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https://issues.apache.org/jira/browse/FLINK-24152?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17452768#comment-17452768
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ZhuoYu Chen commented on FLINK-24152:
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Hi [~mapohl] I am very interested in this，and I want do some job for flink，can
I help to do that？
Thank you
> Exactly-once semantics should be configurable through Flink configuration only
> ------------------------------------------------------------------------------
>
> Key: FLINK-24152
> URL: https://issues.apache.org/jira/browse/FLINK-24152
> Project: Flink
> Issue Type: Improvement
> Components: API / Core, Connectors / Common
> Reporter: Matthias
> Priority: Major
>
> Exactly-once constraint needs to be configured in multiple locations:
> 1. Flink configuration
> 2. Kafka connector configuration
> As a user, I would expect to set this configuration parameter in Flink. The
> Kafka connector should be able to derive this configuration parameter from
> the Flink configuration by default. Setting it on the connector level could
> be considered as an advanced configuration parameter which would overwrite
> the default configuration.
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