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Daily Check
Learn about the daily check of TiDB Data Migration (DM).
/docs/tidb-data-migration/dev/daily-check/

Daily Check

This document summarizes how to perform a daily check on TiDB Data Migration (DM).

  • Method 1: Execute the query-status command to check the running status of the task and the error output (if any). For details, see Query Status.

  • Method 2: If Prometheus and Grafana are correctly deployed when you deploy the DM cluster using TiUP, you can view DM monitoring metrics in Grafana. For example, suppose that the Grafana's address is 172.16.10.71, go to http://172.16.10.71:3000, enter the Grafana dashboard, and select the DM Dashboard to check monitoring metrics of DM. For more information of these metrics, see DM Monitoring Metrics.

  • Method 3: Check the running status of DM and the error (if any) using the log file.

    • DM-master log directory: It is specified by the --log-file DM-master process parameter. If DM is deployed using TiUP, the log directory is {log_dir} in the DM-master node.
    • DM-worker log directory: It is specified by the --log-file DM-worker process parameter. If DM is deployed using TiUP, the log directory is {log_dir} in the DM-worker node.