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https://issues.apache.org/jira/browse/KAFKA-2003?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14351184#comment-14351184
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Guozhang Wang commented on KAFKA-2003:
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Are these three tickets concerning the same testing scenario? KAFKA-1888,
KAFKA-1898, KAFKA-2003.
> Add upgrade tests
> -----------------
>
> Key: KAFKA-2003
> URL: https://issues.apache.org/jira/browse/KAFKA-2003
> Project: Kafka
> Issue Type: Improvement
> Reporter: Gwen Shapira
> Assignee: Ashish K Singh
>
> To test protocol changes, compatibility and upgrade process, we need a good
> way to test different versions of the product together and to test end-to-end
> upgrade process.
> For example, for 0.8.2 to 0.8.3 test we want to check:
> * Can we start a cluster with a mix of 0.8.2 and 0.8.3 brokers?
> * Can a cluster of 0.8.3 brokers bump the protocol level one broker at a time?
> * Can 0.8.2 clients run against a cluster of 0.8.3 brokers?
> There are probably more questions. But an automated framework that can test
> those and report results will be a good start.
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