Database Transmission Service
Database Transmission Service
Database Transmission Service
Document
What's new
Overview
Constraints and limits
Billing
Pre-check items
Permission management
Getting started
Quick start guide for data migration
Quick start guide for data subscription
Quick start guide for data synchronization
Data migration
Creating a data migration task for MySQL
Volcano Engine RDS for MySQL as the source
Volcano Engine veDB for MySQL as the source
MySQL connected over public network as the source
MySQL connected over express network as the source
Creating a data migration task for PostgreSQL
Volcano Engine RDS for PostgreSQL as the source
PostgreSQL connected over public network as the source
PostgreSQL connected over express network as the source
Creating a data migration task for SQL Server
Volcano Engine SQL Server as the source
SQL Server connected over public network as the source
SQL Server connected over express network as the source
Creating a data migration task for Redis
Volcano Engine Cache for Redis as the source
Redis connected over public network as the source
Redis connected over express network as the source
Creating a data migration task for MongDB
Volcano Engine Document Database for MongoDB as the source
MongoDB connected over public network as the source
MongoDB connected over express network as the source
Creating a data migration task for Supabase
Supabase connected over public network as the source
Supabase connected over express network as the source
Data subscription
Creating a data subscription task for MySQL
Creating a data subscription task for PostgreSQL
Consuming subscription data
Data synchronization
Creating a data synchronization task for MySQL
Volcano Engine RDS for MySQL as the source
Volcano Engine veDB for MySQL as the source
MySQL connected over public network as the source
MySQL connected over express network as the source
Creating a data synchronization task for Redis
Volcano Engine Cache for Redis as the source
Redis connected over public network as the source
Redis connected over express network as the source
Creating a data synchronization task for PostgreSQL
Volcano Engine RDS for PostgreSQL as the source
PostgreSQL connected over public network as the source
PostgreSQL connected over express network as the source
Creating a data synchronization task for MongoDB
Volcano Engine Database for MongoDB as the source
MongoDB connected over public network as the source
MongoDB connected over express network as the source
Creating a data synchronization task for Milvus
ETL task management
(Beta) Data verification
(Beta) Migration evaluation
Monitoring and alerts
Best practices
Data migration
Data subscription
API reference
Billing
Data transmission
Data subscription (consumer group management)
Data verification
Migration evaluation
Pre-check
Appendix
SDK reference
FAQs
Common general questions
Pre-check
Troubleshooting
- Documentation
Database Transmission ServicePre-check itemsPre-check items (Milvus)
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Pre-check items (Milvus)
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Database Transmission Service (DTS) performs various checks on databases before creating or configuring synchronization tasks for Milvus. This topic introduces the details of check items.
tip
The pre-check result levels include Error and Warning, as detailed below:
- Error: indicates an error-level check result. When this type of error occurs during task creation pre-check, it can not be ignored. Relevant information must be modified according to the prompts before re-running the pre-check.
- Warning: indicates a prompt-level pre-check result. When this type of error occurs during task creation pre-check, it can be ignored.
Item | Link | Check scope | Level | Check content | Remarks |
Environment detection. | MySQL2Milvus |
| Error | Environment detection. | None |
| Milvus2Milvus | Full initialization | | | |
Source end connectivity check | MySQL2Milvus |
| Error | Check whether DTS can connect to the source and target Milvus databases. | None |
Milvus source database connectivity check | Milvus2Milvus | Full initialization | | | |
Source database version detection | MySQL2Milvus |
| Error | Check whether the source database version is supported | The source database versions are all greater than MySQL 5.5. |
Source Milvus database version detection | Milvus2Milvus | Full initialization | Error | Check whether the source Milvus database version is supported | The supported database engine versions are 2.5 and 2.6. |
Database connection and architecture wildcard rule check | MySQL2Milvus |
| Error | Check the database and schema wildcard rules. | None |
| Milvus2Milvus | Full initialization | | | |
Source table/database existence check | MySQL2Milvus |
| Error | Check whether the specified tables/databases exist in the source database | None |
Milvus target database connectivity check | MySQL2Milvus |
| Error | Check whether the data transmission server can connect to the target Milvus database. | None |
| Milvus2Milvus | Full initialization | | | |
Target Milvus database version detection | MySQL2Milvus |
| Error | Check whether the target Milvus database version is supported. | The supported database engine versions are 2.5 and 2.6. |
| Milvus2Milvus | Full initialization | | | |
Last updated: 2026.06.05 11:56:21
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