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https://issues.apache.org/jira/browse/FLINK-31305?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Xintong Song updated FLINK-31305:
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Fix Version/s: 1.18.0
(was: 1.17.0)
> 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: 1.18.0
>
>
> 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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