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https://issues.apache.org/jira/browse/KAFKA-3202?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15189692#comment-15189692
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Eno Thereska commented on KAFKA-3202:
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[~becket_qin]: I've updated the JIRA description after consulting with
[~apovzner]. Does this description look good to you? Thanks.
> Add system test for KIP-31 and KIP-32 - Change message format version on the
> fly
> --------------------------------------------------------------------------------
>
> Key: KAFKA-3202
> URL: https://issues.apache.org/jira/browse/KAFKA-3202
> Project: Kafka
> Issue Type: Sub-task
> Components: system tests
> Reporter: Jiangjie Qin
> Assignee: Eno Thereska
> Priority: Blocker
> Fix For: 0.10.0.0
>
>
> The system test should cover the case that message format changes are made
> when clients are producing/consuming. The message format change should not
> cause client side issue.
> We already cover 0.10 brokers with old producers/consumers in upgrade tests.
> So, the main thing to test is a mix of 0.9 and 0.10 producers and consumers.
> E.g., test1: 0.9 producer/0.10 consumer and then test2: 0.10 producer/0.9
> consumer. And then, each of them: compression/no compression (like in upgrade
> test). And we could probably add another dimension : topic configured with
> CreateTime (default) and LogAppendTime. So, total 2x2x2 combinations (but
> maybe can reduce that — eg. do LogAppendTime with compression only).
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