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https://issues.apache.org/jira/browse/FLINK-2794?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Kostas Tzoumas reassigned FLINK-2794:
-------------------------------------
Assignee: Kostas Tzoumas
> Document exactly-once support for sources and sinks
> ---------------------------------------------------
>
> Key: FLINK-2794
> URL: https://issues.apache.org/jira/browse/FLINK-2794
> Project: Flink
> Issue Type: Bug
> Components: Documentation, Streaming
> Affects Versions: 0.10
> Reporter: Maximilian Michels
> Assignee: Kostas Tzoumas
> Fix For: 0.10
>
>
> The fault-tolerance attributes of the streaming sources and sinks should be
> clearly documented. For example, it should be made clear what the difference
> between the normal and the PersistentKafkaSource is and what the implications
> of using the RollingFileSink in fault-tolerance mode are (It requires Hadoop
> 2.7.X for full fault-tolerance support).
> It should be made clear to the users that not all sources/sinks support the
> exactly-once guarantees. We could point out that this is not necessarily
> Flink's fault and that some of the applications have to implement proper
> exactly-once support with the outside world themselves.
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