changefeed resolved ts can not go on after inject network partition between one of ticdc processor and pd leader last for 10mins

[Lily2025]

What did you do?

1、create changefeed 2、run sysbench read_write 3、inject network partition between one of ticdc processor and pd leader last for 10mins

What did you expect to see?

after clean chaos，changefeed resolved ts can go on

What did you see instead?

changefeed resolved ts can not go on after inject network partition between one of ticdc processor and pd leader last for 10mins

Versions of the cluster

./cdc version Release Version: v6.5.7 Git Commit Hash: e9d1010cac9482775062b507c07176aa35e2a67d Git Branch: heads/refs/tags/v6.5.7 UTC Build Time: 2023-12-28 14:08:52 Go Version: go version go1.19.13 linux/amd64 Failpoint Build: false

[Lily2025]

/assign lidezhu

[lidezhu]

It seems the error is caused by failed to load pd regions for a given span

[fubinzh]

/severity major

[lidezhu]

/severity moderate

[lidezhu]

/severity-remove major

[asddongmen]

Fixed by https://github.com/pingcap/tiflow/commit/3bfba30cf45f9f686610f6868bf61ce1bc09bd2b