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Monitor a Migration Job

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You can monitor a migration job from the History pane on the Data Migration tab. The History pane contains information about in progress, completed, and failed migration jobs.

Migration jobs execute in a number of distinct stages, which are visible on the Job overview pane.

For example:

  • A snapshot migration job includes a snapshot stage and, optionally, a verification stage.

  • A continuous migration job includes a snapshot stage, followed by a CDC stage.

High-level migration job information displays in the top section of the Job overview pane.

Metric
Description

Source URI

The JDBC connection string used to connect to the source relational database.

Destination URI

The MongoDB connection string used to connect to the destination MongoDB database.

Job Mode

Indicates if the migration job is snapshot or continuous.

Status

Indicates the current or end status of the migration job.

Snapshot stage information displays in the Snapshot stage section of the Job overview pane.

Metric
Description

Snapshot stage status

Indicates the status of the snapshot stage.

Started

Date and time that the snapshot stage started.

Duration

Time taken for the snapshot stage to complete.

Tables migrated

Total number of tables migrated from the source database.

Rows migrated

Total number of rows migrated from all tables.

Estimated time remaining

An estimation of the migration job completion time.

The CDC stage information is displayed in the CDC stage section of the Job overview pane. The CDC stage begins after the initial snapshot stage has completed and remains in the RUNNING status until it is explicitly completed, or the migration job encounters an unrecoverable error.

Metric
Description

CDC stage status

Indicates the status of the CDC stage. When a CDC stage is actively replicating data changes, this status is RUNNING.

Started

Date and time that Relational Migrator started listening for data change events.

Last event time

Latest date and time that Relational Migrator detected a data change event.

Total events seen

Number of data change events Relational Migrator has detected since the CDC stage started.

Events in the last hour

Number of data change events Relational Migrator has detected in the last hour.

If your migration job has errors during execution, you can find the details in the Issues pane on the Data Migration screen.

Metric
Description

Date & Time

The date and time that the issue occurred.

Table / Collection

The table or collection that caused the error. This is blank if the error is global.

Count

Total number of errors encountered.

Error detail

Detailed error message from the target deployment.

1

Click on a previous migration job in the History pane to load the Overview and Issue information.

Snapshot stage and CDC stage logging information display next to each respective section of the Job overview pane.

2
  1. Click the > icon under the Issues section to view migration job errors.

  2. Review the debugging information in the Error detail column.

3

If your migration job uses Apache Kafka or Confluent Cloud support, any Kafka configuration or connections errors are visible at the migration job level:

Confluent connection error
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