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https://issues.apache.org/jira/browse/FLINK-3332?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15148455#comment-15148455
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ASF GitHub Bot commented on FLINK-3332:
---------------------------------------
Github user tillrohrmann commented on a diff in the pull request:
https://github.com/apache/flink/pull/1640#discussion_r52995595
--- Diff: docs/apis/streaming/fault_tolerance.md ---
@@ -176,6 +176,11 @@ state updates) of Flink coupled with bundled sinks:
<td></td>
</tr>
<tr>
+ <td>Cassandra sink</td>
+ <td>exactly once</td>
--- End diff --
I mean an at most once system will give you also exactly once processing
guarantees under the assumption that nothing fails.
> 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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