View task logs-Data Transmission Service(DTS)-阿里云帮助中心

Task logs let you view the task timeline and running logs. The task timeline shows the status of a task at key milestones, such as purchase, configuration, execution, failure, and completion. You can filter running logs by time range or task status to quickly find specific information.

Procedure

Log on to the DTS console.

Note
If you are redirected to the Data Management (DMS) console, click the icon in the lower-right corner, and then click to return to the previous version of the DTS console.
Based on your instance type, in the left-side navigation pane, click Data Synchronization.
At the top of the page, select the region where your instance is located.
Find the target instance and click its instance ID.
In the left-side navigation pane, click View Task Logs. The Operational Logs tab is selected by default.
From the Full Data Migration drop-down list, select Incremental Data Migration. The following figure shows the log content for incremental data migration.

The following table describes the parameters displayed in the Log Content column.

Parameter	Description
generator	The total amount of received incremental data.
collector	The total amount of valid data. This includes heartbeat data and the number of DML and DDL records for synchronized objects.
replicator	The number of synchronized transactions (DML and DDL).
ping	Network latency, displayed as Minimum/Average/Maximum. A value of -1 indicates a network connection issue; the destination database is unreachable.
execute	Transaction execution time: The time taken to assemble a transaction into an SQL statement, send it to the destination database for execution, and receive the result. Displayed as Minimum/Average/Maximum.
rt	Transaction commit time: The total time for transaction execution and commit. Displayed as Minimum/Average/Maximum.
state	The current status of the synchronization thread. IDLE: The thread is idle. DML: Synchronizing DML operations. DDL: Synchronizing DDL operations.
queries	The number of large queries in the destination database. A large query is an SQL query that takes more than 60 seconds to execute.
exceptions	The current number of exceptions. connects: The number of failed connection attempts. replicates: The number of times the synchronization thread failed to write to the destination database.
infos	The DDL operation or table that is currently being synchronized.

Click the Task Timeline tab to view the task's key events.