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From "Aljoscha Krettek (JIRA)" <j...@apache.org>
Subject [jira] [Created] (FLINK-7931) FlinkKinesisProducer violates at-least-once guarantees (1.3 branch)
Date Thu, 26 Oct 2017 10:37:00 GMT
Aljoscha Krettek created FLINK-7931:
---------------------------------------

             Summary: FlinkKinesisProducer violates at-least-once guarantees (1.3 branch)
                 Key: FLINK-7931
                 URL: https://issues.apache.org/jira/browse/FLINK-7931
             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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