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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

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