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https://issues.apache.org/jira/browse/KAFKA-3824?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15343864#comment-15343864
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kambiz shahri commented on KAFKA-3824:
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My gripe is 3 fold:
1. The report of the issue simply did not bother to reply
2. It is as clear as mud
3. We all should have a chance to understand who has done what to the Consumer
with regards to autocommit and how it potentially least once delivery; there
are production systems running out there, that might be adversely affected, by
a subtlety that someone is not bothered to document or even reply to a request
for a clarification.
Internal or external, there should be clarity on such an important class.
Also, farming out JavaDoc or Documentation to a Newbie, who then does her/his
due-diligence, and requests clarification, which means the reporter has to do
more work, and then just reassigns it, because he cannot be bothered to explain
changes he made, is a very poor reflection on Kafka.
So please, related or not, all changes to the Consumer should be made clear,
and explained so it can be documented.
Assigning it back to myself, to be fobbed off more, is not of interest.
> Docs indicate auto.commit breaks at least once delivery but that is incorrect
> -----------------------------------------------------------------------------
>
> Key: KAFKA-3824
> URL: https://issues.apache.org/jira/browse/KAFKA-3824
> Project: Kafka
> Issue Type: Improvement
> Components: consumer
> Affects Versions: 0.10.0.0
> Reporter: Jay Kreps
> Assignee: Jason Gustafson
> Labels: newbie
> Fix For: 0.10.1.0, 0.10.0.1
>
> Original Estimate: 24h
> Remaining Estimate: 24h
>
> The javadocs for the new consumer indicate that auto commit breaks at least
> once delivery. This is no longer correct as of 0.10.
> http://kafka.apache.org/0100/javadoc/index.html?org/apache/kafka/clients/consumer/KafkaConsumer.html
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