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https://issues.apache.org/jira/browse/KAFKA-716?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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John Fung closed KAFKA-716.
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> SimpleConsumerPerformance does not consume all available messages
> -----------------------------------------------------------------
>
> Key: KAFKA-716
> URL: https://issues.apache.org/jira/browse/KAFKA-716
> Project: Kafka
> Issue Type: Bug
> Reporter: John Fung
> Priority: Blocker
> Labels: p2
>
> To reproduce the issue:
> 1. Start 1 zookeeper
> 2. Start 1 broker
> 3. Send some messages
> 4. Start SimpleConsumerPerformance to consume messages. The only way to
> consume all messages is to set the fetch-size to be greater than the log
> segment file size.
> 5. This output shows that SimpleConsumerPerformance consumes only 6 messages:
> $ bin/kafka-run-class.sh kafka.perf.SimpleConsumerPerformance --server
> kafka://host1:9092 --topic topic_001 --fetch-size 2048 --partition 0
> start.time, end.time, fetch.size, data.consumed.in.MB, MB.sec,
> data.consumed.in.nMsg, nMsg.sec
> 2013-01-21 15:09:21:124, 2013-01-21 15:09:21:165, 2048, 0.0059, 0.1429, 6,
> 146.3415
> 6. This output shows that ConsoleConsumer consumes all 5500 messages (same
> test as the above)
> $ bin/kafka-run-class.sh kafka.consumer.ConsoleConsumer --zookeeper
> host2:2181 --topic topic_001 --consumer-timeout-ms 5000 --formatter
> kafka.consumer.ChecksumMessageFormatter --from-beginning | grep ^checksum |
> wc -l
> Consumed 5500 messages
> 5500
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