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This topic has been translated from a Chinese forum by GPT and might contain errors.
Original topic: ticdc的同步任务删除后,prometheus里还是有这个任务存在,一直告警
[TiDB Usage Environment] Production Environment
[TiDB Version] 4.0.10
Synchronization tasks queried from the cluster
Tasks in monitoring, there are two
Webhook has been integrated, and this task keeps sending alerts. Is there any solution for this?
What specific alerts are being pushed, and what is the expression?
Have the alerts been deleted in Grafana? Try restarting Grafana after deleting them.
Do the alerts in Grafana need to be deleted separately?
The alert is for a task that has already been deleted and is delayed.
Logically, it shouldn’t be necessary. Once it’s deleted, it’s gone. I haven’t encountered this issue.
After restarting CDC, the alert has disappeared, but the changefeed still exists in the Grafana monitoring panel.
Changefeed should be operable within PD.
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