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https://issues.apache.org/jira/browse/KAFKA-915?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13728247#comment-13728247
 ] 

Joel Koshy commented on KAFKA-915:
----------------------------------

+1 on the patch. I actually could not reproduce the other failures, so I'll 
check this in.

========================================================

_test_case_name  :  testcase_5001
_test_class_name  :  MirrorMakerTest
arg : bounce_leader  :  false
arg : bounce_mirror_maker  :  false
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  :
     Unique messages from consumer on [test_1]  :  500
     Unique messages from producer on [test_1]  :  500
     Validate for data matched on topic [test_1]  :  PASSED
     Validate for merged log segment checksum in cluster [source]  :  PASSED
     Validate for merged log segment checksum in cluster [target]  :  PASSED

========================================================

_test_case_name  :  testcase_5002
_test_class_name  :  MirrorMakerTest
validation_status  :

========================================================

_test_case_name  :  testcase_5003
_test_class_name  :  MirrorMakerTest
arg : bounce_leader  :  false
arg : bounce_mirror_maker  :  true
arg : bounced_entity_downtime_sec  :  30
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  :
     Unique messages from consumer on [test_1]  :  2200
     Unique messages from producer on [test_1]  :  2200
     Validate for data matched on topic [test_1]  :  PASSED
     Validate for merged log segment checksum in cluster [source]  :  PASSED
     Validate for merged log segment checksum in cluster [target]  :  PASSED

========================================================

_test_case_name  :  testcase_5004
_test_class_name  :  MirrorMakerTest
validation_status  :

========================================================

_test_case_name  :  testcase_5005
_test_class_name  :  MirrorMakerTest
arg : bounce_leader  :  false
arg : bounce_mirror_maker  :  true
arg : bounced_entity_downtime_sec  :  30
arg : message_producing_free_time_sec  :  15
arg : num_iteration  :  1
arg : num_messages_to_produce_per_producer_call  :  50
arg : num_partition  :  2
arg : replica_factor  :  3
arg : sleep_seconds_between_producer_calls  :  1
validation_status  :
     Unique messages from consumer on [test_1]  :  1400
     Unique messages from consumer on [test_2]  :  1400
     Unique messages from producer on [test_1]  :  1400
     Unique messages from producer on [test_2]  :  1400
     Validate for data matched on topic [test_1]  :  PASSED
     Validate for data matched on topic [test_2]  :  PASSED
     Validate for merged log segment checksum in cluster [source]  :  PASSED
     Validate for merged log segment checksum in cluster [target]  :  PASSED

========================================================

                
> System Test - Mirror Maker testcase_5001 failed
> -----------------------------------------------
>
>                 Key: KAFKA-915
>                 URL: https://issues.apache.org/jira/browse/KAFKA-915
>             Project: Kafka
>          Issue Type: Bug
>            Reporter: John Fung
>            Assignee: Joel Koshy
>            Priority: Critical
>              Labels: kafka-0.8, replication-testing
>         Attachments: kafka-915-v1.patch, testcase_5001_debug_logs.tar.gz
>
>
> This case passes if brokers are set to partition = 1, replicas = 1
> It fails if brokers are set to partition = 5, replicas = 3 (consistently 
> reproducible)
> This test case is set up as shown below.
> 1. Start 2 ZK as a cluster in Source
> 2. Start 2 ZK as a cluster in Target
> 3. Start 3 brokers as a cluster in Source (partition = 1, replicas = 1)
> 4. Start 3 brokers as a cluster in Target (partition = 1, replicas = 1)
> 5. Start 1 MM
> 6. Start ProducerPerformance to send some data
> 7. After Producer is done, start ConsoleConsumer to consume data
> 8. Stop all processes and validate if there is any data loss.
> 9. No failure is introduced to any process in this test
> Attached a tar file which contains the logs and system test output for both 
> cases.

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