RE: long-standing data loss bug in initial sync of logical replication

Dear Amit,

> IIUC, workloads C and D will have regression in back branches, and
> HEAD will have regression only for workload D. We have avoided
> workload C regression in HEAD via commits 7c99dc587a and 3abe9dc188.

Right.

> We can backpatch those commits if required, but I think it is better
> not to do those as scenarios C and D won't be that common, and we
> should go ahead with the fix as it is. In the future, if we get any
> way to avoid regression due to scenario-D, then we can do that for the
> HEAD branch.

OK, let me share patched for back branches. Mostly the same fix patched as master
can be used for PG14-PG17, like attached. Regarding the PG13, it cannot be applied
as-is thus some adjustments are needed. I will share it in upcoming posts.

Best regards,
Hayato Kuroda
FUJITSU LIMITED