[collector.go:203] ["backup failed summary"] [task=dm-rds_master] [unit=dump]

🪐 TiDB 技术问题 备份&数据迁移
2

恢复dump一段时间后又出现异常退出，并且paused duration明显感觉不对

[2022/05/26 15:52:13.076 +08:00] [INFO] [collector.go:203] [“backup failed summary”] [task=dm-rds_master] [unit=dump] [total-ranges=0] [ranges-succeed=0] [ranges-failed=0]
[2022/05/26 15:52:13.095 +08:00] [INFO] [writer.go:77] [“context has been done, the writer will exit”] [task=dm-rds_master] [unit=dump] [“writer ID”=0]
[2022/05/26 15:52:13.102 +08:00] [ERROR] [dumpling.go:152] [“dump data exits with error”] [task=dm-rds_master] [unit=dump] [“cost time”=1h24m16.249526321s] [error=“ErrCode:32001 ErrClass:"dump-unit" ErrScope:"internal" ErrLevel:"high" Message:"mydumper/dumpling runs with error, with output (may empty): " RawCause:"sql: SHOW COLUMNS FROM marketing_center.mc_activity_record_32: driver: bad connection" “]
[2022/05/26 15:52:13.103 +08:00] [INFO] [subtask.go:310] [“unit process returned”] [subtask=dm-rds_master] [unit=Dump] [stage=Paused] [status=”{"totalTables":168,"completedTables":99,"finishedBytes":1121792198364,"finishedRows":2322327027,"estimateTotalRows":2801300683}”]
[2022/05/26 15:52:13.103 +08:00] [ERROR] [subtask.go:331] [“unit process error”] [subtask=dm-rds_master] [unit=Dump] [“error information”="ErrCode:32001 ErrClass:"dump-unit" ErrScope:"internal" ErrLevel:"high" Message:"mydumper/dumpling runs with error, with output (may empty): " RawCause:"sql: SHOW COLUMNS FROM marketing_center.mc_activity_record_32: driver: bad connection" "]
[2022/05/26 15:52:13.103 +08:00] [INFO] [subtask.go:333] [paused] [subtask=dm-rds_master] [unit=Dump]
[2022/05/26 15:52:15.715 +08:00] [WARN] [task_checker.go:383] [“task can’t auto resume”] [component=“task checker”] [task=dm-rds_master] [“paused duration”=3h55m20.000207423s]
[2022/05/26 15:52:20.710 +08:00] [WARN] [task_checker.go:383] [“task can’t auto resume”] [component=“task checker”] [task=dm-rds_master] [“paused duration”=3h55m24.994350679s]
[2022/05/26 15:52:25.709 +08:00] [WARN] [task_checker.go:383] [“task can’t auto resume”] [component=“task checker”] [task=dm-rds_master] [“paused duration”=3h55m29.994009346s]
[2022/05/26 15:52:30.710 +08:00] [WARN] [task_checker.go:383] [“task can’t auto resume”] [component=“task checker”] [task=dm-rds_master] [“paused duration”=3h55m34.994646301s]
[2022/05/26 15:52:35.709 +08:00] [WARN] [task_checker.go:383] [“task can’t auto resume”] [component=“task checker”] [task=dm-rds_master] [“paused duration”=3h55m39.994240072s]
[2022/05/26 15:52:40.710 +08:00] [WARN] [task_checker.go:383] [“task can’t auto resume”] [component=“task checker”] [task=dm-rds_master] [“paused duration”=3h55m44.994714045s]
[2022/05/26 15:52:45.710 +08:00] [WARN] [task_checker.go:383] [“task can’t auto resume”] [component=“task checker”] [task=dm-rds_master] [“paused duration”=3h55m49.994378108s]

并且无法stop-task

{
“op”: “Delete”,
“result”: false,
“msg”: “[code=38041:class=dm-master:scope=internal:level=medium], Message: invalid op 7 on task”,
“sources”: [
]
}