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https://issues.apache.org/jira/browse/FLINK-5702?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15855483#comment-15855483
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ASF GitHub Bot commented on FLINK-5702:
---------------------------------------
GitHub user tzulitai opened a pull request:
https://github.com/apache/flink/pull/3282
[FLINK-5702] [doc] At-least-once configuration info for FlinkKafkaProducer
Adds information about the `setLogFailureOnly` and `setFlushOnCheckpoint`
methods with regards to at-least-once guarantees of the producer, and warns
that at-least-once is compromised if configured inappropriately.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/tzulitai/flink FLINK-5702
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/flink/pull/3282.patch
To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:
This closes #3282
----
commit b90a5db99802d8d483ad064f21f8a3fbe42c4076
Author: Tzu-Li (Gordon) Tai <[email protected]>
Date: 2017-02-07T06:32:28Z
[FLINK-5702] [doc] At-least-once configuration info for FlinkKafkaProducer
----
> Kafka Producer docs should warn if using setLogFailuresOnly, at-least-once is
> compromised
> -----------------------------------------------------------------------------------------
>
> Key: FLINK-5702
> URL: https://issues.apache.org/jira/browse/FLINK-5702
> Project: Flink
> Issue Type: Improvement
> Components: Documentation, Kafka Connector
> Reporter: Tzu-Li (Gordon) Tai
>
> The documentation for FlinkKafkaProducer does not have any information about
> the {{setLogFailuresOnly}}. It should emphasize that if users choose to only
> log failures instead of failing the sink, at-least-once can not be guaranteed
> .
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