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https://issues.apache.org/jira/browse/FLINK-3332?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15143053#comment-15143053
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ASF GitHub Bot commented on FLINK-3332:
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Github user tillrohrmann commented on the pull request:
https://github.com/apache/flink/pull/1620#issuecomment-182959361
Good work @zentol. I had some inline comments.
My main concern is that upon recovery you'll write all elements of the
previously written checkpoint again to the external store.
> Provide an exactly-once Cassandra connector
> -------------------------------------------
>
> Key: FLINK-3332
> URL: https://issues.apache.org/jira/browse/FLINK-3332
> Project: Flink
> Issue Type: Improvement
> Components: Streaming Connectors
> Reporter: Robert Metzger
> Assignee: Chesnay Schepler
>
> With FLINK-3311, we are adding a Cassandra connector to Flink.
> It would be good to also provide an "exactly-once" C* connector.
> I would like to first discuss how we are going to implement this in Flink.
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