DM 1.0.4 Release Notes

Release date: March 13, 2020

DM version: 1.0.4

DM-Ansible version: 1.0.4

Improvements

• Add English UI for DM-portal
• Add the --more parameter in the query-status command to show complete migration status information

Bug fixes

• Fix the issue that resume-task might fail to resume the migration task which is interrupted by the abnormal connection to the downstream TiDB server
• Fix the issue that the online DDL operation cannot be properly migrated after a failed migration task is restarted because the online DDL meta information has been cleared after the DDL operation failure
• Fix the issue that query-error might cause the DM-worker to panic after start-task goes into error
• Fix the issue that the relay log file and relay.meta cannot be correctly recovered when restarting an abnormally stopped DM-worker process before relay.meta is successfully written

Detailed bug fixes and changes

• Add English UI for DM-portal #480
• Add the --more parameter in the query-status command to show complete migration status information #533
• Fix the issue that resume-task might fail to resume the migration task which is interrupted by the abnormal connection to the downstream TiDB server #436
• Fix the issue that the online DDL operation cannot be properly migrated after a failed migration task is restarted because the online DDL meta information is cleared after the DDL operation failure #465
• Fix the issue that query-error might cause the DM-worker to panic after start-task goes into error #519
• Fix the issue that the relay log file and relay.meta cannot be correctly recovered when restarting an abnormally stopped DM-worker process before relay.meta is successfully written #534
• Fix the issue that the value out of range error might be reported when getting server-id from the upstream #538
• Fix the issue that when Prometheus is not configured DM-Ansible prints the wrong error message that DM-master is not configured #438