OceanBase logo

OceanBase

A unified distributed database ready for your transactional, analytical, and AI workloads.

DEPLOY YOUR WAY

OceanBase Cloud

The best way to deploy and scale OceanBase

OceanBase Enterprise

Run and manage OceanBase on your infra

TRY OPEN SOURCE

OceanBase Community Edition

The free, open-source distributed database

OceanBase seekdb

Open source AI native search database

Customer Stories

Real-world success stories from enterprises across diverse industries.

View All
BY USE CASES

Mission-Critical Transactions

Global & Multicloud Application

Elastic Scaling for Peak Traffic

Real-time Analytics

Active Geo-redundancy

Database Consolidation

Resources

Comprehensive knowledge hub for OceanBase.

Blog

Live Demos

Training & Certification

Documentation

Official technical guides, tutorials, API references, and manuals for all OceanBase products.

View All
PRODUCTS

OceanBase Cloud

OceanBase Database

Tools

Connectors and Middleware

QUICK START

OceanBase Cloud

OceanBase Database

BEST PRACTICES

Practical guides for utilizing OceanBase more effectively and conveniently

Company

Learn more about OceanBase – our company, partnerships, and trust and security initiatives.

About OceanBase

Partner

Trust Center

Contact Us

International - English
中国站 - 简体中文
日本 - 日本語
Sign In
Start on Cloud

A unified distributed database ready for your transactional, analytical, and AI workloads.

DEPLOY YOUR WAY

OceanBase Cloud

The best way to deploy and scale OceanBase

OceanBase Enterprise

Run and manage OceanBase on your infra

TRY OPEN SOURCE

OceanBase Community Edition

The free, open-source distributed database

OceanBase seekdb

Open source AI native search database

Customer Stories

Real-world success stories from enterprises across diverse industries.

View All
BY USE CASES

Mission-Critical Transactions

Global & Multicloud Application

Elastic Scaling for Peak Traffic

Real-time Analytics

Active Geo-redundancy

Database Consolidation

Comprehensive knowledge hub for OceanBase.

Blog

Live Demos

Training & Certification

Documentation

Official technical guides, tutorials, API references, and manuals for all OceanBase products.

View All
PRODUCTS
OceanBase CloudOceanBase Database
ToolsConnectors and Middleware
QUICK START
OceanBase CloudOceanBase Database
BEST PRACTICES

Practical guides for utilizing OceanBase more effectively and conveniently

Learn more about OceanBase – our company, partnerships, and trust and security initiatives.

About OceanBase

Partner

Trust Center

Contact Us

Start on Cloud
编组
All Products
    • Databases
    • iconOceanBase Database
    • iconOceanBase Cloud
    • iconOceanBase Tugraph
    • iconInteractive Tutorials
    • iconOceanBase Best Practices
    • Tools
    • iconOceanBase Cloud Platform
    • iconOceanBase Migration Service
    • iconOceanBase Developer Center
    • iconOceanBase Migration Assessment
    • iconOceanBase Admin Tool
    • iconOceanBase Loader and Dumper
    • iconOceanBase Deployer
    • iconKubernetes operator for OceanBase
    • iconOceanBase Diagnostic Tool
    • iconOceanBase Binlog Service
    • Connectors and Middleware
    • iconOceanBase Database Proxy
    • iconEmbedded SQL in C for OceanBase
    • iconOceanBase Call Interface
    • iconOceanBase Connector/C
    • iconOceanBase Connector/J
    • iconOceanBase Connector/ODBC
    • iconOceanBase Connector/NET
icon

OceanBase Migration Service

V4.2.3Community Edition

  • OMS Documentation
  • OMS Community Edition Introduction
    • What is OMS Community Edition?
    • Terms
    • OMS Community Edition HA
    • Architecture
      • Overview
      • Hierarchical functional system
      • Basic components
    • Limitations
  • Quick Start
    • Data migration process
    • Data synchronization process
  • Deploy OMS Community Edition
    • Deployment modes
    • System and network requirements
    • Memory and disk requirements
    • Prepare the environment
    • 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
    • Integrate the OIDC protocol into OMS Community Edition to implement SSO
    • Scale out OMS Community Edition
    • Check the deployment
    • Deploy a time-series database (Optional)
  • OMS Community Edition console
    • Log on to the console of OMS Community Edition
    • Overview
    • User center
      • Configure user information
      • Change your logon password
      • Log off
  • Data migration
    • Overview
    • Migrate data from a MySQL database to OceanBase Database Community Edition
    • Migrate data from OceanBase Database Community Edition to a MySQL database
    • Migrate data from HBase to OBKV
    • Migrate data between instances of OceanBase Database Community Edition
    • Migrate data in active-active disaster recovery scenarios
    • Migrate data from a TiDB database to OceanBase Database Community Edition
    • Migrate data from a PostgreSQL database to OceanBase Database Community Edition
    • Manage data migration projects
      • View the details of a data migration project
      • Change the name of a data migration project
      • View and modify migration objects
      • Manage computing platforms
      • Use tags to manage data migration projects
      • Perform batch operations on data migration projects
      • Download and import settings of migration objects
      • Start and pause a data migration project
      • Release and delete a data migration project
    • Features
      • DML filtering
      • DDL synchronization
      • Configure matching rules for migration objects
      • Wildcard rules
      • Rename a database table
      • Use SQL conditions to filter data
      • Create and update a heartbeat table
      • Schema migration mechanisms
      • Schema migration operations
      • Set an incremental synchronization timestamp
    • Supported DDL operations in incremental migration and limits
      • DDL synchronization from MySQL database to OceanBase Community Edition
        • Overview of DDL synchronization from a MySQL database to a MySQL tenant of OceanBase Database
        • CREATE TABLE
          • Create a table
          • Create a column
          • Create an index or a constraint
          • Create partitions
        • Data type conversion
        • ALTER TABLE
          • Modify a table
          • Operations on columns
          • Operations on constraints and indexes
          • Operations on partitions
        • TRUNCATE TABLE
        • RENAME TABLE
        • DROP TABLE
        • CREATE INDEX
        • DROP INDEX
        • DDL incompatibilities between MySQL database and OceanBase Community Edition
          • Overview
          • Incompatibilities of the CREATE TABLE statement
            • Incompatibilities of CREATE TABLE
            • Column types that are supported to create indexes or constraints
          • Incompatibilities of the ALTER TABLE statement
            • Incompatibilities of ALTER TABLE
            • Change the type of a constrained column
            • Change the type of an unconstrained column
            • Change the length of a constrained column
            • Change the length of an unconstrained column
            • Delete a constrained column
          • Incompatibilities of DROP INDEX operations
      • Supported DDL operations in incremental migration from OceanBase Community Edition to a MySQL database and limits
      • Supported DDL operations in incremental migration between MySQL tenants of OceanBase Database
  • Data synchronization
    • Data synchronization overview
    • Create a project to synchronize data from OceanBase Database Community Edition to a Kafka instance
    • Create a project to synchronize data from OceanBase Database Community Edition to a RocketMQ instance
    • Manage data synchronization projects
      • View details of a data synchronization project
      • Change the name of a data synchronization project
      • View and modify synchronization objects
      • Use tags to manage data synchronization projects
      • Perform batch operations on data synchronization projects
      • Download and import the settings of synchronization objects
      • Start and pause a data synchronization project
      • Release and delete a data synchronization project
    • Features
      • DML filtering
      • DDL synchronization
      • Rename a topic
      • Use SQL conditions to filter data
      • Column filtering
      • Data formats
  • Create and manage data sources
    • Create data sources
      • Create an OceanBase-CE data source
      • Create a MySQL data source
      • Create a TiDB data source
      • Create a Kafka data source
      • Create a RocketMQ data source
      • Create a PostgreSQL data source
      • Create an HBase data source
    • Manage data sources
      • View data source information
      • Copy a data source
      • Edit a data source
      • Delete a data source
    • Create a database user
    • User privileges
    • Enable binlogs for the MySQL database
  • OPS & Monitoring
    • O&M overview
    • Go to the overview page
    • Server
      • View server information
      • Update the quota
      • View server logs
    • Components
      • Store
        • Create a store
        • View details of a store
        • Update the configurations of a store
        • Start and pause a store
        • Delete a store
      • Incr-Sync
        • View details of an Incr-Sync component
        • Start and pause an Incr-Sync component
        • Migrate an Incr-Sync component
        • Update the configurations of an Incr-Sync component
        • Batch O&M
        • Delete an Incr-Sync component
      • Full-Import
        • View details of a Full-Import component
        • Pause a Full-Import component
        • Rerun and resume a Full-Import component
        • Update the configurations of a Full-Import component
        • Delete a Full-Import component
      • Full-Verification
        • View details of a Full-Verification component
        • Pause a Full-Verification component
        • Rerun and resume a Full-Verification component
        • Update the configurations of a Full-Verification component
        • Delete a Full-Verification component
    • O&M Task
      • View O&M tasks
      • Skip a task or subtask
      • Retry a task or subtask
  • System management
    • Permission Management
      • Overview
      • Manage users
      • Manage departments
    • Alert center
      • View project alerts
      • View system alerts
      • Manage alert settings
    • Associate with OCP
    • System parameters
      • Modify system parameters
      • Modify HA configurations
  • OMS Community Edition O&M
    • Manage OMS services
    • OMS logs
    • Component O&M
      • O&M operations for the Supervisor component
      • CLI-based O&M for the Connector component
      • O&M operations for the Store component
    • Component tuning
      • Incr-Sync or Full-Import tuning
    • Component parameters
      • Coordinator
      • Condition
      • Source Plugin
        • Overview
        • StoreSource
        • DataFlowSource
        • LogProxySource
        • KafkaSource (TiDB)
        • HBaseSource
      • Sink Plugin
        • Overview
        • JDBC-Sink
        • KafkaSink
        • DatahubSink
        • RocketMQSink
        • HBaseSink
      • Store parameters
        • Parameters of a MySQL store
        • Parameters of an OceanBase store
      • Parameters of the CM component
      • Parameters of the Supervisor component
      • Full-Verification parameters
    • Set throttling
  • Reference Guide
    • API Reference
      • Overview
      • CreateProject
      • StartProject
      • StopProject
      • ResumeProject
      • ReleaseProject
      • DeleteProject
      • ListProjects
      • DescribeProject
      • DescribeProjectSteps
      • DescribeProjectStepMetric
      • DescribeProjectProgress
      • DescribeProjectComponents
      • ListProjectFullVerifyResult
      • StartProjectsByLabel
      • StopProjectsByLabel
      • CreateMysqlDataSource
      • CreateOceanBaseDataSource
      • ListDataSource
      • CreateLabel
      • ListAllLabels
      • ListFullVerifyInconsistenciesResult
      • ListFullVerifyCorrectionsResult
      • UpdateStore
      • UpdateFullImport
      • UpdateIncrSync
      • UpdateFullVerification
    • OMS error codes
    • 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
    • Telemetry parameters
  • Upgrade Guide
    • Overview
    • Upgrade OMS Community Edition in single-node deployment mode
    • Upgrade OMS Community Edition in multi-node deployment mode
    • FAQ
  • FAQ
    • General O&M
      • How do I modify the resource quotas of an OMS container?
      • Clear files in the Store component
      • How do I troubleshoot the OMS server down issue?
      • Deploy InfluxDB for OMS
      • Increase the disk space of the OMS host
    • Project diagnostics
      • What do I do when a store does not have data of the timestamp requested by the downstream?
      • What do I do when OceanBase Store failed to access an OceanBase cluster through RPC?
    • OPS & monitoring
      • What are the alert rules?
    • Data synchronization
      • FAQ about synchronization to a message queue
        • What are the strategies for ensuring the message order in incremental data synchronization to Kafka
    • Data migration
      • Full migration
        • How do I query the ID of a checker?
        • How do I query log files of the Checker component of OMS?
        • How do I query the verification result files of the Checker component of OMS?
        • What do I do if the destination table does not exist?
        • What can I do when the full migration failed due to LOB fields?
        • What do I do if garbled characters cannot be written into OceanBase Database V3.1.2?
      • Incremental synchronization
        • How do I skip DDL statements?
        • How do I update whitelists and blacklists?
        • What are the application scope and limits of ETL?
    • Installation and deployment
      • How do I upgrade Store?
      • How do I upgrade CDC?
      • What do I do when the "Failed to fetch" error is reported?
      • Change port numbers for components
      • Switch to the standby database

Download PDF

OMS Documentation What is OMS Community Edition? Terms OMS Community Edition HA Overview Hierarchical functional system Basic components Limitations Data migration process Data synchronization process Deployment modes System and network requirements Memory and disk requirements Prepare the environment 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 Integrate the OIDC protocol into OMS Community Edition to implement SSO Scale out OMS Community Edition Check the deployment Deploy a time-series database (Optional) Log on to the console of OMS Community Edition Overview Configure user information Change your logon password Log off Overview Migrate data from a MySQL database to OceanBase Database Community Edition Migrate data from OceanBase Database Community Edition to a MySQL database Migrate data from HBase to OBKV Migrate data between instances of OceanBase Database Community Edition Migrate data in active-active disaster recovery scenarios Migrate data from a TiDB database to OceanBase Database Community Edition Migrate data from a PostgreSQL database to OceanBase Database Community Edition View the details of a data migration project Change the name of a data migration project View and modify migration objects Manage computing platforms Use tags to manage data migration projects Perform batch operations on data migration projects Download and import settings of migration objects Start and pause a data migration project Release and delete a data migration project DML filtering DDL synchronization Configure matching rules for migration objects Wildcard rules Rename a database table Use SQL conditions to filter data Create and update a heartbeat table Schema migration mechanisms Schema migration operations Set an incremental synchronization timestamp Supported DDL operations in incremental migration from OceanBase Community Edition to a MySQL database and limits Supported DDL operations in incremental migration between MySQL tenants of OceanBase Database Data synchronization overview Create a project to synchronize data from OceanBase Database Community Edition to a Kafka instance Create a project to synchronize data from OceanBase Database Community Edition to a RocketMQ instance View details of a data synchronization project Change the name of a data synchronization project View and modify synchronization objects Use tags to manage data synchronization projects Perform batch operations on data synchronization projects Download and import the settings of synchronization objects Start and pause a data synchronization project Release and delete a data synchronization project DML filtering DDL synchronization Rename a topic Use SQL conditions to filter data Column filtering Data formats Create an OceanBase-CE data source Create a MySQL data source Create a TiDB data source Create a Kafka data source Create a RocketMQ data source Create a PostgreSQL data source Create an HBase data source View data source information Copy a data source Edit a data source Delete a data source Create a database user User privileges Enable binlogs for the MySQL database O&M overview Go to the overview page View server information Update the quota View server logs View O&M tasks Skip a task or subtask Retry a task or subtask Overview Manage users Manage departments View project alerts View system alerts Manage alert settings
OceanBase logo

The Unified Distributed Database for the AI Era.

Follow Us
Products
OceanBase CloudOceanBase EnterpriseOceanBase Community EditionOceanBase seekdb
Resources
DocsBlogLive DemosTraining & Certification
Company
About OceanBaseTrust CenterLegalPartnerContact Us
Follow Us

© OceanBase 2026. All rights reserved

Cloud Service AgreementPrivacy PolicySecurity
Contact Us
Document Feedback
  1. Documentation Center
  2. OceanBase Migration Service
  3. V4.2.3
iconOceanBase Migration Service
V 4.2.3Community Edition
Enterprise Edition
  • V 4.3.2
  • V 4.3.1
  • V 4.3.0
  • V 4.2.5
  • V 4.2.4
  • V 4.2.3
  • V 4.0.2
  • V 3.4.0
Community Edition
  • V 4.2.12
  • V 4.2.11
  • V 4.2.10
  • V 4.2.9
  • V 4.2.8
  • V 4.2.7
  • V 4.2.6
  • V 4.2.5
  • V 4.2.4
  • V 4.2.3
  • V 4.2.1
  • V 4.2.0
  • V 4.0.0
  • V 3.3.1

StoreSource

Last Updated:2024-04-18 03:40:56  Updated
share
What is on this page
Starter class
[Metadata] clients
[Metadata] username
[Metadata] password
[Metadata] dbType
[Checkpoint information] checkpoint
[Store parameters] connectionTimeoutSec
[Store parameters] maxRetries
[Cyclical replication prevention] askSelfUnit
[Cyclical replication prevention] blackRegionNo
[Cyclical replication prevention] drcMarkTable
[Cyclical replication prevention] drcMarkDb
[DDL] ignoreDdl
[Transaction splitting] splitThreshold
[Store parameters] storeProperties
[Store parameters] sourceBatchMemorySize

folded

share

Starter class

connector-source-store.jar

com.oceanbase.oms.connector.source.store.MultiStoreSourceBooster

[Metadata] clients

  • Description: specifies the necessary information for connecting to the store.

  • Default value: None. This parameter is required.

  • Value range:

    {
    "clientId": "the unique ID, which is also the source_id specified by Condition to determine the client whose generated heartbeats are passed. A subtopic is recommended",
    "subtopic": "store subtopic",
    "clusterManagerUrl": "store url/cm url",
    "filterConditions": "store whitelist" // This parameter takes effect only for logical tables. Physical tables depend on the Conditions parameter. Therefore, this parameter does not take effect for physical tables.
    }
    
  • Supported version: OMS Community Edition V3.3.1-CE and later.

[Metadata] username

  • Description: specifies the username for connecting to the store (if the CM component is involved).

  • Default value: None.

  • Value type: String.

  • Supported version: OMS Community Edition V3.3.1-CE and later.

[Metadata] password

  • Description: specifies the password for connecting to the store (if the CM component is involved).

  • Default value: None.

  • Value type: String.

  • Supported version: OMS Community Edition V3.3.1-CE and later.

[Metadata] dbType

  • Description: specifies the type of the database where the store belongs.

  • Default value: None. This parameter is required.

  • Value range: MYSQL, OB_MYSQL, OB_ORACLE, ORACLE, DB2_LUW, POSTGRESQL, ..., DbTypeEnum

  • Supported version: OMS Community Edition V3.3.1-CE and later.

  • Note: The intermediate layer has the sourceType parameter. If the dbType parameter is absent, the sourceType parameter is used as dbType. By default, the dbType parameter in the source.json file prevails.

[Checkpoint information] checkpoint

  • Description: specifies the startup checkpoint of the store.

  • Default value: None. This parameter is required.

  • Value type: JSON.

    {
    "clientId as the key": "timestamp as the value" // Here clientId is the one configured in clients.
    }
    
  • Supported version: OMS Community Edition V3.3.1-CE and later.

[Store parameters] connectionTimeoutSec

  • Description: specifies the timeout period of store connections.

  • Default value: 120.

  • Value type: int.

  • Supported version: OMS Community Edition V3.3.1-CE and later.

[Store parameters] maxRetries

  • Description: specifies the maximum allowed number of retries for pulling data from the store.

  • Default value: 1000.

  • Value type: int.

  • Supported version: OMS Community Edition V3.3.1-CE and later.

[Cyclical replication prevention] askSelfUnit

  • Description: specifies whether to request only the data generated by the data replication center (DRC).

  • Default value: false.

  • Value type: Boolean.

  • Supported version: OMS Community Edition V3.3.1-CE and later.

[Cyclical replication prevention] blackRegionNo

  • Description: specifies the number of the region that is not involved in data migration, which is used to prevent cyclical replication.

  • Default value: Null, which indicates no filtering

  • Value type: int.

  • Supported version: OMS Community Edition V3.3.1-CE and later.

[Cyclical replication prevention] drcMarkTable

  • Description: specifies the transaction table that prevents cyclical replication and use.

  • Default value: Null.

  • Value type: String.

  • Supported version: OMS Community Edition V3.3.1-CE and later.

[Cyclical replication prevention] drcMarkDb

  • Description: specifies the database in which the transaction table that prevents cyclical replication and use is located.

  • Default value: Null.

  • Value type: String.

  • Supported version: OMS Community Edition V3.3.1-CE and later.

[DDL] ignoreDdl

  • Description: specifies whether to ignore DDL statements.

  • Default value: true.

  • Valid values: true and false.

  • Supported version: OMS Community Edition V3.3.1-CE and later.

[Transaction splitting] splitThreshold

  • Description: specifies the threshold for splitting a large transaction.

  • Default value: 128.

  • Value type: int.

  • Supported version: OMS Community Edition V3.3.1-CE and later.

[Store parameters] storeProperties

  • Description: specifies the store client parameters that are transparently transmitted.

  • Default value: None.

  • Valid values: JSON KV

  • Supported version: OMS Community Edition V4.0.0-CE and later.

[Store parameters] sourceBatchMemorySize

  • Description: specifies the maximum number of records for batch execution (recordBatch) in a transaction. The value is set based on the JVM memory. A transaction will be split for synchronization when either recordBatch or recordBatch is reached.

  • Default value: 4194304, in bytes.

  • Value type: int.

  • Supported version: OMS Community Edition V4.1.1-CE and later.

Previous topic

Overview
Last

Next topic

DataFlowSource
Next
What is on this page
Starter class
[Metadata] clients
[Metadata] username
[Metadata] password
[Metadata] dbType
[Checkpoint information] checkpoint
[Store parameters] connectionTimeoutSec
[Store parameters] maxRetries
[Cyclical replication prevention] askSelfUnit
[Cyclical replication prevention] blackRegionNo
[Cyclical replication prevention] drcMarkTable
[Cyclical replication prevention] drcMarkDb
[DDL] ignoreDdl
[Transaction splitting] splitThreshold
[Store parameters] storeProperties
[Store parameters] sourceBatchMemorySize