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OceanBase Migration Service

V3.3.1Community Edition
  • Product updates
  • Product Introduction
    • What is OMS Community Edition?
    • Architecture
      • Overview
      • Hierarchical functional system
      • Basic components
    • Limits
    • Terms
  • Deployment Guide
    • Overview
    • System requirements
    • Resource configuration specifications
    • Prepare the environment
    • Deploy a time-series database (Optional)
    • Deploy OMS Community Edition on a single node
    • Deploy OMS Community Edition on multiple nodes in a single region
    • Deploy OMS Community Edition on multiple nodes in multiple regions
    • Check the deployment
    • Scale out OMS Community Edition
  • User Guide
    • OMS Community Edition console
      • Log on to the OMS Community Edition console
      • Overview
      • User center
        • Configure user information
        • Change your logon password
        • Log off
    • Users and privileges
      • Create a database user
      • User privileges
      • Enable binlogs for the MySQL database
    • Manage data sources
      • Add a data source
        • Add an OceanBase Community Edition data source
        • Add a MySQL data source
        • Add a TiDB data source
        • Add a Kafka data source
        • Add a RocketMQ data source
      • View data source information
      • Copy a data source
      • Edit a data source
      • Delete a data source
    • Data migration
      • Overview
      • Supported DDL operations for incremental migration and limits
      • Create a data migration project
        • Create a project to migrate data from a MySQL database to OceanBase database Community Edition
        • Create a project to migrate data from OceanBase database Community Edition to a MySQL database
        • Migrate data within OceanBase database Community Edition
        • Create an active-active disaster recovery project in OceanBase database Community Edition
        • Create a project to migrate data from a TiDB database to OceanBase database Community Edition
      • Manage data migration projects
        • View details of a data migration project
        • Start, pause, and resume a data migration project
        • Release a data migration project
        • Delete a data migration project
        • Use tags to manage data migration projects
        • Download and import the settings of migration objects
      • Configure matching rules for migration objects
    • Data synchronization
      • Overview
      • Data formats
      • Create a data synchronization project
        • Create a project to synchronize data from an OceanBase database Community Edition to a Kafka instance
        • Create a project to synchronize data from an OceanBase database Community Edition to a RocketMQ instance
      • Manage data synchronization projects
        • View details of a data synchronization project
        • Start, pause, and resume a data synchronization project
        • Release and delete a data synchronization project
        • Use tags to manage data synchronization projects
        • Download and import the settings of synchronization objects
    • OPS & Monitoring
      • Go to the overview page
      • Server
        • View server information
        • Update the quota
        • View server logs
        • Paths of component logs
      • Components
        • Store
          • Create a store
          • View details of a store
          • Update the configurations of a store
          • Start and pause a store
          • Destroy a store
        • Connector
          • View details about a connector
          • Start and pause a connector
          • Migrate a connector
          • Update the configurations of a connector
          • Batch O&M
          • Delete a connector
        • JDBCWriter
          • View details of a JDBCWriter
          • Start and pause a JDBCWriter
          • Migrate a JDBCWriter
          • Update the configurations of a JDBCWriter
          • Batch O&M
          • Delete a JDBCWriter
        • Checker
          • View details of a checker
          • Start and pause a checker
          • Rerun and recover a checker
          • Update the configurations of a checker
          • Delete a checker
      • O&M ticket
        • View details of an O&M ticket
        • Skip a ticket or sub-ticket
        • Retry a ticket or sub-ticket
      • Component parameters
        • Store parameters
          • Parameters of a MySQL store
          • Parameters of an OceanBase store
        • Connector parameters
          • Parameters of a destination RocketMQ instance
          • Parameters of a DataflowSink instance
          • Parameters of a destination Kafka instance
          • Parameters of a source database in full migration
          • Parameters for intermediate-layer synchronization
        • JDBCWriter parameters
        • Checker parameters
    • System management
      • User management
      • Alert center
        • View project alerts
        • View system alerts
        • Manage alert settings
      • Associate with OCP
      • System Parameters
        • Modify system parameters
        • Modify HA configurations
  • Alert Reference
    • oms_host_down
    • oms_host_down_migrate_resource
    • oms_host_threshold
    • oms_migration_failed
    • oms_migration_delay
    • oms_sync_failed
    • oms_sync_status_inconsistent
    • oms_sync_delay
  • API Reference
    • Obtain the status of a migration project
    • Obtain the status of a synchronization project
  • Upgrade Guide
    • Overview
    • Upgrade OMS Community Edition in single-node deployment mode
    • Upgrade OMS Community Edition in multi-node deployment mode
    • FAQ

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  5. V3.3.1

Limits

Last Updated:2026-09-04 08:14:02

This topic describes the limits of OceanBase Migration Service (OMS) Community Edition.

  • The following table describes the versions of OceanBase Community Edition and other databases that OMS Community Edition supports in data synchronization and data migration:

    Category
    Data migration
    Data synchronization
    OceanBase Community Edition V3.1.0-CE, V3.1.1-CE, V3.1.2-CE, V3.1.3-CE, and V3.1.4-CE V3.1.0-CE, V3.1.1-CE, V3.1.2-CE, V3.1.3-CE, and V3.1.4-CE
    Other databases
    • MySQL: 5.5, 5.6, 5.7, and 8.0
    • MariaDB: V10.2
    • Kafka: 0.9, 1.0, and 2.X
    • RocketMQ: V4.7.1

  • OMS Community Edition supports OceanBase Cloud Platform (OCP) Community Edition V3.1.1-CE and V3.3.0-CE.

  • OMS Community Edition supports only the x86 architecture.

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