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https://issues.apache.org/jira/browse/KAFKA-10339?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17199443#comment-17199443
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Ning Zhang commented on KAFKA-10339:
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[~mimaison] When possible, very appreciated if KAFKA-10483 and KAFKA-10304
could be reviewed first, which are will make this task easier to test and
implement. If there may be other folks who are more appropriate to review,
please nominate and I will contact. Thanks
> MirrorMaker2 Exactly-once Semantics
> -----------------------------------
>
> Key: KAFKA-10339
> URL: https://issues.apache.org/jira/browse/KAFKA-10339
> Project: Kafka
> Issue Type: New Feature
> Components: KafkaConnect, mirrormaker
> Reporter: Ning Zhang
> Assignee: Ning Zhang
> Priority: Major
> Labels: needs-kip
>
> MirrorMaker2 is currently implemented on Kafka Connect Framework, more
> specifically the Source Connector / Task, which do not provide exactly-once
> semantics (EOS) out-of-the-box, as discussed in
> https://github.com/confluentinc/kafka-connect-jdbc/issues/461,
> https://github.com/apache/kafka/pull/5553,
> https://issues.apache.org/jira/browse/KAFKA-6080 and
> https://issues.apache.org/jira/browse/KAFKA-3821. Therefore MirrorMaker2
> currently does not provide EOS.
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