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https://issues.apache.org/jira/browse/KAFKA-3202?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15191286#comment-15191286
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Jiangjie Qin commented on KAFKA-3202:
-------------------------------------
[~ijuma] Apologies that I somehow missed your poke...
[~enothereska] I was thinking about the following test sequence:
1. Have both 0.9 and 0.10 producer and consumer produce to and consume from two
different topics.
2. initially the both topics are using message format 0.9.0
3. change the message format version for both topic to 0.10.0 on the fly.
4. change the message format version for both topic back to 0.9.0 on the fly.
The producers and consumers should not have any issue.
> 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.
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