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Important
You are viewing the documentation for an older major version of the TiDB Data Migration tool (TiDB Data Migration v1.0).
TiDB Data Migration , the latest major version of TiDB Data Migration, is now stable and recommended for general use. To view this page for TiDB Data Migration , click here.
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 theNULL
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 theNULL
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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