ticdc lag is more than 4m after inject one tikv network partition to all

[Lily2025]

What did you do?

1、run tpcc with threads 10 and warehouse 1000
2、After 10 minutes, simulates one of tikv is network isolated from other all pods
fault start time：2023-04-18 10:44:27
3、After 10 minutes, recovery the fault
fault recover time：2023-04-18 10:54:27

What did you expect to see?

changefeed lag is less than 30s

What did you see instead?

ticdc lag is more than 4m after inject fault

Versions of the cluster

git hash：5252420517ce5497ed053aa6322fdb2a33f898e1

[Lily2025]

/remove-area dm
/area ticdc
/assign overvenus

[nongfushanquan]

/unassign @overvenus
/assign @hicqu

[fubinzh]

/severity major

[nongfushanquan]

By the design
/close

[ti-chi-bot]

@nongfushanquan: Closing this issue.

In response to this:

By the design
/close

Instructions for interacting with me using PR comments are available here. If you have questions or suggestions related to my behavior, please file an issue against the kubernetes/test-infra repository.

[zhangjinpeng87]

@nongfushanquan what is the root cause?

[zhangjinpeng87]

Does this issue can be fixed by #8858 ?

[nongfushanquan]

duplicated with #9741, fixed by the #9771

[nongfushanquan]

/close

[ti-chi-bot]

@nongfushanquan: Closing this issue.

In response to this:

/close

Instructions for interacting with me using PR comments are available here. If you have questions or suggestions related to my behavior, please file an issue against the kubernetes/test-infra repository.