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title Stop a Data Migration Task
summary Learn how to stop a data migration task.

Stop a Data Migration Task

You can use the stop-task command to stop a data migration task. For differences between stop-task and pause-task, refer to Pause a Data Migration Task.

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help stop-task
stop a specified task

Usage:
 dmctl stop-task [-s source ...] <task-name | task-file> [flags]

Flags:
 -h, --help   help for stop-task

Global Flags:
 -s, --source strings   MySQL Source ID

Usage example

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stop-task [-s "mysql-replica-01"]  task-name

Flags description

  • -s: (Optional) Specifies the MySQL source where the subtasks of the migration task (that you want to stop) run. If it is set, only subtasks on the specified MySQL source are stopped.
  • task-name | task-file: (Required) Specifies the task name or task file path.

Returned results

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stop-task test
{
    "op": "Stop",
    "result": true,
    "msg": "",
    "sources": [
        {
            "result": true,
            "msg": "",
            "source": "mysql-replica-01",
            "worker": "worker1"
        }
    ]
}

Note:

After you stop a migration task with the stop-task command, running query-status will no longer display the task. However, the checkpoint and other related information for this task is still retained in the dm_meta database.

  • To start over the migration task, add the --remove-meta option when running the start-task command.
  • To completely remove the migration task, manually delete the four tables that use the task name as a prefix from the dm_meta database.