Robert Metzger created FLINK-3037:
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Summary: Make the behavior of the Kafka consumer configurable if
the offsets to restore from are not available
Key: FLINK-3037
URL: https://issues.apache.org/jira/browse/FLINK-3037
Project: Flink
Issue Type: Improvement
Components: Kafka Connector
Reporter: Robert Metzger
Currently, if the {{FlinkKafkaConsumer}} is restoring a checkpoint and the
offset is not available anymore in Kafka, its restoring according to
{{auto.offset.reset}}.
This leads to inconsistent behavior (not exactly-once anymore) because the
operators will not receive data in sync with the checkpoint.
With this pull request, I would like to make the behavior controllable, using a
flag.
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