DM 1.0.5 Release Notes

Release date: April 27, 2020

DM version: 1.0.5

DM-Ansible version: 1.0.5

Improvements

• Improve the incremental replication speed when the UNIQUE KEY column has the NULL value
• Add retry for the Write conflict (9007 and 8005) error returned by TiDB

Bug fixes

• Fix the issue that the Duplicate entry error might occur during the full data import
• Fix the issue that the migration task cannot be stopped or paused when the full data import is completed and the upstream has no written data
• Fix the issue the monitoring metrics still display data after the migration task is stopped

Detailed bug fixes and changes

• Improve the incremental replication speed when the UNIQUE KEY column has the NULL value #588 #597
• Add retry for the Write conflict (9007 and 8005) error returned by TiDB #632
• Fix the issue that the Duplicate entry error might occur during the full data import #554
• Fix the issue that the migration task cannot be stopped or paused when the full data import is completed and the upstream has no written data #622
• Fix the issue the monitoring metrics still display data after the migration task is stopped #616
• Fix the issue that the Column count doesn't match value count error might be returned during the sharding DDL migration #624
• Fix the issue that some metrics such as data file size are incorrectly displayed when the paused task of full data import is resumed #570
• Add and fix multiple monitoring metrics #590 #594