OceanBase Migration Service

V4.0.2Enterprise Edition

OMS Documentation
What's new
OMS Introduction
- What is OMS?
- Terms
- OMS HA
- Architecture
  - Overview
  - Hierarchical functional system
  - Basic components
- Limits
Quick Start
- Data migration process
- Data synchronization process
Deploy OMS
- Deployment types
- System and network requirements
- Memory and disk requirements
- Environment preparations
- Deploy OMS on a single node
- Deploy OMS on multiple nodes in a single region
- Deploy OMS on multiple nodes in multiple regions
- Integrate the OIDC protocol to OMS to implement SSO
- Scale-out OMS
- Check the deployment
- Deploy a time-series database (Optional)
OMS console
- Log on to the OMS console
- Overview
- User center
  - Configure user information
  - Change your logon password
  - Log off
Data migration
- Data migration overview
- Migrate data from a MySQL database to a MySQL tenant of OceanBase Database
- Migrate data from a MySQL tenant of OceanBase Database to a MySQL database
- Migrate data from an Oracle database to a MySQL tenant of OceanBase Database
- Migrate data from an Oracle tenant of OceanBase Database to an Oracle database
- Migrate data from an Oracle database to an Oracle tenant of OceanBase Database
- Migrate data from a DB2 LUW database to an Oracle tenant of OceanBase Database
- Migrate data from an Oracle tenant of OceanBase Database to a DB2 LUW database
- Migrate data from a DB2 LUW database to a MySQL tenant of OceanBase Database
- Migrate data from a MySQL tenant of OceanBase Database to a DB2 LUW database
- Migrate data within OceanBase Database
- Active-active disaster recovery between OceanBase databases
- Migrate data from a TiDB database to a MySQL tenant of OceanBase Database
- Migrate data from a PostgreSQL database to a MySQL tenant of OceanBase Database
- Manage data migration projects
  - View details of a data migration project
  - Change the name of a data migration project
  - View and modify migration objects
  - Use tags to manage data migration projects
  - Download and import the settings of migration objects
  - Start and pause a data migration project
  - Release and delete a data migration project
- Features
  - DML filtering
  - Synchronize DDL operations
  - 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 and limits for synchronization
  - DDL synchronization from a MySQL database to a MySQL tenant of OceanBase Database
    - 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 a MySQL database and a MySQL tenant of OceanBase Database
      - 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
  - Synchronize DDL operations from a MySQL tenant of OceanBase Database to a MySQL database
  - DDL operations for synchronizing data from an Oracle database to an Oracle tenant of OceanBase Database
    - Overview
    - CREATE TABLE
      - Overview
      - Create a relational table
        Create a relational table
        Define columns of a relational table
      - Virtual columns
      - Regular columns
      - Create partitions
        Overview
        Partitioning
        Subpartitioning
        Composite partitioning
        User-defined partitioning
        Subpartition templates
      - Constraints
        Overview
        Inline constraints
        Out-of-line constraints
    - CREATE INDEX
      - Overview
      - Normal indexes
    - ALTER TABLE
      - Modify tables
      - Modify, drop, and add table attributes
      - Column attribute management
        Modify, drop, and add column attributes
        Rename a column
        Add columns and column attributes
        Modify column attributes
        Drop columns
      - Modify, drop, and add constraints
      - Partition management
        Modify, drop, and add partitions
        Drop partitions
        Drop subpartitions
        Add partitions and subpartitions
        Modify partitions
        Truncate partitions
    - DROP TABLE
    - COMMENT
    - RENAME OBJECT
    - TRUNCATE TABLE
    - DROP INDEX
    - DDL incompatibilities between an Oracle database and an Oracle tenant of OceanBase Database
      - Overview
      - Incompatibilities of CREATE TABLE
      - Incompatibilities in table modification operations
        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
  - Synchronize DDL operations from an Oracle tenant of OceanBase Database to an Oracle database
  - Synchronize DDL operations from an Oracle tenant of OceanBase Database to a DB2 LUW database
  - Synchronize DDL operations from a DB2 LUW database to a MySQL tenant of OceanBase Database
  - Synchronize DDL operations from a MySQL tenant of OceanBase Database to a DB2 LUW database
  - DDL synchronization between MySQL tenants of OceanBase Database
  - DDL synchronization between Oracle tenants of OceanBase Database
Data synchronization
- Overview
- Synchronize data from OceanBase Database to a Kafka instance
- Synchronize data from an OceanBase database to a RocketMQ instance
- Synchronize data from OceanBase Database to a DataHub instance
- Synchronize data from an ODP logical table to a physical table in a MySQL tenant of OceanBase Database
- Synchronize data from an ODP logical table to a DataHub instance
- Synchronize data from an IDB logical table to a physical table in a MySQL tenant of OceanBase Database
- Synchronize data from an IDB logical table to a DataHub instance
- Synchronize data from a MySQL database to a DataHub instance
- Synchronize data from an Oracle database to a DataHub 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
  - 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
  - Synchronize DDL operations
  - Rename databases and tables
  - Rename a topic
  - Use SQL conditions to filter data
  - Column filtering
  - Data formats
Create and manage data sources
- Create data sources
  - Create an OceanBase data source
    - Create a physical OceanBase data source
    - Create a DBP data source
    - Create an IDB data source
  - Create a MySQL data source
  - Create an Oracle data source
  - Create a TiDB data source
  - Create a Kafka data source
  - Create a RocketMQ data source
  - Create a DataHub data source
  - Create a DB2 LUW data source
  - Create a PostgreSQL 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
- Minimum privileges required when an Oracle database serves as the source
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 tickets
  - View details of an O&M ticket
  - Skip a ticket or sub-ticket
  - Retry a ticket or sub-ticket
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
  - oblogproxy parameters
- Operation audit
OMS 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/Full-Import tuning
  - Oracle store tuning
- Component parameters
  - Coordinator
  - Condition
  - Source Plugin
    - Overview
    - StoreSource
    - DataFlowSource
    - LogProxySource
    - KafkaSource (TiDB)
  - Sink Plugin
    - Overview
    - JDBC-Sink
    - KafkaSink
    - DatahubSink
    - RocketMQSink
  - Store parameters
    - Parameters of an Oracle store
    - Parameters of a DB2 store
    - Parameters of a MySQL store
    - Parameters of an OceanBase store
  - Parameters of the CM component
  - Parameters of the Supervisor component
- Set throttling
Reference Guide
- API Reference
  - Obtain the status of a migration project
  - Obtain the status of a synchronization project
- 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
Upgrade Guide
- Overview
- Upgrade OMS in single-node deployment mode
- Upgrade OMS in multi-node deployment mode
- FAQ
FAQ
- General O&M
  - How do I modify the resource quotas of an OMS container?
  - How do I troubleshoot the OMS server down issue?
  - Deploy InfluxDB for OMS
  - Increase the disk space of the OMS host
- Project diagnostics
  - How do I troubleshoot common problems with Oracle Store?
  - How do I perform performance tuning for Oracle Store?
  - What do I do when Oracle Store reports an error at the isUpdatePK stack?
  - 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?
  - How do I use LogMiner to pull data from an Oracle database?
- 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
  - User privileges
    - What privileges do I need to grant to a user during data migration to or from an Oracle database?
  - 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?
Release Note
- V4.0
  - OMS V4.0.2
  - OMS V4.0.1
- V3.4
  - OMS V3.4.0
- V3.3
  - OMS V3.3.1
  - OMS V3.3.0
- V3.2
  - OMS V3.2.2
  - OMS V3.2.1
- V3.1
  - OMS V3.1.0
- V2.1
  - OMS V2.1.2
  - OMS V2.1.0

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Overview

Last Updated：2023-06-29 11:11:39 Updated

The configuration path of source plug-ins is conf/source.json. Each configuration class has a config key.

[Startup] boosterClass

Description: specifies the booster of the source plug-in.
Default value: None. This parameter is required.
Valid values: Plug-ins listed in the following table or boosters of other implemented plugin.jar.
Supported version: OMS V4.0.1 and later.

References

Category	Documentation link
StoreSource	StoreSource
DataFlowSource	DataFlowSource
LogProxySource	LogProxySource
KafkaSource	KafkaSource (TiDB)

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[Startup] boosterClass

References