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From "Dustin Cote (JIRA)" <j...@apache.org>
Subject [jira] [Reopened] (KAFKA-3129) Console producer issue when request-required-acks=0
Date Wed, 07 Sep 2016 17:24:20 GMT

     [ https://issues.apache.org/jira/browse/KAFKA-3129?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Dustin Cote reopened KAFKA-3129:
--------------------------------

Reopening per [~ijuma]'s recommendation as acks=0 in general still has a problem somewhere
along the way that isn't fully understood.

> 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: Dustin Cote
>         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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