changefeed lag reached more than 10mins after inject network partition between one of ticdc and one of tikv

[Lily2025]

What did you do?

1、run workload
storage:"s3://benchmark/sysbench_64_7000w"
subType:"oltp_read_write"
db:"sysbench_64_7000w"
tableNum:64
tableSize:70000000
threads:32
ignoreErrors:"2013,1213,1105,1205,8022,8028,9004,9007,1062"
2、inject network partition between one of ticdc and one of tikv last for 10mins

What did you expect to see?

No response

What did you see instead?

changefeed lag reached more than 10mins after inject network partition between one of ticdc and one of tikv

Versions of the cluster

ticdc git hash：0c2904081451619ac1f65d3039583c2f336b736b

[Lily2025]

/remove-area dm
/area ticdc

[Lily2025]

same with #8677