John Fung created KAFKA-573:
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Summary: System Test : Leader Failure Data Loss When
request-num-acks is 1
Key: KAFKA-573
URL: https://issues.apache.org/jira/browse/KAFKA-573
Project: Kafka
Issue Type: Bug
Reporter: John Fung
• Test Description:
1. Start a 3-broker cluster as source
2. Send messages to source cluster
3. Find leader and terminate it (kill -15)
4. Start the broker again
5. Start a consumer to consume data
6. Compare the MessageID in the data between producer log and consumer log.
• Issue: There will be data loss if request-num-acks is set to 1.
• 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"
5. This test will execute testcase_2 with the following settings:
Replica factor : 3
No. of partitions : 1
No. of bouncing : 1
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