perform cross-region and cross-border database sync, and sync between database instances under different Tencent Cloud accounts.
Sync Between IDC Databases
DTS supports two-way sync between self-built databases in local IDCs to achieve data integration and aggregation.

Feature Overview

Sync Data Types

Supports structure sync, full sync, and incremental sync.
Structure sync: In sync task configuration, set Initialization Type to Structure Initialization.
Full sync: In sync task configuration, set Initialization Type to Structure Initialization and Full data initialization.
Incremental sync: In sync task configuration, do not select any option in Initialization Type. Select DML and DDL in Synchronization Operation Type.

Access Type

DTS supports the following access types: Public Network, Self-Build on CVM, Direct Connect, VPN Access, Database, CCN, and VPC. Based on the deployment type of the database, different access types can be selected. Each access type requires specific network conditions. For more details, see Overview.
For self-built IDC databases and third-party cloud databases, you can select the following access types: Public Network, Direct Connect, VPN Access, and CCN.
For self-built databases on CVM, select Self-Build on CVM as the access type.
For TencentDB instances, select Database as the access type.

Topology

Data sync tasks of complex topologies are supported, such as one-to-many, many-to-one, two-way, and ring sync. For information about how to construct complex topologies, see the configuration guides: Creating Two-Way Sync Data Structure, Creating Many-to-One Sync Data Structure, and Creating Multi-Site Active-Active IDC Architecture.

Sync to MySQL

Note:
If you need to use the following link for synchronization, you must submit a ticket.
Synchronize data from MySQL/MariaDB/Percona to MariaDB.
Synchronize data from MariaDB/Percona to MySQL.
Synchronize data from or to TDSQL for MySQL.
Synchronize data from MySQL to TDSQL for PostgreSQL.

MySQL > MySQL

Source Database and Version
Target Database and Version
Two-Way Sync
Reference Documentation
Self-Built Databases
Self-built MySQL 5.5, 5.6, 5.7 and 8.0 databases in IDCs
Self-built MySQL 5.5, 5.6, 5.7 and 8.0 databases on CVM
Self-Built Databases
Self-built MySQL 5.5, 5.6, 5.7 and 8.0 databases in IDCs or on CVM
Third-Party Cloud Providers
Alibaba Cloud ApsaraDB for RDS 5.6, 5.7 and 8.0
Alibaba Cloud PolarDB 5.6, 5.7 and 8.0
Amazon RDS for MySQL 5.6, 5.7 and 8.0
Amazon Aurora MySQL 5.6 and 5.7
TencentDB for MySQL 5.5, 5.6, 5.7 and 8.0
Supported
Third-Party Cloud Providers
Alibaba Cloud ApsaraDB for RDS 5.6, 5.7 and 8.0
Alibaba Cloud PolarDB 5.6, 5.7 and 8.0
Amazon RDS for MySQL 5.6, 5.7 and 8.0
Amazon Aurora MySQL 5.6 and 5.7
Self-Built Databases
Self-built MySQL 5.5, 5.6, 5.7 and 8.0 databases in IDCs or on CVM
Third-Party Cloud Providers
Alibaba Cloud ApsaraDB for RDS 5.6, 5.7 and 8.0
Alibaba Cloud PolarDB 5.6, 5.7 and 8.0
Amazon RDS for MySQL 5.6, 5.7 and 8.0
Amazon Aurora MySQL 5.6 and 5.7
TencentDB for MySQL 5.5, 5.6, 5.7 and 8.0
TencentDB for MySQL 5.5, 5.6, 5.7 and 8.0
Sync between databases under the same Tencent Cloud root account
Sync between databases under different Tencent Cloud root accounts
Self-Built Databases Self-built MySQL 5.5, 5.6, 5.7 and 8.0 databases in IDCs or on CVM
Third-Party Cloud Providers
Alibaba Cloud ApsaraDB for RDS 5.6, 5.7 and 8.0
Alibaba Cloud PolarDB 5.6, 5.7 and 8.0
Amazon RDS for MySQL 5.6, 5.7 and 8.0
Amazon Aurora MySQL 5.6 and 5.7
TencentDB for MySQL 5.5, 5.6, 5.7 and 8.0

MariaDB > MySQL

Source Database and Version
Target Database and Version
Two-Way Sync
Reference Documentation
Self-Built Databases
Self-built MariaDB 5.5, 10.0-10.6 databases in IDCs
Self-built MariaDB 5.5, 10.0-10.6 databases on CVM
Self-Built Databases
Self-built MySQL 5.5, 5.6, 5.7 and 8.0 databases in IDCs or on CVM
TencentDB for MySQL 5.5, 5.6, 5.7 and 8.0
Supported
TencentDB for MariaDB (Database versions: MySQL 8.0, Percona 5.7, and MariaDB 10.1)
Sync between databases under the same Tencent Cloud root account
Sync between databases under different Tencent Cloud root accounts
Self-Built Databases Self-built MySQL 5.5, 5.6, 5.7 and 8.0 databases in IDCs or on CVM
TencentDB for MySQL 5.5, 5.6, 5.7 and 8.0

Percona > MySQL

Source Database and Version
Target Database and Version
Two-Way Sync
Reference Documentation
Self-Built Databases
Self-built Percona 5.5, 5.6, 5.7 and 8.0 databases in IDCs
Self-built Percona 5.5, 5.6, 5.7 and 8.0 databases on CVM
Self-Built Databases
Self-built MySQL 5.5, 5.6, 5.7 and 8.0 databases in IDCs or on CVM
TencentDB for MySQL 5.5, 5.6, 5.7 and 8.0
Supported

TDSQL-C MySQL > MySQL

Source Database and Version
Target Database and Version
Two-Way Sync
Reference Documentation
TDSQL-C for MySQL 5.7 and 8.0
Sync between databases under the same root account
Sync between databases under different root accounts
Self-Built Databases
Self-built MySQL 5.5, 5.6, 5.7 and 8.0 databases in IDCs or on CVM
TencentDB for MySQL 5.5, 5.6, 5.7 and 8.0
Supported

TDSQL MySQL > MySQL

Source Database
Target Database
Two-Way Sync
Reference Documentation
TencentDB for MySQL (Database versions: MySQL 8.0, Percona 5.7, and MariaDB 10.1)
Sync between databases under the same root account
Sync between databases under different root accounts
Self-Built Databases Self-built MySQL 5.5, 5.6, 5.7 and 8.0 databases in IDCs or on CVM
TencentDB for MySQL
Not supported

Sync to MariaDB

MySQL > MariaDB

Source Database and Version
Target Database and Version
Two-Way Sync
Reference Documentation
Self-Built Databases
Self-built MySQL 5.5, 5.6, 5.7 and 8.0 databases in IDCs
Self-built MySQL 5.5, 5.6, 5.7 and 8.0 databases on CVM
Self-Built Databases
Self-built MariaDB 5.5, 10.0-10.6 databases in IDCs
Self-built MariaDB 5.5, 10.0-10.6 databases on CVM
TencentDB for MariaDB (Database versions: MySQL 8.0, Percona 5.7, and MariaDB 10.1)
Supported
TencentDB for MySQL 5.5, 5.6, 5.7 and 8.0
Sync between databases under the same root account
Sync between databases under different root accounts
Self-Built Databases
Self-built MariaDB 5.5, 10.0-10.6 databases in IDCs
Self-built MariaDB 5.5, 10.0-10.6 databases on CVM
TencentDB for MariaDB (Database versions: MySQL 8.0, Percona 5.7, and MariaDB 10.1)

MariaDB > MariaDB

Source Database and Version
Target Database and Version
Two-Way Sync
Reference Documentation
Self-Built Databases
Self-built MariaDB 5.5, 10.0-10.6 databases in IDCs
Self-built MariaDB 5.5, 10.0-10.6 databases on CVM
Self-Built Databases
Self-built MariaDB 5.5, 10.0-10.6 databases in IDCs
Self-built MariaDB 5.5, 10.0-10.6 databases on CVM
TencentDB for MariaDB (Database versions: MySQL 8.0, Percona 5.7, and MariaDB 10.1)
Supported
TencentDB for MariaDB (Database versions: MySQL 8.0, Percona 5.7, and MariaDB 10.1)
Sync between databases under the same root account
Sync between databases under different root accounts
Self-Built Databases
Self-built MariaDB 5.5, 10.0-10.6 databases in IDCs
Self-built MariaDB 5.5, 10.0-10.6 databases on CVM
TencentDB for MariaDB (Database versions: MySQL 8.0, Percona 5.7, and MariaDB 10.1)

Percona > MariaDB

Source Database and Version
Target Database and Version
Two-Way Sync
Reference Documentation
Self-Built Databases
Self-built Percona 5.5, 5.6, 5.7 and 8.0 databases in IDCs
Self-built Percona 5.5, 5.6, 5.7 and 8.0 databases on CVM
Self-Built Databases
Self-built MariaDB 5.5, 10.0-10.6 databases in IDCs
Self-built MariaDB 5.5, 10.0-10.6 databases on CVM
TencentDB for MariaDB (Database versions: MySQL 8.0, Percona 5.7, and MariaDB 10.1)
Supported

TDSQL-C MySQL > MariaDB

Source Database and Version
Target Database and Version
Two-Way Sync
Reference Documentation
TDSQL-C for MySQL 5.7 and 8.0
Sync between databases under the same root account
Sync between databases under different root accounts
Self-Built Databases
Self-built MariaDB 5.5, 10.0-10.6 databases in IDCs
Self-built MariaDB 5.5, 10.0-10.6 databases on CVM
TencentDB for MariaDB (Database versions: MySQL 8.0, Percona 5.7, and MariaDB 10.1)
Supported

TDSQL MySQL > MariaDB

Source Database and Version
Target Database and Version
Two-Way Sync
Reference Documentation
TencentDB for MySQL (Database versions: MySQL 8.0, Percona 5.7, and MariaDB 10.1)
Sync between databases under the same root account
Sync between databases under different root accounts
Self-Built Databases
Self-built MariaDB 5.5, 10.0-10.6 databases in IDCs
Self-built MariaDB 5.5, 10.0-10.6 databases on CVM
TencentDB for MariaDB (Database versions: MySQL 8.0, Percona 5.7, and MariaDB 10.1)
Not supported

Sync to TDSQL-C for MySQL

MySQL > TDSQL-C MySQL

Source Database and Version
Target Database and Version
Two-Way Sync
Reference Documentation
Self-Built Databases
Self-built MySQL 5.5, 5.6, 5.7 and 8.0 databases in IDCs
Self-built MySQL 5.5, 5.6, 5.7 and 8.0 databases on CVM

TDSQL-C for MySQL 5.7 and 8.0
Supported
Third-Party Cloud Providers
Alibaba Cloud ApsaraDB for RDS 5.6, 5.7 and 8.0
Alibaba Cloud PolarDB 5.6, 5.7 and 8.0
Amazon RDS for MySQL 5.6, 5.7 and 8.0
Amazon Aurora MySQL 5.6 and 5.7
TDSQL-C for MySQL 5.7 and 8.0
TencentDB for MySQL 5.5, 5.6, 5.7 and 8.0
Sync between databases under the same root account
Sync between databases under different root accounts
TDSQL-C for MySQL 5.7 and 8.0

MariaDB > TDSQL-C MySQL

Source Database and Version
Target Database and Version
Two-Way Sync
Reference Documentation
Self-Built Databases
Self-built MariaDB 5.5, 10.0-10.6 databases in IDCs
Self-built MariaDB 5.5, 10.0-10.6 databases on CVM
TDSQL-C for MySQL 5.7 and 8.0
Supported
TencentDB for MariaDB (Database versions: MySQL 8.0, Percona 5.7, and MariaDB 10.1)
Sync between databases under the same root account
Sync between databases under different root accounts
TDSQL-C for MySQL 5.7 and 8.0

Percona > TDSQL-C MySQL

Source Database and Version
Target Database and Version
Two-Way Sync
Reference Documentation
Self-Built Databases
Self-built Percona 5.5, 5.6, 5.7 and 8.0 databases in IDCs
Self-built Percona 5.5, 5.6, 5.7 and 8.0 databases on CVM
TDSQL-C for MySQL 5.7 and 8.0
Supported

TDSQL-C MySQL > TDSQL-C MySQL

Source Database and Version
Target Database and Version
Two-Way Sync
Reference Documentation
TDSQL-C for MySQL 5.7 and 8.0
Sync between databases under the same root account
Sync between databases under different root accounts
TDSQL-C for MySQL 5.7 and 8.0
Supported

TDSQL MySQL > TDSQL-C MySQL

Source Database and Version
Target Database and Version
Two-Way Sync
Reference Documentation
TencentDB for MySQL (Database versions: MySQL 8.0, Percona 5.7, and MariaDB 10.1)
Sync between databases under the same root account
Sync between databases under different root accounts
TDSQL-C for MySQL 5.7 and 8.0
Not supported

Sync to TDSQL for MySQL

MySQL > TDSQL MySQL

Source Database and Version
Target Database and Version
Two-Way Sync
Reference Documentation
Self-Built Databases
Self-built MySQL 5.6, 5.7 and 8.0 databases in IDCs
Self-built MySQL 5.6, 5.7 and 8.0 databases on CVM

TencentDB for MySQL (Database versions: MySQL 8.0, Percona 5.7, and MariaDB 10.1)
Not supported
TencentDB for MySQL 5.6, 5.7 and 8.0
Sync between databases under the same root account
Sync between databases under different root accounts
TencentDB for MySQL (Database versions: MySQL 8.0, Percona 5.7, and MariaDB 10.1)

MariaDB > TDSQL MySQL

Source Database and Version
Target Database and Version
Two-Way Sync
Reference Documentation
Self-Built Databases
Self-built MariaDB 5.5, 10.0-10.6 databases in IDCs
Self-built MariaDB 5.5, 10.0-10.6 databases on CVM
TencentDB for MySQL (Database versions: MySQL 8.0, Percona 5.7, and MariaDB 10.1)
Not supported
TencentDB for MariaDB (Database versions: MySQL 8.0, Percona 5.7, and MariaDB 10.1)
Sync between databases under the same root account
Sync between databases under different root accounts
TencentDB for MySQL (Database versions: MySQL 8.0, Percona 5.7, and MariaDB 10.1)

Percona > TDSQL MySQL

Source Database and Version
Target Database and Version
Two-Way Sync
Reference Documentation
Self-Built Databases
Self-built Percona 5.5, 5.6, 5.7 and 8.0 databases in IDCs
Self-built Percona 5.5, 5.6, 5.7 and 8.0 databases on CVM
TencentDB for MySQL (Database versions: MySQL 8.0, Percona 5.7, and MariaDB 10.1)
Not supported

TDSQL-C MySQL > TDSQL MySQL

Source Database and Version
Target Database and Version
Two-Way Sync
Reference Documentation
TDSQL-C for MySQL 5.7 and 8.0
Sync between databases under the same root account
Sync between databases under different root accounts
TencentDB for MySQL (Database versions: MySQL 8.0, Percona 5.7, and MariaDB 10.1)
Not supported

TDSQL MySQL > TDSQL MySQL

Source Database and Version
Target Database and Version
Two-Way Sync
Reference Documentation
TencentDB for MySQL (Database versions: MySQL 8.0, Percona 5.7, and MariaDB 10.1)
Sync between databases under the same root account
Sync between databases under different root accounts
Self-built TDSQL for MySQL
TencentDB for MySQL (Database versions: MySQL 8.0, Percona 5.7, and MariaDB 10.1)
Supported
Self-built TDSQL for MySQL
TencentDB for MySQL (Database versions: MySQL 8.0, Percona 5.7, and MariaDB 10.1)

MySQL > TDSQL TDStore

Source Database and Version
Target Database and Version
Two-Way Sync
Reference Documentation
Self-Built Databases
Self-built MySQL 5.5, 5.6, 5.7 and 8.0 databases in IDCs
Self-built MySQL 5.5, 5.6, 5.7 and 8.0 databases on CVM
TDSQL for MySQL TDStore
Not supported
TencentDB for MySQL 5.5, 5.6, 5.7 and 8.0
Sync between databases under the same root account
Sync between databases under different root accounts
TDSQL for MySQL TDStore

MariaDB > TDSQL TDStore

Source Database and Version
Target Database and Version
Two-Way Sync
Reference Documentation
Self-Built Databases
Self-built MariaDB 5.5, 10.0-10.6 databases in IDCs
Self-built MariaDB 5.5, 10.0-10.6 databases on CVM
TDSQL for TDStore
Not supported
TencentDB for MariaDB (Database versions: MySQL 8.0, Percona 5.7, and MariaDB 10.1)
Sync between databases under the same root account
Sync between databases under different root accounts
TDSQL for MySQL TDStore

Percona > TDSQL TDStore

Source Database and Version
Target Database and Version
Two-Way Sync
Reference Documentation
Self-Built Databases
Self-built Percona 5.5, 5.6, 5.7 and 8.0 databases in IDCs
Self-built Percona 5.5, 5.6, 5.7 and 8.0 databases on CVM
TDSQL for MySQL TDStore
Not supported

Sync to TDSQL for PostgreSQL

MySQL > TDSQL PostgreSQL

Source Database and Version
Target Database and Version
Two-Way Sync
Reference Documentation
TencentDB for MySQL 5.5, 5.6, 5.7 and 8.0
Sync between databases under the same root account
Sync between databases under different root accounts
TencentDB for TDSQL PostgreSQL
Not supported
Sync from TencentDB for MySQL to TDSQL for PostgreSQL

Sync to PostgreSQL

PostgreSQL > PostgreSQL

Source Database and Version
Target Database and Version
Two-Way Sync
Reference Documentation
Self-built PostgreSQL 10-17
TencentDB for PostgreSQL 10-17
Supported
Third-Party Cloud Providers
Alibaba Cloud RDS PostgreSQL 10-17
AWS RDS PostgreSQL 10-17
Huawei Cloud RDS for PostgreSQL 10-17
TencentDB for PostgreSQL 10-17
TencentDB for PostgreSQL 10-17
TencentDB for PostgreSQL 10-17

Sync to MongoDB

MongoDB > MongoDB

Source Database and Version
Target Database and Version
Two-Way Sync
Reference Documentation
Self-built MongoDB (IDC self-built databases and self-built databases on Cloud Virtual Machine (CVM) instances) 4.0, 4.2, 4.4, 5.0, 6.0, and 7.0
TencentDB for MongoDB 4.0, 4.2, 4.4, 5.0, 6.0, 7.0 and 8.0
Not supported
MongoDB 4.0, 4.2, 4.4, 5.0, 6.0, and 7.0 from third-party cloud vendors
TencentDB for MongoDB 4.0, 4.2, 4.4, 5.0, 6.0, 7.0 and 8.0

Sync to Kafka

MySQL > Kafka

Source Database and Version
Target Database and Version
Reference Documentation
Self-Built Databases
Self-built MySQL 5.5, 5.6, 5.7 and 8.0 databases in IDCs
Self-built MySQL 5.5, 5.6, 5.7 and 8.0 databases on CVM
Message Queue CKafka 1.1.1 and later
Third-Party Cloud Providers
Alibaba Cloud ApsaraDB for RDS 5.6, 5.7 and 8.0
Alibaba Cloud PolarDB 5.6, 5.7 and 8.0
Amazon RDS for MySQL 5.6, 5.7 and 8.0
Amazon Aurora MySQL 5.6 and 5.7
Message Queue CKafka 1.1.1 and later
TencentDB for MySQL 5.5, 5.6, 5.7 and 8.0
Sync between databases under the same root account
Sync between databases under different root accounts
Message Queue CKafka 1.1.1 and later

MariaDB > Kafka

Source Database and Version
Target Database and Version
Reference Documentation
Self-Built Databases
Self-built MariaDB 5.5, 10.0-10.6 databases in IDCs
Self-built MariaDB 5.5, 10.0-10.6 databases on CVM
Message Queue CKafka 1.1.1 and later
TencentDB for MariaDB (Database versions: MySQL 8.0, Percona 5.7, and MariaDB 10.1)
Sync between databases under the same root account
Sync between databases under different root accounts
Message Queue CKafka 1.1.1 and later

Percona > Kafka

Source Database and Version
Target Database and Version
Reference Documentation
Self-Built Databases
Self-built Percona 5.5, 5.6, 5.7 and 8.0 databases in IDCs
Self-built Percona 5.5, 5.6, 5.7 and 8.0 databases on CVM
Message Queue CKafka 1.1.1 and later

TDSQL-C MySQL > Kafka

Source Database and Version
Target Database and Version
Reference Documentation
TDSQL-C for MySQL 5.7 and 8.0
Sync between databases under the same root account
Sync between databases under different root accounts
Message Queue CKafka 1.1.1 and later

TDSQL MySQL > Kafka

Source Database and Version
Target Database and Version
Reference Documentation
TencentDB for MySQL (Database versions: MySQL 8.0, Percona 5.7, and MariaDB 10.1)
Sync between databases under the same root account
Sync between databases under different root accounts
Message Queue CKafka 1.1.1 and later
Sync from TDSQL for MySQL to Kafka
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