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From "Tzu-Li (Gordon) Tai (JIRA)" <j...@apache.org>
Subject [jira] [Created] (FLINK-7637) FlinkKinesisProducer violates at-least-once guarantees
Date Mon, 18 Sep 2017 09:17:00 GMT
Tzu-Li (Gordon) Tai created FLINK-7637:

             Summary: FlinkKinesisProducer violates at-least-once guarantees
                 Key: FLINK-7637
                 URL: https://issues.apache.org/jira/browse/FLINK-7637
             Project: Flink
          Issue Type: Bug
          Components: Kinesis Connector
            Reporter: Tzu-Li (Gordon) Tai
            Assignee: Tzu-Li (Gordon) Tai
            Priority: Blocker
             Fix For: 1.4.0, 1.3.3

Currently, there is no flushing of KPL outstanding records on checkpoints in the {{FlinkKinesisProducer}}.
Likewise to the at-least-once issue on the Flink Kafka producer before, this may lead to data
loss if there are asynchronous failing records after a checkpoint which the records was part
of was completed.

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