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Posted to issues@flink.apache.org by "Tzu-Li (Gordon) Tai (Jira)" <ji...@apache.org> on 2023/04/12 17:06:00 UTC
[jira] [Closed] (FLINK-31305) KafkaWriter doesn't wait for errors for in-flight records before completing flush
[ https://issues.apache.org/jira/browse/FLINK-31305?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Tzu-Li (Gordon) Tai closed FLINK-31305.
---------------------------------------
Resolution: Fixed
Merged to flink-connector-kafka via:
* v3.0 - dd09fa9a3d05c7096c85cb14f2a792a66a915547
> 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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