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Posted to issues@iceberg.apache.org by "jwesteen (via GitHub)" <gi...@apache.org> on 2025/10/30 23:42:00 UTC

Re: [I] Duplicate records with MERGE command [iceberg]

jwesteen commented on issue #7005:
URL: https://github.com/apache/iceberg/issues/7005#issuecomment-3470722614

   did anyone ever get to the root cause here? I've observed this on EMR 7.5.0 with Iceberg 1.8.1, dual writes writing the same data to the same table off two Kafka topics, and the MERGE clause only includes `"WHEN NOT MATCHED THEN INSERT *"`


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