[jira] [Updated] (FLINK-31305) KafkaWriter doesn't wait for errors for in-flight records before completing flush

["Tzu-Li (Gordon) Tai (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/FLINK-31305?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Tzu-Li (Gordon) Tai updated FLINK-31305:
----------------------------------------
    Fix Version/s: kafka-3.0.0
                       (was: 1.18.0)

> KafkaWriter doesn't wait for errors for in-flight records before completing flush
> ---------------------------------------------------------------------------------
>
>                 Key: FLINK-31305
>                 URL: https://issues.apache.org/jira/browse/FLINK-31305
>             Project: Flink
>          Issue Type: Bug
>          Components: Connectors / Kafka
>    Affects Versions: 1.17.0, 1.16.1
>            Reporter: Mason Chen
>            Assignee: Mason Chen
>            Priority: Major
>              Labels: pull-request-available
>             Fix For: kafka-3.0.0
>
>
> The KafkaWriter flushing needs to wait for all in-flight records to send successfully. This can be achieved by tracking requests and returning a response from the registered callback from the producer#send() logic.
> There is potential for data loss since the checkpoint does not accurately reflect that all records have been sent successfully, to preserve at least once semantics.



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