使用import into导入数据提示PreCheck failed: found CDC changefeed

🪐 TiDB 技术问题
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7

重新scale-out 了cdc ，list可以看到已有的changefeed的，是可以remove掉的。

[tidb@tidb01 ~]$  tiup cdc cli changefeed list --server=http://192.168.2.72:8300
Starting component cdc: /home/tidb/.tiup/components/cdc/v8.5.2/cdc cli changefeed list --server=http://192.168.2.72:8300
[
  {
    "id": "pingcap-01",
    "namespace": "default",
    "summary": {
      "state": "failed",
      "tso": 461985127723696129,
      "checkpoint": "2025-11-05 17:03:23.487",
      "error": {
        "time": "2025-11-10T09:18:50.045020616+08:00",
        "addr": "192.168.2.72:8300",
        "code": "CDC:ErrGCTTLExceeded",
        "message": "[CDC:ErrGCTTLExceeded]the checkpoint-ts(461985127723696129) lag of the changefeed(default/pingcap-01) has exceeded the GC TTL and the changefeed is blocking global GC progression"
      }
    }
  }
]
[tidb@tidb01 ~]$ 
[tidb@tidb01 ~]$ 
[tidb@tidb01 ~]$  tiup cdc cli changefeed remove  --server=http://192.168.2.72:8300 -c pingcap-01
Starting component cdc: /home/tidb/.tiup/components/cdc/v8.5.2/cdc cli changefeed remove --server=http://192.168.2.72:8300 -c pingcap-01
Changefeed remove successfully.
ID: pingcap-01
CheckpointTs: 461985127723696129
SinkURI: mysql://rep_drainer:xxxxx@192.168.2.82:4000/
[tidb@tidb01 ~]$
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