DM 1.0.2 Release Notes

Release date: October 30, 2019

DM version: 1.0.2

DM-Ansible version: 1.0.2

Improvements

Fix some panic when starting up or executing SQL statements
Fix abnormal sharding DDL migration on DDL execution timeout
Fix starting task failure caused by the checking timeout or any inaccessible DM-worker
Fix SQL execution retry for some error

Generate random server-id for DM-worker config automatically #337
Generate flavor for DM-worker config automatically #328
Generate relay-binlog-name and relay-binlog-gtid for DM-worker config automatically #318
Generate the name list of tables to be dumped in task config from black & white table lists automatically #326
Add concurrency items (mydumper-thread, loader-thread and syncer-thread) for task config #314
Simplify the output of query-status without arguments #340
Fix abnormal sharding DDL migration on DDL execution timeout #338
Fix potential DM-worker panic when restoring subtask from local meta #311
Fix DM-worker panic when committing a DML transaction failed #313
Fix DM-worker or DM-master panic when the listening port is being used #301
Fix retry for error code 1105 #321, #332
Fix retry for Duplicate entry and Data too long for column #313
Fix task check timeout when having large amounts of tables in upstream #327
Fix starting task failure when any DM-worker is not accessible #319
Fix potential DM-worker startup failure in GTID mode after being recovered from corrupt relay log #339
Fix in-memory TPS count for sync unit #294
Manage DB connections directly for downstream #325
Improve the error system by refining error information passed between components #320