DanielLeens commented on issue #12382:
URL: https://github.com/apache/seatunnel/issues/12382#issuecomment-5892209120

   Classification: A / Connector-V2 PostgreSQL CDC restore-delivery integrity.
   
   Thank you for the disciplined comparison. Thirty runs on each recorded 
revision, with the real Zeta savepoint -> restore -> post-reattachment insert 
and no lost `id=15` result in either 29-run reached sample, materially weakens 
the current loss hypothesis. The result is not a confirmation that the original 
report is fixed: the observed zero-event upper bound is still 9.8% per 
revision, the original scheduled failure remains unexplained, and the agent 
instrumentation can change timing.
   
   Please keep this as an investigation, not a production-fix path. The next 
useful evidence is an uninstrumented control on the same two revisions, then a 
separately recorded controlled-load matrix if it is needed. For every run, 
retain the reached/not-reached count and keep the pre-restore 
slot/committed-LSN setup timeout distinct from the delivery assertion. Only if 
the row loss becomes reproducible should test-only correlation trace the WAL 
handoff, reader emission/checkpoint advancement, and JDBC-sink receipt. No 
production tracing or fix PR is justified yet.
   
   No label or assignment change in this pass.


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