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https://issues.apache.org/jira/browse/KAFKA-567?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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John Fung updated KAFKA-567:
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Attachment: kafka-mirror-maker-bouncing-data-loss.patch
> Replication Data Loss in Mirror Maker Bouncing testcase
> -------------------------------------------------------
>
> Key: KAFKA-567
> URL: https://issues.apache.org/jira/browse/KAFKA-567
> Project: Kafka
> Issue Type: Bug
> Reporter: John Fung
> Attachments: kafka-mirror-maker-bouncing-data-loss.patch
>
>
> * To reproduce this issue, please do the followings:
> 1. Download the latest 0.8 branch
> 2. Apply the patch attached to this JIRA
> 3. Build kafka by running "./sbt update package"
> 4. Execute the test in directory "system_test" : "python -B
> system_test_runner.py"
> * The test result may look like the following:
> _test_case_name : testcase_5002
> _test_class_name : MirrorMakerTest
> arg : bounce_leader : false
> arg : bounce_mirror_maker : true
> arg : message_producing_free_time_sec : 15
> arg : num_iteration : 1
> arg : num_messages_to_produce_per_producer_call : 50
> arg : num_partition : 1
> arg : replica_factor : 3
> arg : sleep_seconds_between_producer_calls : 1
> validation_status :
> Log segment checksum matching across all replicas : FAILED
> Unique messages from consumer on [test_1] : 355
> Unique messages from producer on [test_1] : 400
> Validate for data matched on topic [test_1] : FAILED
> * Attached a tar file for the system test output log, the brokers' log4j
> files and data log segment files.
> * There are no unusual Exception / Error found in the logs. However, there
> are consistently data loss in this Mirror Maker bouncing test case. Not sure
> if this is related to KAFKA-552.
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