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DM v1.0.5
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@csuzhangxc csuzhangxc released this 27 Apr 06:54
· 58 commits to release-1.0 since this release
v1.0.5
a8e9f53
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Learn about vigilant mode.

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 replication 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 replication task is stopped

Action required

  • When upgrading from a previous version, note that you must upgrade all DM components (dmctl/DM-master/DM-worker) together

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 replication 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 replication task is stopped #616
  • Fix the issue that the Column count doesn't match value count error might be returned during the sharding DDL replication #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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