mohsenify opened a new issue, #13547:
URL: https://github.com/apache/iceberg/issues/13547

   ### Apache Iceberg version
   
   1.9.1 (latest release)
   
   ### Query engine
   
   Kafka Connect
   
   ### Please describe the bug 🐞
   
   When the Apache Iceberg Sink Connector is configured with 
iceberg.tables.upsert-mode-enabled=true and an identifier field (e.g., id) is 
defined for an Iceberg table, records with the same id within the same commit 
interval do not respect the temporal order of the data. Specifically, if two 
records with the same id are processed in the same commit interval (e.g., 
controlled by iceberg.control.commit.interval.ms), the first record overwrites 
the second, regardless of any timestamp or event time associated with the 
records.
   
   ### Willingness to contribute
   
   - [ ] I can contribute a fix for this bug independently
   - [ ] I would be willing to contribute a fix for this bug with guidance from 
the Iceberg community
   - [x] I cannot contribute a fix for this bug at this time


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