[jira] [Closed] (KAFKA-573) System Test : Leader Failure Log Segment Checksum Mismatched When request-num-acks is 1

["Jun Rao (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/KAFKA-573?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Jun Rao closed KAFKA-573.
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> System Test : Leader Failure Log Segment Checksum Mismatched When request-num-acks is 1
> ---------------------------------------------------------------------------------------
>
>                 Key: KAFKA-573
>                 URL: https://issues.apache.org/jira/browse/KAFKA-573
>             Project: Kafka
>          Issue Type: Bug
>    Affects Versions: 0.8
>            Reporter: John Fung
>            Assignee: Jun Rao
>             Fix For: 0.8
>
>         Attachments: acks1_leader_failure_data_loss.tar.gz, kafka-573.patch, kafka-573-reproduce-issue.patch
>
>
> • 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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