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

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

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