Updated on 2023-04-26 GMT+08:00

Modifying the Flow Control Mode

You can choose whether to control the flow. DRS allows you to change the flow control mode after a task is created. Currently, only the real-time synchronization scenarios listed in Real-time Synchronization Scenarios That Support Flow Control support this function.

  • The flow control mode takes effect only in the full synchronization phase.
  • After the traffic rate is modified in the incremental migration phase, the modification takes effect when the task enters the full migration phase again. For example, if the traffic rate is modified and a synchronization object is added to the task, the modification takes effect in the full synchronization phase of the task.

Prerequisites

  • You have logged in to the DRS console.
  • A synchronization task has been created.

Method 1

  1. In the Flow Control Information area on the Basic Information tab, click Modify next to the Flow Control field.
  2. In the displayed dialog box, modify the settings.

    Figure 1 Modifying the Flow Control Mode

Method 2

  1. In the task list on the Data Migration Management page, locate the target task and choose More > Speed or Speed in the Operation column.

    Figure 2 Task List

  2. In the displayed dialog box, modify the settings.

    Figure 3 Modifying the Flow Control Mode

Real-time Synchronization Scenarios That Support Flow Control

To the cloud
  • MySQL->MySQL
  • MySQL->GaussDB(for MySQL)
  • MySQL -> GaussDB primary/standby
  • MySQL->PostgreSQL
  • MySQL->GaussDB(DWS)
  • Oracle->MySQL
  • Oracle->GaussDB(for MySQL)
  • Oracle -> GaussDB(for MySQL) distributed
  • Oracle -> GaussDB primary/standby
  • Oracle -> GaussDB distributed
  • Oracle->GaussDB(DWS)
  • Oracle->DDM
  • Oracle->PostgreSQL
  • PostgreSQL->PostgreSQL
  • TiDB->GaussDB(for MySQL)
  • Microsoft SQL Server->GaussDB(DWS)
  • Microsoft SQL Server -> GaussDB primary/standby
  • Microsoft SQL Server -> GaussDB distributed
  • Microsoft SQL Server->Microsoft SQL Server
  • MongoDB->DDS
From the cloud
  • MySQL->MySQL
  • MySQL->CSS/ES
  • MySQL->Oracle
  • MySQL->Kafka
  • GaussDB(for MySQL)->Oracle
  • GaussDB(for MySQL)->Kafka
  • GaussDB primary/standby -> MySQL
  • GaussDB primary/standby -> Oracle
  • GaussDB primary/standby -> GaussDB(DWS)
  • GaussDB primary/standby -> GaussDB distributed
  • GaussDB primary/standby -> GaussDB primary/standby
  • GaussDB distributed -> Oracle
  • GaussDB distributed -> GaussDB(DWS)
  • GaussDB distributed -> GaussDB distributed
  • GaussDB distributed->GaussDB primary/standby
Self-built -> Self-built
  • MySQL->CSS/ES
  • MySQL->Kafka
  • Oracle->Kafka
  • Oracle -> GaussDB primary/standby
  • Oracle -> GaussDB distributed