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https://issues.apache.org/jira/browse/KAFKA-3129?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15445771#comment-15445771
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ASF GitHub Bot commented on KAFKA-3129:
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GitHub user cotedm opened a pull request:
https://github.com/apache/kafka/pull/1795
KAFKA-3129: Console producer issue when request-required-acks=0
change console producer default acks to 1, update acks docs. Also added
the -1 config to the acks docs since that question comes up often. @ijuma and
@vahidhashemian, does this look reasonable to you?
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/cotedm/kafka KAFKA-3129
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/kafka/pull/1795.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 #1795
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commit bec755ffc4e4b779a6c6d45b144a7e3a87dc64d7
Author: Dustin Cote <dus...@confluent.io>
Date: 2016-08-29T12:44:37Z
change console producer default acks to 1, update acks docs
----
> Console producer issue when request-required-acks=0
> ---------------------------------------------------
>
> Key: KAFKA-3129
> URL: https://issues.apache.org/jira/browse/KAFKA-3129
> Project: Kafka
> Issue Type: Bug
> Components: producer
> Affects Versions: 0.9.0.0, 0.10.0.0
> Reporter: Vahid Hashemian
> Assignee: Neha Narkhede
> Attachments: kafka-3129.mov, server.log.abnormal.txt,
> server.log.normal.txt
>
>
> I have been running a simple test case in which I have a text file
> {{messages.txt}} with 1,000,000 lines (lines contain numbers from 1 to
> 1,000,000 in ascending order). I run the console consumer like this:
> {{$ bin/kafka-console-consumer.sh --zookeeper localhost:2181 --topic test}}
> Topic {{test}} is on 1 partition with a replication factor of 1.
> Then I run the console producer like this:
> {{$ bin/kafka-console-producer.sh --broker-list localhost:9092 --topic test <
> messages.txt}}
> Then the console starts receiving the messages. And about half the times it
> goes all the way to 1,000,000. But, in other cases, it stops short, usually
> at 999,735.
> I tried running another console consumer on another machine and both
> consumers behave the same way. I can't see anything related to this in the
> logs.
> I also ran the same experiment with a similar file of 10,000 lines, and am
> getting a similar behavior. When the consumer does not receive all the 10,000
> messages it usually stops at 9,864.
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