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https://issues.apache.org/jira/browse/KAFKA-3129?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15129021#comment-15129021
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Vahid Hashemian edited comment on KAFKA-3129 at 2/2/16 9:00 PM:
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Further evidence that this is a producer issue:
I ran the producer 6 times with the 10000 message file, and on the 6th try I
noticed the consumer came back with 9864 (instead of 10000).
Then I ran this command:
{{bin/kafka-run-class.sh kafka.tools.GetOffsetShell --broker-list
localhost:9092 --topic test --time -1}}
And it returned this:
{{test:0:59864}}
was (Author: vahid):
Further evidence that this is a producer issue:
I ran the producer 6 times with the 10000 message file, and on the 6th try I
noticed the consumer came back with 9864 (instead of 10000).
Then I ran this command:
{{bin/kafka-run-class.sh kafka.tools.GetOffsetShell --broker-list
localhost:9092 --topic test --time -1}}
And it returned this:
{{topic-p1-r1:0:59864}}
> Potential Console Producer/Consumer Issue
> -----------------------------------------
>
> Key: KAFKA-3129
> URL: https://issues.apache.org/jira/browse/KAFKA-3129
> Project: Kafka
> Issue Type: Bug
> Components: consumer, producer
> Affects Versions: 0.9.0.0
> Reporter: Vahid Hashemian
> Assignee: Neha Narkhede
> Attachments: kafka-3129.mov
>
>
> 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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